Tungsten(VI) oxytetrachloride

  • Tungsten oxychloride
  • Tungsten chloride oxide (WOCl4)
  • Tetrachlorooxotungsten
  • Tetrachlorooxytungsten
  • Tetrachlorotungsten oxide
Formula
Cl4OW
Structure
Description
red hygroscopic crystals

Registry Numbers and Inventories.
CAS
13520-78-0
EC (EINECS/ELINCS)
236-863-7
36/37/38
26 37/39
Korea ECL
Listed

Properties.
Formula
Cl4OW
Formula mass
341.66
Melting point, °C
209
Boiling point, °C
232

Hazards and Protection.
Storage
Keep tightly closed. Store in a cool dry place. Handle and store under nitrogen.
Protection
Compatible chemical-resistant gloves. Chemical safety goggles. Protective clothing.
Respirators
Wear appropriate government approved respirator.
Small spills/leaks
Sweep up, place in a bag and hold for waste disposal. Avoid raising dust. Ventilate area and wash spill site after material pickup is complete.
Stability
Air and moisture sensitive.
Incompatibilities
Strong oxidizing agents.
Decomposition
Hydrogen chloride gas.

Fire.
Fire fighting
Extinguish with water spray, carbon dioxide, dry chemical powder or appropriate foam. Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and eyes.
Hazards
IRRITANT. Emits toxic fumes under fire conditions.

Health.
Exposure effects
Causes eye and skin irritation. May be harmful by inhalation, ingestion, or skin absorption.
   Inhalation
Material is irritating to mucous membranes and upper respiratory tract.

First aid
 
   Ingestion
If swallowed, wash out mouth with water provided person is conscious. Call a physician.
   Inhalation
If inhaled, remove to fresh air. If not breathing give artificial respiration. If breathing is difficult, give oxygen.
   Skin
In case of contact, immediately wash skin with soap and copious amounts of water. Remove contaminated clothing and shoes. Call a physician.
   Eyes
In case of contact with eyes, flush with copious amounts of water for at least 15 minutes. Assure adequate flushing by separating the eyelids with fingers. Call a physician.

Transport.