Molybdenum(VI) fluoride

  • Molybdenumhexafluoride
Formula
MoF6
Structure
Description
white cubic crystals or colorless liquid, hygroscopic

Registry Numbers and Inventories.
CAS
7783-77-9
EC (EINECS/ELINCS)
232-026-5
RTECS
QA4681450
RTECS class
Other
UN (DOT)
1760
Merck
12,6319
Beilstein/Gmelin
2674 (G)
Canada DSL/NDSL
NDSL
US TSCA
Listed
Korea ECL
Listed

Properties.
Formula
F6Mo
Formula mass
209.94
Melting point, °C
17.5
Boiling point, °C
307
Density
2.3000 g/cm3

Hazards and Protection.
Storage
Store in a cool, dry place. Store in a tightly closed container. Corrosives area. Keep away from acids. Store in metal containers.
Handling
Do not breathe dust, vapor, mist, or gas. Do not get in eyes, on skin, or on clothing. Use only in a chemical fume hood. This product may be under pressure; cool before opening. Use caution when opening.
Protection
Wear appropriate protective eyeglasses or chemical safety goggles, protective gloves and clothing to prevent exposure.
Respirators
Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.
Small spills/leaks
Absorb spill with inert material, (e.g., dry sand or earth), then place into a chemical waste container.
Incompatibilities
Strong oxidizing agents, strong reducing agents, strong acids, strong bases, glass, plastics.
Decomposition
Carbon monoxide, carbon dioxide, hydrogen fluoride.

Fire.
Fire fighting
Wear approved SCBA in full pressure-demand and full protective gear. Use dry chemical to fight fire.

Health.
Exposure effects
   Ingestion
Causes gastrointestinal tract burns. May cause severe digestive tract irritation with abdominal pain, nausea, vomiting and diarrhea. The toxicological properties of this substance have not been fully investigated.
   Inhalation
Causes chemical burns to the respiratory tract. Inhalation may be fatal as a result of spasm, inflammation, edema of the larynx and bronchi, chemical pneumonitis and pulmonary edema.
   Skin
Causes skin burns.
   Eyes
Causes eye burns.

First aid
 
   Ingestion
Do NOT induce vomiting. If victim is conscious and alert, give 2-4 cupfuls of milk or water. Get medical aid immediately.
   Inhalation
Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
   Skin
Get medical aid immediately. Immediately flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.
   Eyes
Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower lids. Get medical aid immediately.

Transport.
UN number
1760
Response guide
Hazard class
8
Packing Group
I; II; III
 
USCG CHRIS Code
xx