Section 1: Product Identification
Chemical Name: Tungsten boride (99.5%-W) (W2B)
CAS Registry Number: 12007-10-2
Formula: W2B
EINECS Number: none
Chemical Family: metal borides and carbides
Synonym: Ditungsten boride
Section 2: Composition and Information on Ingredients
Ingredient CAS Number Percent ACGIH (TWA) OSHA (PEL)
Title compound 12007-10-2 100% 5mg/m3 (as W - insoluble) no data
Section 3: Hazards Identification
Emergency Overview: Inhalation hazard as a fine dust or fume.
Primary Routes of Exposure: Ingestion, inhalation.
Eye Contact: May cause slight to mild irritation of the eyes.
Skin Contact: May cause slight to mild irritation of the skin.
Inhalation: Dust may be irritating to the nose, mucous membranes and respiratory tract.
Ingestion: No information on the physiological effects of ingestion.
Acute Health Affects: Dust may be irritating to the nose, mucous membranes and respiratory tract.
Chronic Health Affects: No information available on the effects of long-term exposure.
NTP: No
IARC: No
OSHA: No
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 in
Inhalation:
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.
SECTION 5: Fire Fighting Measures
Flash Point: no data
Autoignition Temperature: no data
Explosion Limits: no data
Extinguishing Medium: dry chemical, carbon dioxide, or foam.
If this product is involved in a fire, fire fighters should be equipped with a NIOSH approved positive pressure
Special Fire Fighting Procedures:
self-contained breathing apparatus and full protective clothing.
Hazardous Combustion and If involved in a fire this material may emit irritating dusts.
Decomposion Products:
Unusual Fire or Explosion Hazards: No unusual fire or explosion hazard.
SECTION 6: Accidental Release Measures
Spill and Leak Procedures: Sweep up the material and dispose of properly.
SECTION 7: Handling and Storage
Handling and Storage: Store the material in a sealed container.
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 appropriate chemical resistant gloves and clothing.
Ventilation: Material may form a fine dust. If possible, handle the material in an efficient fume hood.
If in form of fine dust and ventilation is not available a respirator should be worn. The use of respirators
Respirator:
requires a Respirator Protection Program to be in compliance with 29 CFR 1910.134.
Ventilation: Material may form a fine dust. If possible, handle the material in an efficient fume hood.
Additional Protection: No additional protection required.
SECTION 9: Physical and Chemical Properties
Color and Form: -325 mesh blk pwdr (10 micron or less avg. particle size)
Molecular Weight: 194.66
Melting Point: no data
Boiling Point: no data
Vapor Pressure: no data
Specific Gravity: no data
Odor: none
Solubility in Water: insoluble
SECTION 10: Stability and Reactivity
Stability: air and moisture stable
Hazardous Polymerization: No hazardous polymerization.
Conditions to Avoid: none
Incompatibility: none
Decomposition Products: none
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
SECTION 12: Ecological Information
Ecological Information: No information available
SECTION 13: Disposal Considerations
Disposal: Dispose of according to local, state and federal regulations.
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
SECTION 15: Regulatory Information
TSCA: Listed in the TSCA inventory.
SARA (Title 313): Title compound not listed.
Second Ingredient: none
SECTION 16 - ADDITIONAL INFORMATION
N/A
