Safety Assessment of Ammonia and Ammonium Hydroxide As Used in Cosmetics

Total Page:16

File Type:pdf, Size:1020Kb

Safety Assessment of Ammonia and Ammonium Hydroxide As Used in Cosmetics Safety Assessment of Ammonia and Ammonium Hydroxide as Used in Cosmetics Status: Draft Report for Panel Review Release Date: August 18, 2017 Panel Date: September 11-12, 2017 The 2017 Cosmetic Ingredient Review Expert Panel members are: Chair, Wilma F. Bergfeld, M.D., F.A.C.P.; Donald V. Belsito, M.D.; Ronald A. Hill, Ph.D.; Curtis D. Klaassen, Ph.D.; Daniel C. Liebler, Ph.D.; James G. Marks, Jr., M.D.; Ronald C. Shank, Ph.D.; Thomas J. Slaga, Ph.D.; and Paul W. Snyder, D.V.M., Ph.D. The CIR Interim Director is Bart Heldreth, Ph.D. This report was prepared by Wilbur Johnson, Jr., M.S., Senior Scientific Analyst and Ivan Boyer, Ph.D., Toxicologist. © Cosmetic Ingredient Review 1620 L STREET, NW, SUITE 1200 ◊ WASHINGTON, DC 20036-4702 ◊ PH 202.331.0651 ◊ FAX 202.331.0088 ◊ [email protected] Commitment & Credibility since 1976 Memorandum To: CIR Expert Panel Members and Liaisons From: Wilbur Johnson, Jr. Senior Scientific Analyst Date: August 18, 2017 Subject: Draft Report on Ammonia and Ammonium Hydroxide A Scientific Literature Review (SLR) on Ammonia and Ammonium Hydroxide was issued on July 7, 2017. The attached use concentration data that are (ammoni092017data1 and ammoni092017data2) included in this report were received from the Council prior to issuance of the SLR. Also included in this package for your review are the Draft Report (ammoni092017rep), the CIR report history (ammoni092017hist), Flow chart (ammoni092017flow.docx), Literature search strategy (ammoni092017strat.docx), Ingredient data profile (ammoni092017prof), 2017 FDA VCRP data (ammoni092017FDA), the CIR final report on Phosphoric Acid and Its Salts (ammoni092017prev), and Comments that were received from the Council (ammoni092017pcpc), which have been addressed. In addition to the safety test data on Ammonia and Ammonium Hydroxide that are included in the Draft Report, the following data (from the European Chemicals Agency (ECHA) registration dossier on Ammonia) on surrogate chemicals are included: data on “ammonium ion” (reproductive and developmental toxicity, genotoxicity, and carcinogenicity data; counterion not identified) that are included in the ATSDR toxicological profile for Ammonia; diammonium phosphate (repeated dose (short-term) oral toxicity and reproductive and developmental toxicity data); ammonium chloride (genotoxicity data [micronucleus test]); ammonium sulfate (oral carcinogenicity and chronic oral toxicity data); and diammonium phosphate (reproductive toxicity data). The Panel should determine whether these data on surrogate chemicals are relevant to this safety assessment. Furthermore, it should be noted that the Panel has issued a Final Report on the safety of Phosphoric Acid and Its Salts (Diammonium Phosphate included) in cosmetics, and that the Panel should also determine whether data on Diammonium Phosphate in this report are relevant to the current safety assessment and should be added. Ammonium chloride and ammonium sulfate are two of the surrogate chemicals that are mentioned above. One of the comments that was received from the Council suggests that these two cosmetic ingredients should be added to the safety assessment. However, it should be noted that the two ingredients, Ammonia and Ammonium Hydroxide, were proposed for inclusion in this safety assessment as a grouping during the priorities-setting process last year, and these additional ingredients were not recommended for inclusion. Ammonia and Ammonium Hydroxide constitute a perfect grouping because these ingredients are exactly the same thing in cosmetic products, existing with each other in equilibrium. The Panel should determine whether or not this change is warranted. After reviewing these documents, if the available data are deemed sufficient to make a determination of safety, the Panel should issue a Tentative Report with a safe as used, safe with qualifications, or unsafe conclusion. If the available data are insufficient, the Panel should issue an Insufficient Data Announcement (IDA), specifying the data needs therein. __________________________________________________________________________________________ 1620 L Street, NW Suite 1200, Washington, DC 20036 (Main) 202-331-0651 (Fax) 202-331-0088 (Email) [email protected] (Website) www.cir-safety.org SAFETY ASSESSMENT FLOW CHART INGREDIENT/FAMILY __ Ammonium Hydroxide and Ammonia _______________________________ MEETING ___Sept 2017_________________________________________________________________ Public Comment CIR Expert Panel Report Status Priority List INGREDIENT PRIORITY LIST SLR July 7, 2017 DRAFT REPORT Sept 2017 Draft Report 60 day public comment period Table Table IDA TR IDA Notice IDA DRAFT TENTATIVE REPORT Draft TR Table Table Tentative Report Issue TR Draft FR DRAFT FINAL REPORT 60 day Public comment period Table Table Different Conclusion Issue PUBLISH Final Report FR Distributed for comment only -- do not cite or quote CIR History of: Ammonia and Ammonium Hydroxide A Scientific Literature Review (SLR) on Ammonia and Ammonium Hydroxide was issued on July 7, 2017. Draft Report, Teams/Panel: September 11-12, 2017 The draft report contains use concentration data on Ammonia and Ammonium Hydroxide that were received from the Council. Distributed for comment only -- do not cite or quote Mentha piperita-derived Ingredients Data Profile for September 11th-12th, 2017 Panel – Wilbur Johnson Carcinogenicity Other Relevant Enhancement Dermal ADME Acute Toxicity DART Dermal Ocular Clinical Case Epidemiology Sub Genotoxicity Penetration Penetration Short Penetration Irritation Sensitization Irritation Studies Reports Chronic Tox Toxicity Toxicity Studies Studies Dermal - Nail Nail /Phototoxicit Chronic * - icity Term y * In VitroIn In Vivo VitroIn VitroIn Cosmetics? Used in Available? Safety Data In Dermal VitroIn Animal Animal Animal Human Animal Animal Animal Animal Animal Animal VitroIn In Vivo VitroIn In VitroIn In Vivo vitro Animal Animal Human VitroIn Animal Human Human Human Human Vivo- Vivo - - - - - - - - /Human - - - - /In Vivo - - - - Human Dermal Oral IV Dermal Oral Inhalation Animal Human Human Animal Human Oral Inhalation Dermal Inhalation Animal /In Ammonia X X X X X X X X X X X/X X X X/X X X X X Ammonium X X X X X/X/X X Hydroxide X = data; 0 = no data Distributed for comment only -- do not cite or quote [Ammonia and Ammonium Hydroxide (3/20/2017; Updated on 8/1/2017)] Ingredient CAS # InfoBase SciFinder PubMed TOXNET FDA EU ECHA IUCLID SIDS HPVIS NICNAS NTIS NTP WHO FAO FEMA ECETOC Ammonia 7664-41-7 1/1 83/563 14/455 17/283 Yes Yes Yes Yes Yes Yes Yes Yes No Yes Yes Yes No 8007-57-6 Ammonium Hydroxide 1336-21-6 1/1 20/1064 14/1159 9/366 Yes No No Yes Yes Yes Yes Yes No Yes Yes No No Search Strategy [document search strategy used for SciFinder, PubMed, and Toxnet] [identify total # of hits /# hits that were useful or examined for usefulness] Distributed for comment only -- do not cite or quote LINKS InfoBase (self-reminder that this info has been accessed; not a public website) - http://www.personalcarecouncil.org/science-safety/line-infobase ScfFinder (usually a combined search for all ingredients in report; list # of this/# useful) - https://scifinder.cas.org/scifinder PubMed (usually a combined search for all ingredients in report; list # of this/# useful) - http://www.ncbi.nlm.nih.gov/pubmed Toxnet databases (usually a combined search for all ingredients in report; list # of this/# useful) – https://toxnet.nlm.nih.gov/ (includes Toxline; HSDB; ChemIDPlus; DAR; IRIS; CCRIS; CPDB; GENE-TOX) FDA databases – http://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfcfr/cfrsearch.cfm (CFR); then, list of all databases: http://www.fda.gov/ForIndustry/FDABasicsforIndustry/ucm234631.htm; then, http://www.accessdata.fda.gov/scripts/fcn/fcnnavigation.cfm?rpt=eafuslisting&displayall=true (EAFUS); http://www.fda.gov/food/ingredientspackaginglabeling/gras/default.htm (GRAS); http://www.fda.gov/food/ingredientspackaginglabeling/gras/scogs/ucm2006852.htm (SCOGS database); http://www.accessdata.fda.gov/scripts/fdcc/?set=IndirectAdditives (indirect food additives list); http://www.fda.gov/Drugs/InformationOnDrugs/default.htm (drug approvals and database); http://www.fda.gov/downloads/AboutFDA/CentersOffices/CDER/UCM135688.pdf (OTC ingredient list); http://www.accessdata.fda.gov/scripts/cder/iig/ (inactive ingredients approved for drugs) EU (European Union); check CosIng (cosmetic ingredient database) for restrictions and SCCS (Scientific Committee for Consumer Safety) opinions - http://ec.europa.eu/growth/tools-databases/cosing/ ECHA (European Chemicals Agency – REACH dossiers) – http://echa.europa.eu/information-on-chemicals;jsessionid=A978100B4E4CC39C78C93A851EB3E3C7.live1 IUCLID (International Uniform Chemical Information Database) - https://iuclid6.echa.europa.eu/search OECD SIDS documents (Organisation for Economic Co-operation and Development Screening Info Data Sets)- http://webnet.oecd.org/hpv/ui/Search.aspx HPVIS (EPA High-Production Volume Info Systems) - https://ofmext.epa.gov/hpvis/HPVISlogon NICNAS (Australian National Industrial Chemical Notification and Assessment Scheme)- https://www.nicnas.gov.au/ NTIS (National Technical Information Service) - http://www.ntis.gov/ NTP (National Toxicology Program ) - http://ntp.niehs.nih.gov/ WHO (World Health Organization) technical reports - http://www.who.int/biologicals/technical_report_series/en/ FAO (Food and Agriculture Organization of the United Nations) - http://www.fao.org/food/food-safety-quality/scientific-advice/jecfa/jecfa-additives/en/ (FAO);
Recommended publications
  • Evaluation of Liquid Ammonium Polyphosphate As a Carrier of Iron and Zinc
    EVALUATION OF LIQUID AMMONIUM POLYPHOSPHATE AS A CARRIER OF IRON AND ZINC by ; V<P RATMUNDO RALLAN GANIRON B. S. A., University of the Philippines, 1961 A MASTER'S THESIS submitted in partial fulfillment of the requirement for the degree MASTER OF SCIENCE Department of Agronomy KANSAS STATE UNIVERSITY Manhattan, Kansas 1966 Approved by: Jor Professor LP ZGGf it Tj( £/<?7 TABLE OF CONTENTS INTRODUCTION 1 REVIEW OF LITERATURE 3 Iron . 3 Zinc * MATERIALS AND METHODS 13 Fertiliser Materials 13 Field Experiments H Soil Sampling 20 Laaf Sampling 22 Chemical Analysis 22 (a) Zinc 22 (b) Iron 24 (c) Phosphorua 25 (d) Potassium •« 27 (a) Organic Matter 27 (f) pH 27 (g) Protain 27 RESULTS AND DISCUSSIONS 26 SUMMARY AND CONCLUSIONS 4$ ACKNOWLEDGMENT. 51 LITERATURE CITED 52 INTRODUCTION Increasing attention has baan focused to the need of fertilising with micronutrient elements to achieve maximum production and optimum quality of farm crops. The supply of these elements in the soil has become limited in some areas as a result of the introduction of high yielding varieties, better and more intensive cropping practices, and increased use of high analysis fertilisers. In some cases, the ob- served deficiencies of these micronutrients have been man- made due to addition of interfering elements for other pur- poses. For instance there is the copper induced iron chlorosis, copper being introduced as agricultural sprays and the phosphorus induced iron and zinc deficiencies, phos- phorus being introduced to meet the phosphorus requirement of farm crops. How to minimise such interactions and the problems of keeping these micronutrient elements available to the plants when applied to the soil have been the sub- ject of intensive researches.
    [Show full text]
  • Chemicals Used for Chemical Manufacturing Page 1 of 2
    Chemicals used for Chemical Manufacturing Page 1 of 2 Acetic Acid (Glacial, 56%) Glycol Ether PMA Acetone Glycol Ether PNB Acrylic Acid Glycol Ether PNP Activated Carbon Glycol Ether TPM Adipic Acid Glycols Aloe Vera Grease Aluminum Stearate Gum Arabic Aluminum Sulfate Heat Transfer Fluids Amino Acid Heptane Ammonium Acetate Hexane Ammonium Bicarbonate Hydrazine Hydrate Ammonium Bifluoride Hydrochloric Acid (Muriatic) Ammonium Chloride Hydrogen Peroxide Ammonium Citrate Hydroquinone Ammonium Hydroxide Hydroxylamine Sulfate Ammonium Laureth Sulfate Ice Melter Ammonium Lauryl Sulfate Imidazole Ammonium Nitrate Isobutyl Acetate Ammonium Persulfate Isobutyl Alcohol Ammonium Silicofluoride Calcium Stearate Dipropylene Glycol Isopropanolamine Ammonium Sulfate Carboxymethylcellulose Disodium Phosphate Isopropyl Acetate Antifoams Caustic Potash D'Limonene Isopropyl Alcohol Antifreeze Caustic Soda (All Grades) Dodecylbenzene Sulfonic Acid Isopropyl Myristate Antimicrobials Caustic Soda (Beads, Prills) (DDBSA) Isopropyl Palmitate Antimony Oxide Cetyl Alcohol Dowfrost Itaconic Acid Aqua Ammonia Cetyl Palmitate Dowfrost HD Jojoba Oil Ascorbic Acid Chlorine, Granular Dowtherm SR-1 Keratin Barium Carbonate Chloroform Dowtherm 4000 Lactic Acid Barium Chloride Chromic Acid EDTA Lanolin Beeswax Citric Acid (Dry and Liquid) EDTA Plus Lauric Acid Bentonite Coal Epsom Salt Lauryl Alcohol Benzaldehyde Cocamide DEA Ethyl Acetate Lecithin Benzoic Acid Copper Nitrate Ethyl Alcohol (Denatured) Lime Benzyl Alcohol Copper Sulfate Ethylene Glycol Linoleic Acid Bicarbonate
    [Show full text]
  • The Behaviour of Ion-Exchange Eesins with Basic Solvents
    THE BEHAVIOUR OF ION-EXCHANGE EESINS WITH BASIC SOLVENTS By Vithalbhai Chaturbhai Patel A Thesis presented for the Degree of Doctor of Philosophy in the University of London. Chemistry Department, Battersea College of Technology, LONDON, S.W.ll. January, ProQuest Number: 10802180 All rights reserved INFORMATION TO ALL USERS The quality of this reproduction is dependent upon the quality of the copy submitted. In the unlikely event that the author did not send a com plete manuscript and there are missing pages, these will be noted. Also, if material had to be removed, a note will indicate the deletion. uest ProQuest 10802180 Published by ProQuest LLC(2018). Copyright of the Dissertation is held by the Author. All rights reserved. This work is protected against unauthorized copying under Title 17, United States C ode Microform Edition © ProQuest LLC. ProQuest LLC. 789 East Eisenhower Parkway P.O. Box 1346 Ann Arbor, Ml 48106- 1346 (ii) ABSTRACT (iii) The swelling of a sulphonic acid resin in the Li(l), K(l), Ag(l), Cu(ll), Ni(ll), Mn(ll), Co(ll\ Cr(lll), and Fe(lll) forms, in aqueous ammonia solution, has been described in this thesis. The swelling of some metal form resins in aqueous ethylenediamine and propylenediamine solutions has been studied for comparison. It was found that the alkali metal form resins did not show any preference for ammonia but other transition metal form resins did show such preference for ammonia and for the other bases studied. The absorption of base by such resins was quantitative and hence it v/as possible to construct the formation curves for the ammine and amine complexes and to derive stability con­ stants by Bjerrum!s half-step method, for the amine complexes formed in the resins.
    [Show full text]
  • Effects of Different Sources of Fertilizer Nitrogen on Growth and Nutrition of Western Hemlock Seedlings
    Effects of Different Sources U.S. Department of Agriculture Forest Service Pacific Northwest Forest of FertiIizer Nitrogen and Range Experiment Station Research Paper PNW-267 on Growth and Nutrition oJ February 1980 Western Hemlock Seedlings ---. --_. ------------------------ , I _J Authors M. A. RADWAN is Principal Plant Physiologist and DEAN S. DeBELL is Principal Silviculturist with the Forest Service, u.S. Department of Agriculture, Pacific Northwest Forest and Range Experiment Station, Forestry Sciences Laboratory, Olympia, Washington. En gl ish Equivalents 1 liter 0.2642 gallon 1 kilogram = 2.2046 pound 1 gram = 0.0353 ounce 1 centimeter = 0.3937 inch 1 kilogram per hectare 1.1206 pounds per acre (9/50C) + 32 = of EFFECTS OF DIFFERENT SOURCES OF FERTILIZER NITROGEN ON GROWTH AND NUTRITION OF WESTERN HEMLOCK Reference Abstract Radwan, M. A. , and Dean S. DeBell. 1980. Effects of different sources of fertilizer nitrogen on growth and nutrition of western hemlock seedlings. USDA For. Servo Res. Pap. PNW-267, 15 p. Pacific Northwest Forest and Range Experiment Station, Portland, Oregon. Twelve different nitrogen (N) fertilizer treatments were tested on potted western hemlock (Tsuga heterophylla (Raf. ) Sarg.) seedlings. Fertilizers affected soil N and pH, and growth and foliar chemical com­ position of seedlings. Ura plus N-Serve and sulfur-coated urea appear more promising for promoting growth than other fertilizers tested. Results, however, do not explain reported variability in response of hemlock stands to N fertilization. Keywords: Nitrogen fertilizer response, seedling growth, western hemlock, Tsuga heterophylla. RESEARCH SUMMARY Research Paper PNW-267 1980 The following fertilization treatments were applied in the spring to potted, 4-year-old western hemlock (Tsuga heterophylla (Raf.
    [Show full text]
  • Safety Data Sheet (English)
    SAFETY DATA SHEET Diammonium Phosphate Prepared to U.S. OSHA, CMA, ANSI, Canadian WHMIS Standards, Australian WorkSafe, Japanese Industrial Standard JIS Z 7250:2000, Uruguay (Decree 307/2009 as amended by Decree 346/2011), SDS standards for Brazil (ABNT NRB 14725-4: 2014), and European Directives SECTION 1. PRODUCT IDENTIFICATION 1.1 TRADE NAME (AS LABELED): Diammonium Phosphate SYNONYMS: Ammonium Phosphate, Dibasic; Ammonium Phosphate, Secondary; DAP; Diammonium Phosphate Food grade; Diammonium Phosphate Tech Grade CAS#: 7783-28-0 EC NUMBER: 231-987-8 REACH REGISTRATION #: 01-2119490974-22-0057 1.2 PRODUCT USE: Nutrient in manufacture of yeast; ingredient in compound bread improvers. Flame retardant. pH regulator. Agriculture – Ingredient in specialty all-soluble dry fertilizers. Building Materials – Flame-proofing of wood. Paint – Ingredient in flame-proofing of specialty paper; prevention of afterglow in matches. Pulp and Paper – Flame-proofing of specialty paper; prevention of afterglow in materials. Textile – Flame-proofing of fabrics and cotton batting. Nutrient feed for biological treatment plants. 1.3 MANUFACTURER'S NAME: Innophos ADDRESS: 259 Prospect Plains Rd. Bldg A, Cranbury, NJ 08512 BUSINESS PHONE: 1-609-495-4295 WEB SITE INFORMATION: www.innophos.com RESPONSIBLE PARTY - EU Covance Clinical Development SA Parque Empresarial Las Tablas Edificio 1 Calle Federico Mompou 5-5ª planta 28050 Madrid, Spain Tel: +34 915 901 664 Email: [email protected] 1.4 EMERGENCY PHONE NUMBERS: 800-424-9300 (CHEMTREC U.S. and Canada – 24 Hrs) +1 703-527-3887 (CHEMTREC outside the USA and Canada – 24 Hrs) 615-386-7816 – Innophos Emergency Communication Team (ECT) 01-800-00214 00 (SETIQ in Mexico – 24 hrs) DATE OF PRIOR REVISION: November 16, 2017 DATE OF LATEST REVISION: February 09, 2020 SECTION 2.
    [Show full text]
  • Laboratory Reagents Product List 2021
    PRODUCT LIST Examples of our laboratory reagents Product list – selected products Artificial Urine Brooks and Keevil AMPQ44861.1000 Auramine-Rhodamine AMPQ55029.0500 Below is a selection of products. If you cannot find what you are look- Auric Chloride 0.1% AMPQ12450.0500 ing for, please contact us about your specific requests for laboratory reagents, volume and packaging, etc. Auric Chloride 1% AMPQ12452.0100 We mainly use chemicals by p.a. quality. If you want growth control on growing media, please contact us for an offer. B Balanced Salt Solution for Storage AMPQ46214.0100 Product name Cat. No. Balanced Salt Solution with Tris AMPQ40040.1000 Barium Chloride 0.5 M = 1.0 N AMPQ42099.1000 2,4-Dinitroflouro Benzen 1.3% v/v AMPQ44913.0100 Barium Chloride 1 M AMPQ43551.0500 2-Amino-2-Methyl-1,3-propanediol 2.1 % w/v AMPQ42009.0250 Barium Chloride 10% w/v AMPQ10513.1000 2-Propanol 35% AMPQ12900.5000 Barium Diphenylamine Sulfonate AMPQ40838.0500 Basophil Counting Solution AMPQ90492.0200 A Basophilic Colouring Solution AMPQ42037.0100 Acetate Buffer 0.1 M, pH 4.0 AMPQ10021.1000 Benzamidine 0.5 M in MilliQ H2O AMPQ10750.0100 Acetate Buffer 0.1 M, pH 4.8 AMPQ40728.1000 Benzoe I Colouring Solution AMPQ10779.0100 Acetate Buffer 0.1 M, pH 5.9 AMPQ43009.1000 Benzoe II Colouring Solution AMPQ10781.0100 Acetate Buffer 35%, pH 5.6 AMPQ10015.1000 Biebrich Scarlet Solution AMPQ46088.1000 Acetate Buffer Walpole pH 4.1 AMPQ55005.0500 Biebrich's Scarlet Acid Fuchsin AMPQ29082.0500 Acetic Acid 0.1 M Titrated AMPQ11590.5000 Bies Colouring Solution AMPQ10780.0050 Acetic Acid 1% AMPQ11515.1000 BiGGY Agar AMPQ02048.0015 Acetic Acid 10% P.A.
    [Show full text]
  • IFAC Summary of Phosphate Citations the International Food Additives
    IFAC Summary of Phosphate Citations The International Food Additives Council (IFAC) is a global association representing manufacturers of food ingredients, including phosphates used as food additives. IFAC strives for the harmonization of food additive standards and specifications worldwide, and supports regulatory processes to identify, categorize and document the safety of food additives. Phosphorus is an essential element critical for several key biochemical processes in the body, including development of cell membranes, growth of bones and teeth, maintenance of acid-base balance, and cellular energetics. Phosphorus is naturally occurring in various types of foods, including meat, grains, and dairy. Additionally, inorganic phosphates can be added to foods to improve texture, flavor, shelf life, and other technological functions. Inorganic phosphates are salts or esters of phosphoric acid. Phosphoric acid is produced starting with naturally-occurring phosphate ore mined around the world. As phosphoric acid, it can be combined with other elements such as calcium, potassium, and sodium into "salts." Phosphate additives are contained in a large number of processed foods and beverages and help contribute to the vast food supply while also minimizing food waste. Following is a comprehensive list of phosphates that are approved for use in food. All of these phosphates have either been approved by the US Food and Drug Administration (FDA) as a direct food additive or reviewed by FDA and determined to be generally recognized as safe (GRAS). Also included are the CAS numbers, International Numbering System (INS) numbers, Food Chemicals Codex (FCC) references and Joint FAO/WHO Expert Committee on Food Additives (JECFA) evaluations, as available.
    [Show full text]
  • United States Patent (19) 11 Patent Number: 5,788,915 Blount (45) Date of Patent: Aug
    IIIUSOO5788915A United States Patent (19) 11 Patent Number: 5,788,915 Blount (45) Date of Patent: Aug. 4, 1998 54 FLAME RETARDANT COMPOSITIONS 57 ABSTRACT UTILIZING PARTIALLY HYDROLYZED AMNO CONDENSATON COMPOUNDS Flame retardant compositions of this invention are produced by incorporating a partially index (LOI) hydrolyzed amino 76 Inventor: David H. Blount, 6728 Del Cerro condensation composition in a more flammable organic Blvd., San Diego, Calif. 92120 material. The partially hydrolyzed amino condensation com pounds are produced by heating urea or heating urea with (21) Appl. No.: 801,776 other nitrogen containing compounds that will condensate with or react with isocyanic acid and/or cyanic acid thereby 22 Filed: Feb. 14, 1997 producing an amino condensation compound which is then Related U.S. Application Data partially hydrolysis is done by reacting it with a limited amount of water. The partially hydrolyzed amino conden 62) Division of Ser. No. 723,779, Sep. 30, 1996. sation compounds may be used alone or may be mixed with or reacted with carbonization auxiliaries, aldehydes and (51) Int. Cl. ........................ C09K 21A00; C08G 12/12 fillers to produce a partially hydrolyzed amino condensation 52 U.S. Cl. ........................... 252/609; 528/259; 252/601 composition which is incorporated in more flammable 58) Field of Search ..................................... 252/609, 601: organic compositions such as polyurethanes, polyester 528/259 resins. epoxy resins, vinyl resins and other resins. The partially hydrolyzed amino condensation salts of 56 References Cited phosphorus, boron or sulfur containing compounds and the U.S. PATENT DOCUMENTS partially hydrolyzed amino condensation-aldehyde resins 3,900,665 8/1975 Weil .......................................
    [Show full text]
  • Synthesis and Acidity of [Co(NH3)5H2O](NO3)3
    Synthesis of a Cobalt Complex Lab #6, Chem 36 Spring 2009 Introduction cobalt(II) to cobalt(III). The procedure used here is typical, with hydrogen peroxide serving as the The most extensively studied class of reagent (called an "oxidizing agent" for its ability octahedral transition metal compounds are to remove an electron) and ammonia as the cobalt(III) complexes in which ammonia (or amine. Here is the stoichiometric net reaction for other neutral molecules, closely related to this synthesis: ammonia, called amines) occupy some or all of the six coordination positions. The (III) in the 2 HNO3 + 2 [Co(H2O)6] [NO3]2(s) + H2O2 + 10 name is a way of indicating the +3 oxidation NH3 → 2 [Co(NH3)5(H2O)] [NO3]3(s) + 12 H2O state of the Co3+ ion. These complexes played a decisive role in early formulations of the The oxidation-reduction half-reactions consist structure of transition metal compounds and they of the oxidation of cobalt (II) to cobalt (III) and continue to be important model systems for the reduction of the hydrogen peroxide: contemporary research into the properties of complex ions. 2 Co+2 → 2 Co+3 + 2 e- + - The first and simplest cobalt ammine complex 2 H + H2O2 + 2 e 2 H2O 3+ → ion, [Co(NH3)6] , was prepared in 1798. Alfred Werner, a German chemist, studied the cobalt The purpose of each reagent in the mixture is ammines extensively in the late 19th and early described below. 20th centuries. He correctly interpreted his observations as requiring an octahedral geometry About the Reagents of the ligands about the metal.
    [Show full text]
  • (DAP) Diammonium Phosphate Safety Data Sheet 200 Revision Date:04/30/2015 : Version: 1.0
    (DAP) Diammonium phosphate Safety Data Sheet 200 Revision date:04/30/2015 : Version: 1.0 SECTION 1: Identification of the substance/mixture and of the company/undertaking 1.1. Product identifier Product form : Substance Substance name : (DAP) Diammonium phosphate Product code : DAP, DAPFR,DAPOS, DAPLG CAS No. : 7783-28-0 Formula : (NH4)2HPO4 Synonyms : Ammonium phosphate, dibasic / Diammonium hydrogenorthophosphate / Phosphoric acid, diammonium salt / Diammonium hydrogenphosphate / Ammonium phosphate dibasic / Diammonium hydrogen phosphate / Diammonium hydrogen orthophosphate / Phosphoric acid, ammonium salt (1:2) / DIAMMONIUM PHOSPHATE / DAP Product group : Commercial product Other means of identification : DAP, DAPLG 1.2. Relevant identified uses of the substance or mixture and uses advised against Use of the substance/preparation : Agricultural chemical No additi onal infor mati on available 1.3. Details of the supplier of the safety data sheet PCS Sales (USA), Inc. 1101 Skokie Blvd. Suite 400 Northbrook, IL 60062 T 800-241-6908 / 847-849-4200 Suite 500 122 1st Avenue South Saskatoon, Saskatchewan Canada S7K7G3 T 800-667-0403 (Canada) / 800-667-3930 (USA) [email protected] - www.PotashCorp.com 1.4. Emergency telephone number Emergency number : 800-424-9300 CHEMTREC SECTION 2: Hazards identification 2.1. Classification of the substance or mixture GHS-US classification Skin Irrit. 2 H315 Eye Irrit. 2B H320 STOT SE 3 H335 Aquatic, Acute 2 H401 04/30/2015 EN (English) SDS Ref.: 200 1/10 (DAP) Diammonium phosphate Safety Data Sheet 200 Full text of H-phrases: see section 16 2.2. Label elements GHS-US labelling Hazard pictograms (GHS-US) : GHS07 Signal word (GHS-US) : Warning Hazard statements (GHS-US) : H315 - Causes skin irritation H320 - Causes eye irritation H335 - May cause respiratory irritation H401 - Toxic to aquatic life.
    [Show full text]
  • Carbon Dioxide Capture Using Aqueous Ammonia I
    Carbon Dioxide Capture using Aqueous Ammonia I. Introduction The project involves a complete detailed design of a carbon-capture process using post- combustion absorption with aqueous ammonia to remove 90% of the carbon dioxide in the flue gas a power plant. The design basis was for a power plant with a net output of 550 MWe and an exhaust gas composition of 13.50 mol% CO2, 15.17 mol% H2O, 68.08 mol% N2, 2.43 mol% O2, and 0.82 mol% argon at a temperature of 57.2°C and 103 kPa. The capture process must extract 90% of the CO2 from the inlet flue gas and the CO2 outlet stream must be supercritical. Additionally, due to environmental regulations, the treated flue must contain less than 150 ppm (wt/wt) of ammonia. The criteria for economic analysis were a 20-year time period and a 5% interest rate with a current cost of electricity of $0.06/kWh. A design that minimizes the cost of electricity is required. II. Background II.A. Absorption Using Aqueous Ammonia II.A.1. Overview of Process The ammonia absorption process for the removal of carbon dioxide from flue gas has been reported to be very effective. Any ammonia absorption process has the same topology as seen in Figure 1. 2 Figure 1: Block Flow Diagram (BFD) of an aquous ammonia absorption process The system operates using an absorber to capture the carbon dioxide into a liquid stream followed by a stripping unit to regenerate it as gas. First, the flue gas (Stream 1) is compressed enough to overcome the pressure drop in the subsequent heat exchanger.
    [Show full text]
  • Issues in CPPD Nomenclature and Classification
    Current Rheumatology Reports (2019) 21: 49 https://doi.org/10.1007/s11926-019-0847-4 CRYSTAL ARTHRITIS (L STAMP, SECTION EDITOR) Issues in CPPD Nomenclature and Classification Sara K. Tedeschi1 Published online: 25 July 2019 # Springer Science+Business Media, LLC, part of Springer Nature 2019 Abstract Purpose of Review This paper covers confusion and challenges in the nomenclature of calcium pyrophosphate deposition disease. Clinicians, investigators, and patients are faced with a variety of terms that are used to describe CPPD and its phenotypes, and clarity is greatly needed to help advance research and patient care. Motivation for the upcoming development of CPPD classification criteria is reviewed. Recent Findings EULAR proposed recommended terminology for CPPD in 2011. International Classification of Diseases (ICD- 9 and ICD-10) billing codes identify definite or probable CPPD with variable accuracy depending on the clinical setting and comparator group. READ diagnostic codes have been employed to identify pseudogout in UK datasets but their accuracy has not been evaluated. CPPD classification criteria will provide a system for identifying a relatively homogenous group of patients to be included in clinical studies, enabling comparison of outcomes across studies. Summary CPPD nomenclature remains challenging for clinicians, investigators, and patients. A lay-friendly definition of CPPD, using easily accessible terminology, would be welcome. CPPD classification criteria are a necessary step in moving forward CPPD clinical research and may involve a range of clinical, laboratory, and imaging modalities. Keywords CPPD . Pseudogout . Acute CPP crystal arthritis . Classification criteria . Terminology . Nomenclature Introduction experts have noted that confusing nomenclature and a lack of classification criteria hinder our understanding of this com- Calcium pyrophosphate deposition (CPPD) disease represents mon arthritis [1, 4, 5].
    [Show full text]