Search for a full or partial Catalog Number, CAS Number or description
Your favorites Quick Order Form
Your cart is empty.
Home Catalog New Products Custom Synthesis & CGMP Product Resources About
Contact Strem

CAS Number: 1314-35-8
Product Catalog

74-3105
Tungsten › Tungsten(VI) oxide (99.995%-W) PURATREM
CAS Number: 1314-35-8
MDL Number: MFCD00011466
Molecular Formula: O3W
Molecular Weight: 231.85
Chemical Formula: WO3
Color and Form: yellow pwdr.
Note:  

Physical Characteristics: melting point 1473°C, density 7.16

Please log in or choose your country below to view prices.

Choose Your Country

Download This MSDS
SECTION 1: Product Identification
Chemical Name: Tungsten (VI) oxide (99.995%-W) PURATREM
Product Number: 74-3105
CAS Registry Number: 1314-35-8
Formula: WO3
EINECS Number: 215-231-4
Chemical Family: metal oxide
Synonym: Tungsten trioxide, Tungstic anhydride, Tungsten trioxide, tungstic oxide, woframite.
SECTION 2: Composition and Information on Ingredients
Ingredient CAS Number Percent ACGIH (TWA) OSHA (PEL)
Title Compound 1314-35-8 100 5mg/m3 (as W no data
SECTION 3: Hazards Identification
Emergency Overview: Inhalation hazard as a fine dust or fume. Harmful if swallowed.
Primary Routes of Exposure: Inhalation (of dust or fume), ingestion
Eye Contact: The dust may cause slight to mild irritation of the eyes.
Skin Contact: The dust may cause slight to mild irritation of the skin.
Inhalation: Hazard associated with inhalation of fine dust or fume. May be irritating to nasal cavity and respiratory tract.
Ingestion: Harmful if swallowed.
Acute Health Effects: Dust may be irritating to skin, eyes and respiratory tract.
Chronic Health Effects: Prolonged exposure to large amounts of insoluble tungsten compounds may produce Irritation of the eyes, skin, respiratory system; diffuse pulmonary fibrosis; loss of appetite, nausea, cough; and blood changes.
NTP: No
IARC: No
OSHA: No
SECTION 4: First Aid Measures
Eye Exposure: Immediately flush the eyes with copious amounts of water for at least 10-15 minutes. A victim may need assistance in keeping their eye lids open. Get immediate medical attention.
Skin Exposure: Wash the affected area with water. Remove contaminated clothes if necessary. Seek medical assistance if irritation persists.
Inhalation: Remove the victim to fresh air. Closely monitor the victim for signs of respiratory problems, such as difficulty in breathing, coughing, wheezing, or pain. In such cases seek immediate medical assistance.
Ingestion: Seek medical attention immediately. Keep the victim calm. Give the victim water (only if conscious). Induce vomiting only if directed by medical personnel.
SECTION 5: Fire Fighting Measures
Flash Point: not applicable
Autoignition Temperature: not applicable
Explosion Limits: not applicable
Extinguishing Medium: None. Material is non-flammable.
Special Fire Fighting Procedures: No special fire fighting procedures required for this material.
Hazardous Combustion and Decomposion Products: No hazardous combustion or decomposition products.
Unusual Fire or Explosion Hazards: No unusual fire or explosion hazards.
SECTION 6: Accidental Release Measures
Spill and Leak Procedures: Small spills can be mixed with vermiculite or sodium carbonate and swept up.
SECTION 7: Handling and Storage
Handling and Storage: Store in a tightly 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 protective clothing.
Ventilation: Material may form or contain a fine dust that may become airborne during handling. If possible, handle the material in an efficient fume hood.
Respirator: If handling material in the form of a fine dust and ventilation is not available, a respirator should be worn. The use of respirators requires a Respirator Protection Program to be in compliance with 29 CFR 1910.134.
Additional Protection: No additional protection required
SECTION 9: Physical and Chemical Properties
Color and Form: yellow pwdr.
Molecular Weight: 231.85
Melting Point: 1473°C
Boiling Point: no data
Vapor Pressure: no data
Specific Gravity: 7.16
Odor: none
Solubility in Water: insoluble
SECTION 10: Stability and Reactivity
Stability: air and moisture stable solid
Hazardous Polymerization: no hazardous polymerization
Conditions to Avoid: none
Incompatibility: Strong acids and strong bases, fluorine.
Decomposition Products: none
SECTION 11: Toxicological Information
RTECS Data: Oral (rat); LD50: 1059 mg/kg. Unreported (rat); LD50: 2 gm/kg. Inhalation (rat); TCLo: 490 ug/m3/24H/15W-C.
Carcinogenic Effects: No data available
Mutagenic Effects: No data available
Tetratogenic Effects: No data available
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
Third Ingredient: none
SECTION 16: Other Information
Disclaimer: The information herein is believed to be accurate and reliable as of the date compiled. However, Strem Chemicals, Inc. makes no representation, warranty, or guarantee of any kind with respect to the information contained in this document or any use of the product based on this information.
Preparation Date: 3/20/2001
Revision Date: 1/03/2011

Enter a lot number

back to search results