Molybdenum(VI) oxytetrachloride

  • Molybdenum chloride oxide (MoOCl4)
  • Tetrachlorooxomolybdenum
  • Molybdenum tetrachloride oxide
  • Molybdenum tetrachloride monoxide
  • Molybdenum oxytetrachloride
  • Molybdenum oxychloride (MoOCl4)
Formula
MoOCl4
Structure
Description
green hygroscopic powder
Uses
Catalysts.

Registry Numbers and Inventories.
CAS
13814-75-0
36/37/38
26 37/39
UN (DOT)
3260

Properties.
Formula
Cl4MoO
Formula mass
253.75
Melting point, °C
197
Boiling point, °C
97

Hazards and Protection.
Storage
Keep tightly closed. Handle and store under nitrogen. Store at 2 - 8 C.
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.
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
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.
UN number
3260
Response guide
Hazard class
8
Packing Group
III