Hazard Data Spill/Leaks Physical Properties

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Hazard Data Spill/Leaks Physical Properties

Right to Know Hazardous Substance Fact Sheet Common Name: CADMIUM BROMIDE Synonyms: Cadmium Dibromide CAS No: 7789-42-6 Molecular Formula: CdBr2 RTK Substance No: 0307 Description: White to yellowish, odorless, crystalline solid which changes to a powder on exposure to dry air HAZARD DATA Hazard Rating Firefighting Reactivity 4 - Health Extinguish fire using an agent suitable for type of A mixture of Cadmium Bromide and POTASSIUM may surrounding fire. Cadmium Bromide itself does explode on impact. 0 - Fire not burn. Cadmium Bromide reacts with SULFIDES, and will form 0 - Reactivity POISONOUS GASES ARE PRODUCED IN FIRE, Acids in WATER. including Cadmium Oxide and Hydrogen Bromide. DOT#: UN 2570 Cadmium Bromide is not compatible with SULFURIC Use water spray to keep fire-exposed containers ACID; ALKALI; AMMONIA; AMINES; AMIDES; ERG Guide #: 154 cool. EPICHLOROHYDRIN; ISOCYANATES; Hazard Class: 6.1 Cadmium Bromide may ignite combustibles NITROMETHANE; and VINYL ACETATE. (Poison) (wood, paper and oil). SPILL/LEAKS PHYSICAL PROPERTIES Isolation Distance: Odor Threshold: Odorless Spills: 25 meters (75 yards) Flash Point: Nonflammable; dust may be explosive Fire: 800 meters (1/2 mile) Specific Gravity: 5.2 (water = 1) Moisten spilled material first or use a HEPA-filter Water Solubility: Soluble vacuum for clean-up. Boiling Point: 1,585oF (863oC) (decomposes) Collect powdered material in the most convenient o o Freezing Point: 1,053 F (567 C) and safe manner and deposit in sealed containers. DO NOT wash into sewer. Molecular Weight: 272.22 Toxic to aquatic organisms. Hazardous to the environment and persists in the environment. EXPOSURE LIMITS PROTECTIVE EQUIPMENT 3 OSHA: 0.005 mg/m , 8-hr TWA Gloves: Nitrile and Neoprene NIOSH: Lowest feasible concentration Coveralls: DuPont Tyvek® 3 ACGIH: 0.01 mg/m , 8-hr TWA (total particulate) Respirator: >0.005 mg/m3 - APR with High efficiency filters 3 0.002 mg/m , 8-hr TWA (respirable fraction) >0.05 mg/m3 - Supplied air IDLH: 9 mg/m3 (All of the above are for Cadmium) HEALTH EFFECTS FIRST AID AND DECONTAMINATION Eyes: Irritation Remove the person from exposure. Skin: Irritation Flush eyes with large amounts of water for at least 15 minutes. Remove contact lenses if worn. Inhalation: Nose, throat and lung irritation with coughing and shortness of breath Remove contaminated clothing and wash contaminated skin with water. Nausea, vomiting, headache, fever and Begin artificial respiration if breathing has stopped and CPR if necessary. chills, aches, and chest tightness Transfer to a medical facility. Chronic: Cadmium and Cadmium compounds cause lung and prostate cancer in Medical observation is recommended as symptoms may be delayed. humans February 2008 .

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Safety Data Sheet
SAFETY DATA SHEET Creation Date 27-Aug-2013 Revision Date 14-Feb-2020 Revision Number 2 1. Identification Product Name Cadmium bromide, ultra dry Cat No. : 47105 CAS-No 7789-72-6 Synonyms No information available Recommended Use Laboratory chemicals. Uses advised against Food, drug, pesticide or biocidal product use. Details of the supplier of the safety data sheet Company Alfa Aesar Thermo Fisher Scientific Chemicals, Inc. 30 Bond Street Ward Hill, MA 01835-8099 Tel: 800-343-0660 Fax: 800-322-4757 Email: [email protected] www.alfa.com Emergency Telephone Number During normal business hours (Monday-Friday, 8am-7pm EST), call (800) 343-0660. After normal business hours, call Carechem 24 at (866) 928-0789. 2. Hazard(s) identification Classification This chemical is considered hazardous by the 2012 OSHA Hazard Communication Standard (29 CFR 1910.1200) Acute oral toxicity Category 4 Acute dermal toxicity Category 4 Acute Inhalation Toxicity - Dusts and Mists Category 4 Carcinogenicity Category 1A Label Elements Signal Word Danger Hazard Statements May cause cancer Harmful if swallowed, in contact with skin or if inhaled ______________________________________________________________________________________________ Page 1 / 7 Cadmium bromide, ultra dry Revision Date 14-Feb-2020 ______________________________________________________________________________________________ Precautionary Statements Prevention Obtain special instructions before use Do not handle until all safety precautions have been read and understood Use personal protective equipment
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Pp-03-25-New Dots.Qxd 10/23/02 2:16 PM Page 136
pp-03-25-new dots.qxd 10/23/02 2:16 PM Page 136 136 BROMIC ACID / BROMINE BROMIC ACID [7789–31–3] Formula: HBrO3; MW 128.91 Uses Bromic acid is used as an oxidizing agent; and also as intermediate in the preparation of dyes and pharmaceuticals . Physical Properties Unstable compound; stable only in dilute aqueous solutions; solution turns yellow on standing; decomposes when heated to 100°C. Preparation Bromic acid is prepared by adding sulfuric acid to barium bromate. Ba(BrO3)2 + H2SO4 → 2HBrO3 + BaSO4 The product is distilled and absorbed in water. A 50% solution may be obtained by slow evaporation of the dilute solution in vacuum at –12°C. Toxicity Contact with skin and eyes can cause severe irritation. BROMINE [7726–95–6] Symbol Br; atomic number 35; atomic weight 79.904; a halogen group ele- ment; electron affinity 3.36359 eV; electronegativity 2.8; electron configura- tion [Ar] 3d104s24p5; most stable valence states –1 and +5, less stable valence states +1 and +3; a diatomic molecule (Br2) in liquid and vapor states over a wide range of temperature; two stable isotopes, Br–79 (50.57%) and Br–81 (49.43%). Occurrence and Uses Bromine occurs in nature as bromide in many natural brine wells and salt deposits. It also is found in seawater at a concentration of 85 mg/L. The ele- ment was discovered by A. J. Balard and C. Lowig, independently in 1826. Bromine is used in bleaching fibers and as a disinfectant for water purifica- tion. Other applications are in organic synthesis as an oxidizing or brominat- ing agent; in the manufacture of ethylene dibromide, methyl bromide and other bromo compounds for dyes and pharmaceutical uses; as a fire retardant for plastics; and in chemical analysis.
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Attachment 3-1 Guidance for Developing Ecological Soil
Attachment 3-1 Guidance for Developing Ecological Soil Screening Levels (Eco-SSLs) Eco-SSL Standard Operating Procedure (SOP # 1): Plant and Soil Invertebrate Literature Search and Acquisition OSWER Directive 92857-55 November 2003 This page intentionally left blank OVERVIEW Currently, there is a lack of clear guidance in setting terrestrial effect thresholds when conducting risk assessments. Without an EPA-approved, peer-reviewed, ecologically-based terrestrial effect database, the process to develop thresholds is problematic both to EPA, other federal agencies, states, and concerned private parties. Identification of published toxicity studies on invertebrates, microbial processes and plants is a key step in the derivation of benchmarks. The purpose of the Task Group 4, Standard Operating Procedure Number 1: Literature Search and Acquisition (referred to as TG4-SOP#1) is to document procedures used to identify and acquire potentially relevant toxicology literature for use in setting ecological soil screening levels. The literature search strategy is designed to locate worldwide terrestrial toxicity literature that includes the effects of chemicals of concern on terrestrial soil-dwelling invertebrates and plants. The literature acquisition process is designed to ensure timely acquisition of relevant publications. LITERATURE IDENTIFICATION Potentially relevant literature for developing ecological soil screening levels (Eco-SSLs) is identified by examining hard copies of relevant journals, bibliographies and guidance publications and through the use of a comprehensive computerized literature search strategy. These procedures are designed to locate worldwide terrestrial toxicology literature that includes the effects of specific toxic substances with an emphasis on exposure via soil. Paper-based Literature Identification The paper-based literature identification process includes the scanning of relevant review article bibliographies and key journals held in the U.S.
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Safety Datasheet Complies with the Requirements of Regulation (EC) No
Wet Plate Supplies wetplatesupplies.com SAFETY DATA SHEET according to Regulation (EC) No. 1907/2006 Version 1.0 Revision Date 07.10.2016 Print Date 24.10.2016 1. IDENTIFICATION OF THE SUBSTANCE/MIXTURE AND OF THE COMPANY/UNDERTAKING 1.1 Product identifiers Product name : ‘Leas’ landscape #7 Premixed Collodion Brand : Buildingbox Ltd Index-No. : N/A CAS-No. : N/A 1.2 Relevant identified uses of the substance or mixture and uses advised against Identified uses : Photographic use only 1.3 Details of the supplier of the safety data sheet Company : Buildingbox Ltd Unit 15-16 Highlode Industrial Estate Ramsey, Cambridgeshire PE26 2RB UNITED KINGDOM Telephone : +44 (0)1487 813447 E-mail address : [email protected] 1.4 Emergency telephone number Emergency Phone # : +44 (0)1487 813447 2. HAZARDS IDENTIFICATION 2.1 Classification of the substance or mixture Classification according to Regulation (EC) No 1272/2008 [EU-GHS/CLP] H224 Flammable liquids (Category 1), H302 Acute toxicity, Oral (Category 4), H312 Acute toxicity, Dermal (Category 4), H350 Carcinogenicity (Category 1B), H402 Hazardous to the aquatic environment, acute toxicity (Category 3), H412 Chronic aquatic toxicity (Category 3), Specific target organ toxicity - single exposure (Category 3), Central nervous system 2.2 Label elements Labelling according Regulation (EC) No 1272/2008 [CLP] Pictogram Signal word Danger Hazard statement(s) EUH066 Repeated exposure may cause skin dryness or cracking. H224 Extremely flammable liquid and vapour. H319 Causes serious eye irritation. H336 May cause drowsiness or dizziness. H302 + H312 + H332 Harmful if swallowed, in contact with skin or if inhaled H350 May cause cancer.
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Activation of Thin Film Cdte Solar Cells Using a Cadmium Bromide Treatment R.C.Greenhalgh1 , A
View metadata, citation and similar papers at core.ac.uk brought to you by CORE provided by Loughborough University Institutional Repository Activation of Thin Film CdTe Solar Cells Using a Cadmium Bromide Treatment R.C.Greenhalgh1 , A. Abbas1, A. H. Munshi2, T. M. Shimpi2, K.L.Barth2, W. S. Sampath2 J. W. Bowers1 and J. M. Walls1 1 CREST, Loughborough University, Loughborough, United Kingdom, LE11 3TU 2 NSF I/UCRC for Next Generation Photovoltaics, Colorado State University, Fort Collins, CO 80526 United States Abstract — The activation of CdTe with a cadmium chloride toxicity of CdF2 this is unsafe and unlikely to be scalable annealing treatment is a vital step in the fabrication of high industrially. efficiency solar cells. Thin film MZO/CdTe cells have been Electrically, the chlorine has been theorized to make the activated using CdBr2 instead of CdCl2 with a lower activation process temperature. Using this method, CdBr2 does activate the grain boundaries less p-type than the grain bulk [8]. This cell as revealed by J-V and EQE measurements. TEM and EDX improves carrier collection as grain boundaries may act as a elemental maps from device cross-sections confirm that bromine segregated conduction pathway for electrons due to local is present in the grain boundaries. TEM shows that the electric fields [4]. However, the predominant effect of treatment removes stacking faults at 425 °C. CdBr2 treatment resulted in a relatively modest conversion efficiency of 5.49% chlorine is passivation of dangling bonds at grain boundaries when treated at 375 °C. Nevertheless, the experiments shed and removal of planar defects[3], [9].
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Maine Remedial Action Guidelines (Rags) for Contaminated Sites
Maine Department of Environmental Protection Remedial Action Guidelines for Contaminated Sites (RAGs) Effective Date: May 1, 2021 Approved by: ___________________________ Date: April 27, 2021 David Burns, Director Bureau of Remediation & Waste Management Executive Summary MAINE DEPARTMENT OF ENVIRONMENTAL PROTECTION 17 State House Station | Augusta, Maine 04333-0017 www.maine.gov/dep Maine Department of Environmental Protection Remedial Action Guidelines for Contaminated Sites Contents 1 Disclaimer ...................................................................................................................... 1 2 Introduction and Purpose ............................................................................................... 1 2.1 Purpose ......................................................................................................................................... 1 2.2 Consistency with Superfund Risk Assessment .............................................................................. 1 2.3 When to Use RAGs and When to Develop a Site-Specific Risk Assessment ................................. 1 3 Applicability ................................................................................................................... 2 3.1 Applicable Programs & DEP Approval Process ............................................................................. 2 3.1.1 Uncontrolled Hazardous Substance Sites ............................................................................. 2 3.1.2 Voluntary Response Action Program
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Chemical Names and CAS Numbers Final
Chemical Abstract Chemical Formula Chemical Name Service (CAS) Number C3H8O 1‐propanol C4H7BrO2 2‐bromobutyric acid 80‐58‐0 GeH3COOH 2‐germaacetic acid C4H10 2‐methylpropane 75‐28‐5 C3H8O 2‐propanol 67‐63‐0 C6H10O3 4‐acetylbutyric acid 448671 C4H7BrO2 4‐bromobutyric acid 2623‐87‐2 CH3CHO acetaldehyde CH3CONH2 acetamide C8H9NO2 acetaminophen 103‐90‐2 − C2H3O2 acetate ion − CH3COO acetate ion C2H4O2 acetic acid 64‐19‐7 CH3COOH acetic acid (CH3)2CO acetone CH3COCl acetyl chloride C2H2 acetylene 74‐86‐2 HCCH acetylene C9H8O4 acetylsalicylic acid 50‐78‐2 H2C(CH)CN acrylonitrile C3H7NO2 Ala C3H7NO2 alanine 56‐41‐7 NaAlSi3O3 albite AlSb aluminium antimonide 25152‐52‐7 AlAs aluminium arsenide 22831‐42‐1 AlBO2 aluminium borate 61279‐70‐7 AlBO aluminium boron oxide 12041‐48‐4 AlBr3 aluminium bromide 7727‐15‐3 AlBr3•6H2O aluminium bromide hexahydrate 2149397 AlCl4Cs aluminium caesium tetrachloride 17992‐03‐9 AlCl3 aluminium chloride (anhydrous) 7446‐70‐0 AlCl3•6H2O aluminium chloride hexahydrate 7784‐13‐6 AlClO aluminium chloride oxide 13596‐11‐7 AlB2 aluminium diboride 12041‐50‐8 AlF2 aluminium difluoride 13569‐23‐8 AlF2O aluminium difluoride oxide 38344‐66‐0 AlB12 aluminium dodecaboride 12041‐54‐2 Al2F6 aluminium fluoride 17949‐86‐9 AlF3 aluminium fluoride 7784‐18‐1 Al(CHO2)3 aluminium formate 7360‐53‐4 1 of 75 Chemical Abstract Chemical Formula Chemical Name Service (CAS) Number Al(OH)3 aluminium hydroxide 21645‐51‐2 Al2I6 aluminium iodide 18898‐35‐6 AlI3 aluminium iodide 7784‐23‐8 AlBr aluminium monobromide 22359‐97‐3 AlCl aluminium monochloride
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Cadmium Halide Complexes and Anion Exchange Equilibria. Edward Lyndol Harris Louisiana State University and Agricultural & Mechanical College
Louisiana State University LSU Digital Commons LSU Historical Dissertations and Theses Graduate School 1961 Cadmium Halide Complexes and Anion Exchange Equilibria. Edward Lyndol Harris Louisiana State University and Agricultural & Mechanical College Follow this and additional works at: https://digitalcommons.lsu.edu/gradschool_disstheses Recommended Citation Harris, Edward Lyndol, "Cadmium Halide Complexes and Anion Exchange Equilibria." (1961). LSU Historical Dissertations and Theses. 669. https://digitalcommons.lsu.edu/gradschool_disstheses/669 This Dissertation is brought to you for free and open access by the Graduate School at LSU Digital Commons. It has been accepted for inclusion in LSU Historical Dissertations and Theses by an authorized administrator of LSU Digital Commons. For more information, please contact [email protected]. This dissertation has been 61-5141 microfilmed exactly as received HARRIS, Edward Lyndol, 1933- CADMIUM HALIDE COMPLEXES AND ANION EXCHANGE EQUILIBRIA. Louisiana State University, Ph.D., 1961 Chemistry, inorganic University Microfilms, Inc., Ann Arbor, Michigan CADMIUM HALIDE COMPLEXES AND ANION EXCHANGE EQUILIBRIA A Dissertation Submitted to the Graduate Faculty of the Louisiana State University and Agricultural and Mechanical College in partial fulfillment of the requirements for the degree of Doctor of Philosophy in The Department of Chemistry by Edward Lyndol Harris B .A ., Me Murry College* 1956 M.S., Louisiana State University, 1958 June, 1961 ACKNOWLEDGMENT The author wiehea to gratefully acknowledge the advice and aeaietance given to him on numeroua occaeione by Profeaeor Maurice M. Vick, who directed thie work. ii TABLE OF CONTENTS Page INTRODUCTION . ............................................................................... 1 EXPERIMENTAL PROCEDURES ............................................................. 8 Reagents and Analytical M eth o d.............................. s 8 Equilibrium Determinations ........... 9 Resin Volume D eterm inations...................................
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Safety Data Sheet
SAFETY DATA SHEET Creation Date 27-Aug-2013 Revision Date 13-Mar-2018 Revision Number 1 SECTION 1: IDENTIFICATION OF THE SUBSTANCE/MIXTURE AND OF THE COMPANY/UNDERTAKING 1.1. Product identification Product Description: Cadmium bromide hydrate Cat No. : 44498 CAS-No 7789-72-6 EC-No. 232-165-1 Molecular Formula Br2 Cd Reach Registration Number - 1.2. Relevant identified uses of the substance or mixture and uses advised against Recommended Use Laboratory chemicals. Uses advised against No Information available 1.3. Details of the supplier of the safety data sheet Company Alfa Aesar . Avocado Research Chemicals, Ltd. Shore Road Port of Heysham Industrial Park Heysham, Lancashire LA3 2XY United Kingdom Office Tel: +44 (0) 1524 850506 Office Fax: +44 (0) 1524 850608 E-mail address [email protected] www.alfa.com Product Safety Department 1.4. Emergency telephone number Call Carechem 24 at +44 (0) 1865 407333 (English only); +44 (0) 1235 239670 (Multi-language) SECTION 2: HAZARDS IDENTIFICATION 2.1. Classification of the substance or mixture CLP Classification - Regulation (EC) No 1272/2008 Physical hazards Based on available data, the classification criteria are not met Health hazards Acute oral toxicity Category 4 (H302) Acute dermal toxicity Category 4 (H312) Acute Inhalation Toxicity - Dusts and Mists Category 4 (H332) ______________________________________________________________________________________________ ALFAA44498 Page 1 / 10 SAFETY DATA SHEET Cadmium bromide hydrate Revision Date 13-Mar-2018 ______________________________________________________________________________________________
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Nomenclature Practice Sheet
Nomenclature Key C2WS6K By: Dr. Robert Belford 1) aluminum nitride AlN 24) diboron hexafluoride B2F6 2) aluminum carbonate Al2(CO3)3 25) tin (IV) fluoride SnF4 3) aluminum bicarbonate Al(HCO3)3 26) tin (II) fluoride SnF2 4) nitrogen dioxide NO2 27) tin (IV) sulfide SnS2 5) zinc sulfate ZnSO4 28) tin (II) sulfide SnS 6) zinc sulfide ZnS 29) nitrogen trichloride NCl3 7) zinc phosphate Zn3(PO4)2 30) manganese (II) sulfide MnS 8) carbon tetrachloride CCl4 31) manganese (II) sulfate MnSO4 9) sodium hydroxide NaOH 32) manganese (II) phosphate 10) barium hydroxide Ba(OH)2 Mn3(PO4)2 11) titanium (II) cyanide Ti(CN)2 33) manganese (II) nitrate Mn(NO3)2 12) cadmium iodide CdI2 34) vanadium (V) oxide V2O5 13) cadmium acetate Cd(CH3CO2)2 35) molybdenum (VI) sulfide MoS3 14) cadmium bromide CdBr2 36) silver phosphide Ag3P 15) cadmium nitrate Cd(NO3)2 37) mercury (II) oxide HgO 16) cadmium sulfide CdS 38) chromium (III) bromide CrBr3 17) phosphorus pentachloride PCl5 39) chromium (III) nitrate Cr(NO3)3 18) iron (II) sulfide FeS 40) sulfur dichloride SCl2 19) iron (II) sulfate FeSO4 41) magnesium sulfide MgS 20) iron (III) sulfate Fe2(SO4)3 42) magnesium sulfate MgSO4 21) iron (III) nitrate Fe(NO3)3 43) cobalt (III) carbonate Co2(CO3)3 22) magnesium nitride Mg3N2 44) cobalt (III) phosphide CoP 23) magnesium nitrate Mg(NO3)2 Write formulas from the following names: 1) Ni(NO3)3 nickel (III) nitrate 2) NiCl3 nickel (III) chloride Nomenclature Key C2WS6K By: Dr. Robert Belford 3) Mn(OH)2 manganese (II) hydroxide 28) Al(CN)3 aluminum cyanide 4) Hg(CN)2 mercury
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Draft Chemicals (Management and Safety) Rules, 20Xx
Draft Chemicals (Management and Safety) Rules, 20xx In exercise of the powers conferred by Sections 3, 6 and 25 of the Environment (Protection) Act, 1986 (29 of 1986), and in supersession of the Manufacture, Storage and Import of Hazardous Chemical Rules, 1989 and the Chemical Accidents (Emergency Planning, Preparedness and Response) Rules, 1996, except things done or omitted to be done before such supersession, the Central Government hereby makes the following Rules relating to the management and safety of chemicals, namely: 1. Short Title and Commencement (1) These Rules may be called the Chemicals (Management and Safety) Rules, 20xx. (2) These Rules shall come into force on the date of their publication in the Official Gazette. Chapter I Definitions, Objectives and Scope 2. Definitions (1) In these Rules, unless the context otherwise requires (a) “Act” means the Environment (Protection) Act, 1986 (29 of 1986) as amended from time to time; (b) “Article” means any object whose function is determined by its shape, surface or design to a greater degree than its chemical composition; (c) “Authorised Representative” means a natural or juristic person in India who is authorised by a foreign Manufacturer under Rule 6(2); (d) “Chemical Accident” means an accident involving a sudden or unintended occurrence while handling any Hazardous Chemical, resulting in exposure (continuous, intermittent or repeated) to the Hazardous Chemical causing death or injury to any person or damage to any property, but does not include an accident by reason only
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Metal Halide Coordination Compounds with 4(3H)- Quinazolinone
Metal halide coordination compounds with 4(3H)- quinazolinone Kambarali Turgunov 1,2*, Ulli Englert3 1 Institute of Chemistry of Plant Substances, Academy of Sciences of Uzbekistan, Mirzo Ulugbek Str.77, 100170 Tashkent, Uzbekistan; 2 Turin Polytechnic University in Tashkent, Kichik Khalka yuli str., 17, 100095 Tashkent, Uzbekistan; 3 RWTH Aachen University, Institute of Inorganic Chemistry, Landoltweg 1, 52074 Aachen, Germany. * Corresponding author: [email protected] 1 Abstract 4(3H)-Quinazolinone may act as ligand for metal ions in different coordination modes – coordinating through nitrogen atom para to the quinazolinone oxygen atom (mode 1), or through nitrogen atom ortho to the quinazolinone oxygen atom (mode 2), after hydrogen atom migration (tautomerization). Earlier crystal structural investigations have shown that in the reaction of cadmium chloride or bromide with 4(3H)- quinazolinone, this ligand interacts with Cd(II) cations via para nitrogen atoms (mode 1), and the octahedral coordination around the metal is completed by two ligands in a trans axial geometry. New cadmium(II) and mercury(II) coordination polymers were obtained via reaction of 4(3H)-quinazolinone with CdBr2 and HgCl2, respectively. Single crystal X-ray structural analysis reveals that coordination compounds crystallize in monoclinic P21/c and triclinic P-1 space groups, featuring halide-bridged 1D chain polymers based on momonuclear [M(X)2(L)] subunits ((M = Cd, Hg, X = halide ion and L = 4(1H)-quinazolinone). Each metal ion is coordinated to one quinazolinone ligand, via the nitrogen atom ortho to the quinazolinone oxygen atom, with similar coordination geometries for metal ions in both coordination polymers. Keywords: 4(3H)-quinazolinone; crystal structure; cadmium coordination polymer.
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