Molybdenum carbide

  • Dimolybdenum monocarbide
Formula
Mo2C
Description
Odorless white powder.

Registry Numbers and Inventories.
CAS
12069-89-5
EC (EINECS/ELINCS)
235-115-7
Canada DSL/NDSL
NDSL
US TSCA
Listed
Austrailia AICS
Listed
Japan ENCS (MITI)
Listed
Korea ECL
Listed

Properties.
Formula
CMo2
Formula mass
203.89
Melting point, °C
2687
Density
8.9 g/cm3 (20 C)
Solubility in water
Insoluble

Hazards and Protection.
Storage
Keep container tightly sealed. Store in cool, dry conditions in well sealed containers.
Protection
Protective work clothing. Chemical protective gloves. Safety glasses or goggles.
Small spills/leaks
Pick up mechanically.
Stability
Decomposition will not occur if used and stored according to specifications.

Fire.
Fire fighting
Extinguish with carbon dioxide, extinguishing powder or foam. Water may be ineffective but may be used for cooling exposed containers. Wear self-contained respirator. Wear fully protective impervious suit.
Fire potential
The material is not explosive but the formation of explosive dust/air mixtures may be possible.
Combustion products
Oxides of carbon, metal oxide fumes.
Health
1
 
Flammability
1
 
 
Reactivity
0
 

Health.
Exposure limit(s)
NIOSH PEL: 5 mg/m3 (as Mo)
Exposure effects
Acute molybdenum poisoning may cause severe gastrointestinal irritation, diarrhea, coma and death from cardiac failure. Chronic molybdenum poisoning in laboratory animals has caused loss of weight, anorexia, anemia, deficient lactation, male sterility, osteoporosis and bone joint abnormalities

First aid
 
   Ingestion
Seek immediate medical treatment.
   Inhalation
Supply fresh air. If required, provide artificial respiration. Keep patient warm. Seek immediate medical advice.
   Skin
Immediately wash with water and soap and rinse thoroughly. Seek immediate medical advice.
   Eyes
Rinse opened eye for several minutes under running water. Then consult a doctor.

Transport.