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1、Material Safety Data Sheet Barium CarbonateSuppliers Name: Westco Chemicals, Inc.Address: 12551-61 Saticoy Street SouthNorth Hollywood, CA 9160Telephone: 818-255-3655 or 323-877-0077EMERGENCY TELEPHONE NUMBER: 800-424-9300 CHEMTREC1. IdentificationProduct Name: Barium Carbonate Chemical Name: Barium
2、 Carbonate Formula: BaCO3 Molecular Weight: 197.35 CAS No.: 513-77-92. Composition / Information on IngredientsChemical Name: Barium Carbonate CAS #: 513-77-9 ACGIH TLV: 0.5 mg/m for soluble Barium compounds as Barium (0.74 mg/m as BaCO3).(1992-1993)3. Hazard IdentificationRoute of Exposure: Ingesti
3、on, Inhalation, Skin or EyeSkin: Barium is not likely to penetrate intact skin; penetration through cuts may causesymptoms of over-exposure. A slight irritation may result from the alkaline nature of theproduct.Eye: Particles in the eye may cause pain, tearing and irritation.4. First Aid MeasuresInh
4、alation: Flush mouth and nasal passages with water. Have victim drink solution of 1 Tablespoon of Epson Salt (Magnesium Sulfate) or Glaubers Sulfate (Sodium Sulfate) dissolved in water. Call for medical attention.Eyes: Flush eyes with water until irritation subsides. Get medical attention if necessa
5、ry.12551-61 Saticoy Street South - North Hollywood, CA 91605 12551-61 Saticoy Street South - North Hollywood, CA 91605 12551-61 Saticoy Street South - North Hollywood, CA 91605 12551-61 Saticoy Street South - North Hollywood, CA 91605 TEL:323- 877-0077 818-255-3655 FAX: 818-255-3650TEL:323- 877-0077
6、 818-255-3655 FAX: 818-255-3650TEL:323- 877-0077 818-255-3655 FAX: 818-255-3650TEL:323- 877-0077 818-255-3655 FAX: 818-255-3650Data SheetWestco Chemicals, Inc.Westco Chemicals, Inc.Westco Chemicals, Inc.Westco Chemicals, Inc.Skin: Wash with water and soap is available. Remove contaminated clothing a
7、nd washbefore re-use.Ingestion: Have victim drink solution of 1 Tablespoon of Epson Salt (Magnesium Sulfate) orGluabers Sulfate (Sodium Sulfate) dissolved in water. Induce vomiting if victim is completely conscious. Call for medical attention.Regulatory / Carcinogenicity: Barium carbonate is not con
8、sidered carcinogenic (1993study of Barium Chloride showed no evidence).Medical Conditions Aggravated by Exposure: Acute over-exposure will cause severe abdominal pain, violent purging with watery bloody stools, vomiting, muscle twitchingand confusion, followed by muscle paralysis of the respiratory
9、muscles, which may befatal.5. Fire Fighting MeasuresCommon Extinguishing Methods: Foam or WaterInappropriate Extinguishing Methods: NASpecific Hazards: Will decompose releasing Carbon Dioxide gas at extremely high temperatures.Protective Measures in case of Intervention: NAOther Precautions: Limit w
10、ater runoff if it is likely to contain suspended product.6. Accidental Release MeasuresTry to keep material dry. Prevent runoff from entering sewers or ditches connected with naturalwaterways. Dispose of appropriately in compliance with local, state and federal laws andregulations.7. Handling and St
11、orageGeneral storage conditions are not critical. Keep material dry. Store separate from acids.Emptied containers may present a toxic hazard. Treat or dispose of empty containersin compliance with local, state and federal laws and regulations.8. Exposure Controls / Personal ProtectionEngineering Con
12、trols: Control airborne concentrations below the exposure limit. Use only withadequate ventilation.Respiratory Protection: Use NIOSH approved dust mask.Hand Protection: Wear impervious gloves.Eye Protection: Wear safety glasses. Use chemical goggles if excessive dust is present.Skin Protection: Cove
13、r exposed skin areas.9. Physical and Chemical PropertiesAppearance: Solid, white powder or granulesOdor: Usually odorlesspH: 9 (measures in a 1% suspension in water)Boiling Point / Range : NAMelting Point / Range: 1400 C (2552F) - near decomposition temperature.Flash Point: NAFlammability: NALower L
14、imit: NAUpper Limit: NAAutoignition Temperature: NADanger of Explosion: NACombustible Characteristics: NAVapor Pressure: NAVapor Density (air=1): 4.3Specific Gravity (H2O=1): NASolubility:Water Solubility: 0.02g/l(Barium Chloride BaCl2 375 g/l)(Barium Sulfate BaSO4 0.002 g/l)Viscosity: NADecompositi
15、on Temperature: See Melting Point / RangePartition Coefficient p (n-octanol/water): NAOther Data: NA10. Stability and ReactivityStability: Stable under normal conditionsConditions to Avoid: HeatMaterials to Avoid: AcidsHazardous Decomposition Products: Carbon dioxide, soluble Barium salts11. Toxicological InformationAcute Toxicity: LD50-oral (rat): 630 mg/kgChronic Toxicity: Chronic over-exposure may lead to varying degrees of paralysis of theextremities. A conditions known as “Bartosis“ will be observed (x-ray of
