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MATERIAL SAFETY DATASHEET U.S.-

EFFECTIVEDATE: August 1,1993

Product Name: GERSTLEY BORATE MANUFACTURER: U.S. Borax Inc.. Grades: Technical 26877 Tourney Rd. ChemicalFormula: Mixture of Ca2B,O" . SH2O1 Valencia,CA 91355 "Formerty United States Borax& Cherricalí COfpx-ation Na2O'2CaO'SB2O,' 1~~O Mixture of Colemanite and Chemical Name/Synonyms: EMERGENCY PHONE NIUMBERS: Ulexite 24 Hr. Info. Service: (800) 228--5635 EXT. 144 Chemical Family: Inorganic Borates CHEMTREC: (800) 424-9300 CAS Registry Numbers: 12007-56-6 and 1319-33-1

==- This produd. is oom~ed of a mOOureof the minerals Coleman- material contains approximately28.~ BarK: (82°3), 5.3% ite (Ca28.0,,'SH2O) and Ulexite(Na2O.2CaO.S82O3-16H2O)- Oxide (Na2O),20.6% Calcium oxide (CaO) arKI25% water This of crystallization.

EMERGENCY OVERVIEW: Inaestion: Productscontaining Gerstley Borate are !!Q! GersUey8

. Inhalation: No specifictreatment is necessarysince NOTE TO PHYSICIANS: O~ only is required for aduI ingestion GerstleyBorate is not likely to be hazardousby Inhalation. of a few grams of Gerstiey Borate. For ingestion of largeramounts, Prolongedexposure to dust levelsin excessof regulatory malntai1 adequate kidney function a1d force nuids. Gastric lavage is limits should always be avoided. recommeOOedfor symptomatic patients on¥. Hemodialysis should be reserved for massive acute ingestion or patients w1ti1renal failure. Eve Contact: Use eye wash fountainor freshwater to analyses of urine or ~ are only useful for dcx:umenting~ and cleanseeye. If irritation persistsfor more than 30 minutes, should r.:Jtbe used to evaluate severty of poisoning or to guidetreatment seek medical attention. (Further Information: Ljtovttz T.L., Norman. S.A., Veftri, J. C.. Annual Skin Contact: Notreatment necessary because non-irritating. Repa't d the Amencan Association of Pason corwra Ceners Data InQestion: Swallowingless than one teaspoonwill causeno CoIJedix1 System. Am. J. Emerg. Med. 1986: 4:427-458). 24 hour hannto healthyadults. If larger amountsare swaliCNIed.give Medical consultaticx1is available at (600) 226-5635 00. 1~. two glasses of water to drink and seek medicalattention.

~2143 01993 U.S. Bcxax Inc. - General Hazard: None, becauseGerstJey Borate is not Extlnauishina Media: Any fire extinguishingmedia nammable,combustible or explosive. The product ISitself a may be used on nearby fires. flame retardant. Flammability Classification '29 CFR 1910.12001: Non-flammablesolid.

General: Excessiveamounts of GerstleyBorate releasedto contamination of surroundingwaters dependingon the the environmentmay causedamage to trees or veget8tion quantitydissolved in these waters. At high concentrations by root absorption. (Referto EcologicalInformation Section some damageto local vegetation,fish and other aquaticlife 12 for specific information). may be expected.(Refer to Sections 12, 13 and 15 for land Spill: Vacuum,shovel or sweepup GerstleyBorate additionalinformation). and place in containersfor disposalin accordancewith applicablelocal regulations. Avoid contaminationof water GerstJeyBorate is a non-hazardouswaste when spilledor bodiesduring dean up and disposal. The use of eye goggles disposedof, as defined in the ResourceConservation and is recommendedduring the dean up of spills. RecoveryAct (RCRA) regulations(40 CFR 261). (Referto Water Spill: GerstleyBorate will cause localized RegulatoryInformation Section 15 for additionalreferences and informationregarding EPA and California regulations.)

Storaoe Temoerature: Ambient General: Avoid contact with eyes and wash thoroughlyafter handling. Dry indoor storage is recommended.Good StoraGePressure: Atmospheric housekeepingprocedures should be followedto minimize dust generationand accumulation. Special Sensitivitv: Moisture (Caking)

Enaineerina Controls: Use local exhaustventilation to Occupational ExDOsureLimits: keep airborneconcentrations of Gerstley Boratedust below GerstleyBorate is listed/regulatedby OSHA, Cal OSHAand permissibleexposure levels. ACGIH as -Particulate Not OtherwiseClassified" or -Nui- Personal Protection: Where airborneconcentrations are sanceDust - expectedto exceedexposure limits, NIOSH/MSHAcertified OSHA: PEL. - 15 mg/m3totaldust and respiratorsmust be used. Eye gogglesand gloves are 5 mg/m3respirable dust recommended,especially in excessivelydusty environments ACGIH:TL v- 5 mg/m3 Cal OSHA: PEL. 5 mg/m3

. PEL = .Pem1issible Exposure Limit" - TL V = "Threshold Limit Value" - . - -- ~------

Appearance: Grey-WhiteMineral (Ore) Viscosity: Not applicable Bulk Density: 49-62 Ibs./ft3 Boiling Point Not applicable Vapor Pressure Negligible@ 200C Flash Point: None

General: Gerstley Borate is a stable product. or alkali metals WIll generate gas which could create Incompatible Materials and Conditions to Avoid: an explosive hazard. Reactionwith strong reducingagents such as metalhydrldes Hazardous Decomoosition: None

2- U.S. BORAX INC 25-8(}.2143 INGESTION (ACUTE ORAL TOXICITY): Low aCtrte oral Reoroductlve Toxicitv (Fertility): Diaary BarK:Acd IeY8sof toxicity; LD~ of GersUeyBorate in rats is expectedto be 6,700 ppm in d1rooic feeding studies in rats and dogs produced greaterthan 5000 mgJ1

NOTE: GerstIeyBorate is chemally ~ t~1!y similarto In a r~oduction study on rats, 2000 ppm of dietary Boric Add- the ccm~ ~e chemical.Boric Ackj. The maj«ity at the borate had no adve-se effed on lactation, 1~8"size, weight and awear- ch~ toxk:oiogystudies were cond~ed on BOI'icAckj. ance [Weir, FlSh8",1972]. In a continuous breedingstudy in mK:eth8"8 was a redudion in fertility rates for males receiving INHAlATJON: Human epidOO1iaogicaJ studies stK1N no 4500 ppm (636 mgl1sswas noted at dietary Boric Acid levels of 2000 ppm production,causes testicular atrophy,and, when givento (452mg/kg/d) and above. Malformatk)ns(agenesis or shortening pregnantanimals during gestation.may cause developmen- of the thirteenthrib) ~ seenat 4000ppm (1003mg/kg/d), tal changes. Thesefeed studieswere conductedunder [4Heindelet al., 1992]. chronic exposureconditions leading to doses many times in excessof those that could occur throughinhalation of dust in I [Weir, R.J. and Fisher, R.S., Toxicol.Appl. Pharmacol., occupationalsettings. 23:351-364(1972)] 2 [NationalToxicology Program (NTP) - TechnicalReport SeriesNo. TR324, NIH PublicationNo. 88-2580(1987), PB88-213475/XAB] 3 [Fail et al., Fund. Appl. Toxicol.1l, 225-239(1991)] 4 fHeindeiet al., Fund,_~I. Toxicol. 18,266-277 (1992\1

ECOTOXICITYDATA: Goldfish (Carassiusauratus) Phvtotoxicitv: Althoughboron is an essentialmicronutrient 7-day NOEC-LOEC=26.50mg B/L for healthygrowth of plants, it can be harmfulto boron- 3-day LCso=178mg B/L sensitiveplants in higher quantities. Plantsand trees can easily be exposedby root absorptionto toxic levelsof boron Invertebrate Toxicity: The acute toxicity (48-hourLC!O) to In the form of water-solubleborate leachedinto nearbysoil or Daphnids(DaDhnia maana Straus) in naturalwater is reportedt waters. Care should be taken not to exceedrecommended be 133 mg 8/L (added as Boric Acid). Estimatedchronic toxicity applicationrates. (21-dayNOEC-LOEC) values of 6-13 mg BIL (addedas Boric Fish Toxicitv: Boron naturally occurs in seawaterat an Acid) have also been reported. averageconcentration of 5 mg 8/liter. In laboratorystudies the acute toxicity (96-hr LCso)for under-yearlingCoho ENVIRONMENTAL FATE DATA: salmon (Onchorhvnchuskisutch) in seawaterwas deter- Persistence/Deoradation: Boron is naturally occurringand mined as 40 mg 8/l (added as sodium metaborate). ubiquitousin the environment. Gerstley Borate decomposes In the environment to natural borate. Boron concentrations in fresh surface waters are generally less than 1 mg B/L. Laboratory studies on the toXIcity of Soil Mobilitv: The product is soluble in water and is leachable freshwater fish were determined using early life (embryo- through normal 5011. larval) stages in natural water and Boric Acid as a test substance. The results were: NOTE: Boron (B) is the elementin Gerstley Boratewhich is usedto characterizeborate product ecologicaleffects. Rainbowtrout (S. gairdneri) 24-day LC50=150.0mg B/L 36-day NOEC-lOEC=O.75-1mg B/L

U.S. BORAX INC. 25-80-21 43 -3- Disoosal Guidance: Small quantitiesof GerstleyBorate sent to landfills. Such product should, if possible,be r. can usually be disposedof at MunicipalLandfill sites. No used for an appropriateapplication. special disposaltreatment is required.but refer to state and RCRA(40 CFR 261\: Gerstley Borate is !12!listed under local regulationsfor applicablesite-specific requirements. any sectionsof the FederalResource ConsefVation and Tonnagequantities of produd are not recommendedto be RecoveryAct (RCRA).

Referto Section 15 for additional regulatoryinformation

.. DOT Hazardous Material Classification: GerstleyBorate BorateGranular is ~ a DOT HazardousSubstance. is ~ a U.S. Departmentof Transportation(DOT) Hazardous International TransDOrtation: GerstleyBorate has no U.N. Material. Number,and is Q.21regulated under internationalrail, highway, DOT Hazardous Substances Classiflc3tion: Fertilizer water or air transport regulations.

TSCA No.: Colemaniteappears on the EPA TSCA inven- (b) It is!!Q1on the Section 307 Ust of Priority Pollutants. tory list underthe CAS No. 12007-56-8. 33 USC 1317,40 CFR 129. RCRA: GerstleyBorate is n.Qtlisted as a hazardouswaste (c) It is!!Q1on the Section 311 List of Hazardous under anyseaions of the ResourceConservation and Substances.33 USC 1321, 40.CF-R118.- -,-, -- RecowryAd or regtiations(40 CFR261 «: seq.). SuDerfund: CERClA/SARA GerstleyBorate is !!21listed OSHA/Cal OSHA: This MSDS documentmeets the require- under CERCLA(the ComprehensiveEnvironmental Re- ments of both OSHA (29 CFR 1910.1200) and Cal OSHA (Title ~ponseCompensation and LiabilityAct) or its 1986 amend- CCR 5194(g» hazard communication standards. Refer to ments, SARA,(the SuperfundAmendments and Reauthori- Section 8 for regulatory exposure limits. zation Act), including substanceslisted underSection 313 of ~ The International Agency for Research on Cancer SARA, Toxic Chemicals,42 USC 11023,40 CFR 372.65; (of the World Health Organization) does n2! list or Section 302 of SARA, ExtremelyHazardous Substances, 42 categorize Gerstley Borate as a carcinogen. USC 11002.40 CFR 355; or the CERCLAHazardous NTP Annual Reoort on Carelnoaens: FertilizerBorate Substanceslist, 42 USC 9604, 40 CFR 302. Granularis n2! listed. Safe Drinklna Water Act: GerstteyBorate is n,Q!.regulated OSHA CarcinOGen: Gerstley Borate is n2! listed. under the SDWA, 42 USC 300g-1,40 CFR 141 et seq. CaliforniaProoosition 65: GerstleyBorate is !!.21 Consult state and local regulationsfor possiblewater quality listed on any Proposition 65 lists of carcinogens or reproductive advisoriesregarding boron. toxicants. Clean Water Act (Federal Water Pollution Control Act': 33 USC 1251 et seq. (a) GerstleyBorate is !!21itself a discharge coveredby any water quality criteriaof Section304 of the CWA, 33 USC 1314.

--- - ~ - Product Label Text Hazard Information: Hazardous Materials Information Systems (HMIS): . May be harmful if swallowed. Red: (Flammability) 0 . May cause reproductiveharm or birth defects Yellow: (Reactivity) 0 basedon animal data. Blue: (Acute Health) O' . Avoid contaminationof food or feed. . Not for food. drug or pesticidaluse. .Chronic Effects . Referto MSDS. . KEEPOUT OF REACHOF CHILDREN.

National Fire Protection Association (NFPA) Contact U.S. Borax Inc. Classification: Occupational Health & Health 0 Product Safety Department Flammability 0 Reactivity 0 for further information: (805) 287-6050

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