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Tungsten trioxide
CAS No.: 1314-35-8
Synonyms:
Formula: O3W
Exact Mass: 231.93600
Molecular Weight: 231.83800
PSA: 51.21000
LogP: -0.35640
Reference Price: $84/kg Inquiry Now
Tungsten trioxide 1314-35-8 MSDS
Name: Antimony Silicate (Tungsten Doped) Material Safety Data Sheet
Synonym: None
CAS: 1314-35-8
Section 1 - Chemical Product   MSDS Name:Antimony Silicate (Tungsten Doped) Material Safety Data Sheet
Synonym:None

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
1314-35-8 Tungsten trioxide 5 215-231-4
Hazard Symbols: XI O
Risk Phrases: 36/37/38 8

Section 3 - HAZARDS IDENTIFICATION
  EMERGENCY OVERVIEW
Irritating to eyes, respiratory system and skin. Contact with combustible material may cause fire.
Potential Health Effects
Eye:
Causes eye irritation. May cause permanent corneal opacification.
May cause chemical conjunctivitis.
Skin:
Causes skin irritation.
Ingestion:
May cause gastrointestinal irritation with nausea, vomiting and diarrhea. May cause cardiac disturbances. May cause central nervous system depression.
Inhalation:
Causes respiratory tract irritation. May cause cardiac abnormalities. Inhalation at high concentrations may cause CNS depression and asphixiation. May cause acute pulmonary edema, asphyxia, chemical pneumonitis, and upper airway obstruction caused by edema.
Chronic:
Effects may be delayed.

Section 4 - FIRST AID MEASURES
  Eyes: Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.
Skin:
Get medical aid. Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse.
Ingestion:
Never give anything by mouth to an unconscious person. Get medical aid. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water.
Inhalation:
Remove from exposure and move to fresh air immediately. If breathing is difficult, give oxygen. Get medical aid. Do NOT use mouth-to-mouth resuscitation. If breathing has ceased apply artificial respiration using oxygen and a suitable mechanical device such as a bag and a mask.
Notes to Physician:
Treat symptomatically and supportively.

Section 5 - FIRE FIGHTING MEASURES
  General Information:
As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Use water with caution and in flooding amounts. Oxidizer. Greatly increases the burning rate of combustible materials. Some oxidizers may react explosively with hydrocarbons(fuel). May accelerate burning if involved in a fire. Containers may explode when heated. Runoff from fire control or dilution water may cause pollution.
Extinguishing Media:
Contact professional fire-fighters immediately. For small fires, do NOT use dry chemicals, carbon dioxide, halon or foams. USE WATER ONLY. For large fires flood fire with water from a distance.

Section 6 - ACCIDENTAL RELEASE MEASURES
  General Information: Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks:
Clean up spills immediately, observing precautions in the Protective Equipment section. Sweep up or absorb material, then place into a suitable clean, dry, closed container for disposal. Avoid generating dusty conditions. Remove all sources of ignition. Provide ventilation. Do not use combustible materials such as paper towels to clean up spill.

Section 7 - HANDLING and STORAGE
  Handling:
Wash thoroughly after handling. Minimize dust generation and accumulation. Keep container tightly closed. Avoid contact with clothing and other combustible materials. Do not get on skin or in eyes. Avoid ingestion and inhalation. Use with adequate ventilation.
Wash clothing before reuse.
Storage:
Keep away from heat, sparks, and flame. Do not store near combustible materials. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.

Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
  Engineering Controls:
Local exhaust ventilation may be necessary to control any air contaminants to within their TLVs during the use of this product.
Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower.
Exposure Limits CAS# 1314-35-8: United Kingdom, WEL - TWA: (listed as tungsten, insoluble compoun 5 mg/m3 TWA (as W) United Kingdom, WEL - STEL: (listed as tungsten, insoluble compounds): 10 mg/m3 STEL (as W) Belgium - TWA: (listed as tungsten, insoluble compounds): 5 mg/m3 (as W) Belgium - STEL: (listed as tungsten, insoluble compounds): 10 mg/ VLE (as W) Malaysia: (listed as tungsten, insoluble compounds): 5 mg/m3 TWA W) Netherlands: (listed as tungsten, insoluble compounds): 5 mg/m3 M (as W) Russia: (listed as tungsten): 6 mg/m3 TWA Spain: (listed as tungsten, insoluble compounds): 5 mg/m3 VLA-ED W) Spain: (listed as tungsten, insoluble compounds): 10 mg/m3 VLA-EC W) CAS# 1314-60-9: United Kingdom, WEL - TWA: (listed as antimony compounds): 0.5 mg TWA (except stibine, as Sb) United Kingdom, WEL - STEL: (listed as antimony compounds): 1.5 m STEL (except stibine, as Sb) United States OSHA: 0.5 mg/m3 TWA (listed under Antimony).0.5 mg TWA (as Sb) (listed under Antimony compounds).
Belgium - TWA: (listed as antimony compounds): 0.5 mg/m3 VLE (as France - VME: (listed as antimony compounds): 0.5 mg/m3 VME (as S Germany: (listed as antimony compounds): 0.5 mg/m3 VME (as Sb) Japan: (listed as antimony compounds): 0.1 mg/m3 OEL (except stib as Sb) Malaysia: (listed as antimony compounds): 0.5 mg/m3 TWA (as Sb) Netherlands: (listed as antimony compounds): 0.5 mg/m3 MAC (as Sb Russia: 2 mg/m3 TWA Russia: (listed as antimony): 0.2 mg/m3 STEL Spain: (listed as antimony compounds): 0.5 mg/m3 VLA-ED (except antimony hydride, as Sb) CAS# 112926-00-8: Belgium - TWA: 10 mg/m3 VLE Malaysia: 10 mg/m3 TWA Spain: 10 mg/m3 VLA-ED Personal Protective Equipment Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166.
Skin:
Wear appropriate protective gloves to prevent skin exposure.
Clothing:
Wear a chemical apron. Wear appropriate clothing to prevent skin exposure.
Respirators:
Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN 149. Use a NIOSH/MSHA or European Standard EN 149 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced.

Section 9 - PHYSICAL AND CHEMICAL PROPERTIES
 
Physical State: Powder
Color: yellow-orange
Odor: no odor
pH: (5% aq. slurry):2-8
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point: > 1000 deg C
Autoignition Temperature: Not available.
Flash Point: Not available.
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water: Insoluble.
Specific Gravity/Density:
Molecular Formula: Mixture
Molecular Weight: 0

Section 10 - STABILITY AND REACTIVITY
  Chemical Stability:
Stable at room temperature in closed containers under normal storage and handling conditions.
Conditions to Avoid:
Incompatible materials, ignition sources, dust generation, excess heat, combustible materials, reducing agents.
Incompatibilities with Other Materials:
Reducing agents.
Hazardous Decomposition Products:
Irritating and toxic fumes and gases, silicon dioxide, antimony/antimony oxides.
Hazardous Polymerization: Has not been reported

Section 11 - TOXICOLOGICAL INFORMATION
  RTECS#:
CAS# 1314-35-8: YO7760000 CAS# 1314-60-9: CC6300000 CAS# 112926-00-8: VV7315000 LD50/LC50:
CAS# 1314-35-8: Oral, rat: LD50 = 1059 mg/kg.
CAS# 1314-60-9.
CAS# 112926-00-8.
Carcinogenicity:
Tungsten trioxide - Not listed by ACGIH, IARC, or NTP.
Antimony pentoxide (Sb2O5) - Not listed by ACGIH, IARC, or NTP.
Silica gel, pptd., cryst.-free, hydrated form - Not listed by ACGIH, IARC, or NTP.
Other:
See actual entry in RTECS for complete information.

Section 12 - ECOLOGICAL INFORMATION
 

Section 13 - DISPOSAL CONSIDERATIONS
  Products which are considered hazardous for supply are classified as Special Waste and the disposal of such chemicals is covered by regulations which may vary according to location. Contact a specialist disposal company or the local waste regulator for advice. Empty containers must be decontaminated before returning for recycling.

Section 14 - TRANSPORT INFORMATION
 
IATA
Shipping Name: ANTIMONY COMPOUND, INORGANIC, SOLID, N.O.S.
Hazard Class: 6.1
UN Number: 1549
Packing Group: III
IMO
Shipping Name: ANTIMONY COMPOUND, INORGANIC, SOLID, N.O.S.
Hazard Class: 6.1
UN Number: 1549
Packing Group: III
RID/ADR
Shipping Name: ANTIMONY COMPOUND, INORGANIC, SOLID, N.O.S.
Hazard Class: 6.1
UN Number: 1549
Packing group: III

Section 15 - REGULATORY INFORMATION
 
European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: XI O
Risk Phrases:
R 36/37/38 Irritating to eyes, respiratory system
and skin.
R 8 Contact with combustible material may cause
fire.
Safety Phrases:
S 26 In case of contact with eyes, rinse immediately
with plenty of water and seek medical advice.
S 37/39 Wear suitable gloves and eye/face
protection.
WGK (Water Danger/Protection)
CAS# 1314-35-8: 1
CAS# 1314-60-9: 1
CAS# 112926-00-8: 0
Canada
CAS# 1314-35-8 is listed on Canada's DSL List.
CAS# 1314-60-9 is listed on Canada's DSL List.
CAS# 112926-00-8 is listed on Canada's DSL List.
CAS# 1314-35-8 is not listed on Canada's Ingredient Disclosure List.
CAS# 1314-60-9 is not listed on Canada's Ingredient Disclosure List.
CAS# 112926-00-8 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 1314-35-8 is listed on the TSCA inventory.
CAS# 1314-60-9 is listed on the TSCA inventory.
CAS# 112926-00-8 is not on the TSCA Inventory because it is a hydrate.
It is considered to be listed if the CAS number for the anhydrous form
is on the inventory (40CFR720.3(u)(2)).


SECTION 16 - ADDITIONAL INFORMATION
N/A

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