13568-45-1 (钨酸锂,Lithium tungstate)

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Section 1: Product Identification
   Chemical Name:       Lithium tungstate, 98%    
   CAS Registry Number:       13568-45-1    
   Formula:       Li2WO4    
   EINECS Number:       236-978-2    
   Chemical Family:       metal tungstate    
   Synonym:       Tungstic acid dilithium salt    

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Section 2: Composition and Information on Ingredients
   Ingredient       CAS Number       Percent       ACGIH (TWA)       OSHA (PEL)    
   Title Compound       13568-45-1       100%       1mg/m3 (as W)       no data    

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Section 3: Hazards Identification
   Lithium in soluble form is toxic to the central nervous system and on repeated ingestion may damage kidneys
   Emergency Overview:
   and act as a teratogen
   Primary Routes of Exposure:       Ingestion    
   Eye Contact:       May cause slight to mild irritation of the eyes.    
   Skin Contact:       May cause slight to mild irritation of the skin.    
   Inhalation:       Do not breath dust. May be irritating to the nose, mucous membranes and respiratory tract.    
   Ingestion:       Ingestion may lead to dizziness, abdominal cramps, vomiting, bloody diarrhea, weakness, and convulsions.    
   Soluble lithium is toxic to the central nervous system. May be irritating to skin, eyes and respiratory tract. It is
   Acute Health Affects:
   unknown if lithium tungstate will form soluble lithium in the gastrointestinal system.
   Chronic Health Affects:       May cause kidney damage. May be a teratogen.    
   NTP:       No    
   IARC:       No    
   OSHA:       No    

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SECTION 4: First Aid Measures
   Immediately flush the eyes with copious amounts of water for at least 10-15 minutes. A victim may need
   Eye Exposure:
   assistance in keeping their eye lids open. Get immediate medical attention.
   Wash the affected area with water. Remove contaminated clothes if necessary. Seek medical assistance if
   Skin Exposure:
   irritation persists.
   Remove the victim to fresh air. Closely monitor the victim for signs of respiratory problems, such as difficulty
   Inhalation:
   in breathing, coughing, wheezing, or pain. In such cases seek immediate medical assistance.
   Seek medical attention immediately. Keep the victim calm. Give the victim water (only if conscious). Induce
   Ingestion:
   vomiting only if directed by medical personnel.

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SECTION 5: Fire Fighting Measures
   Flash Point:       not applicable    
   Autoignition Temperature:       none    
   Explosion Limits:       none    
   Extinguishing Medium:       none required    
   If involved in a fire, fire fighters should be equipped with a NIOSH approved positive pressure self-contained
   Special Fire Fighting Procedures:
   breathing apparatus and full protective clothing.
   Hazardous Combustion and       None    
   Decomposion Products:
   Unusual Fire or Explosion Hazards: No unusual fire or explosion hazards.

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SECTION 6: Accidental Release Measures
   Spill and Leak Procedures:       Small spills can be mixed with powdered sodium carbonate or ground limestone and swept up.    

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SECTION 7: Handling and Storage
   Handling and Storage:       Store material in a tightly sealed bottle away from moisture.    

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SECTION 8: Exposure Controls and Personal Protection
   Eye Protection:       Always wear approved safety glasses when handling a chemical substance in the laboratory.    
   Skin Protection:       Wear protective clothes and gloves. Consult glove manufacturer to determine the proper type of glove.    
   Ventilation:       If possible, handle the material in an efficient fume hood.    
   In the absence of adequate ventilation a respirator should be worn. The use of a respiratory requires a
   Respirator:
   Respirator Protection Program to be in compliance with 29 CFR 1910.134.
   Ventilation:       If possible, handle the material in an efficient fume hood.    
   Additional Protection:       No additional protection required.    

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SECTION 9: Physical and Chemical Properties
   Color and Form:       white to off-white powder    
   Molecular Weight:       261.73    
   Melting Point:       742°    
   Boiling Point:       no data    
   Vapor Pressure:       no data    
   Specific Gravity:       3.71    
   Odor:       none    
   Solubility in Water:       soluble    

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SECTION 10: Stability and Reactivity
   Stability:       air and moisture stable    
   Hazardous Polymerization:       no hazardous polymerization    
   Conditions to Avoid:       none    
   Incompatibility:       none    
   Decomposition Products:       none    

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SECTION 11: Toxicological Information
   RTECS Data:       No information available in the RTECS files.    
   Carcinogenic Effects:       no data    
   Mutagenic Effects:       no data    
   Tetratogenic Effects:       no data    

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SECTION 12: Ecological Information
   Ecological Information:       No information available    

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SECTION 13: Disposal Considerations
   Disposal:       Dispose of according to local, state and federal regulations.    

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SECTION 14: Transportation
   Shipping Name (CFR):       Non-hazardous    
   Hazard Class (CFR):       NA    
   Additional Hazard Class (CFR):       NA    
   Packaging Group (CFR):       NA    
   UN ID Number (CFR):       NA    
   Shipping Name (IATA):       Non-hazardous    
   Hazard Class (IATA):       NA    
   Additional Hazard Class (IATA):       NA    
   Packaging Group (IATA):       NA    
   UN ID Number (IATA):       NA    

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SECTION 15: Regulatory Information
   TSCA:       Listed in the TSCA inventory.    
   SARA (Title 313):       Title compound not listed    
   Second Ingredient:       none    

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SECTION 16 - ADDITIONAL INFORMATION
N/A