Mo
Atomic mass: 95.9
ICSC # 1003
CAS # 7439-98-7
RTECS # QA4680000
UN # 3089
|
|
Types of Hazard/ Exposure
|
Acute Hazards/ Symptoms
|
Prevention
|
First Aid/
Fire Fighting
|
|
FIRE
|
Combustible under specific conditions.
|
|
In case of fire in the surroundings: use appropriate extinguishing media.
|
|
Explosion
|
Finely dispersed particles form explosive mixtures in air.
|
Prevent deposition of dust; closed system, dust explosion-proof electrical equipment and lighting.
|
|
|
|
|
Exposure
|
|
PREVENT DISPERSION OF DUST!
|
|
|
•Inhalation
|
Cough.
|
Local exhaust or breathing protection.
|
Fresh air, rest.
|
|
•Skin
|
|
Protective gloves.
|
Rinse skin with plenty of water or shower.
|
|
•Eyes
|
Redness.
|
Safety spectacles
|
Rinse with plenty of water (remove contact lenses if easily possible).
|
|
•Ingestion
|
|
Do not eat, drink, or smoke during work.
Wash hands before eating.
|
Rinse mouth.
Give one or two glasses of water to drink.
|
|
Spillage Disposal
|
Storage
|
Packaging & Labelling
|
Personal protection: P2 filter respirator for harmful particles.
Sweep spilled substance into containers; if appropriate, moisten first to prevent dusting.
|
Separated from strong oxidants, halogens and strong acids.
|
UN Hazard Class: 4.1
UN Packing Group: II; III
|
|
|
|
Important Data
|
Physical State; Appearance:
SILVER-WHITE LUSTROUS METAL OR
DARK GREY POWDER.
Physical Dangers:
Dust explosion possible if in powder or granular form, mixed with air.
Chemical Dangers:
Reacts
violently with
oxidants,
halogens
and
concentrated nitric acid
causing fire hazard.
Occupational Exposure Limits:
TLV: 10 mg/m3
(Inhalable fraction),
3 mg/m3
(Respirable fraction)
as TWA; (ACGIH 2006).
MAK: IIb (not established but data is available) (DFG 2006).
|
Routes of Exposure:
Inhalation Risk:
Effects of Short-Term Exposure:
See Notes.
Effects of Long-Term or Repeated Exposure:
See Notes.
|
|
Physical
Properties
|
Boiling point: 4612°C
Melting point: 2617°C
Density: 10.2
g/cm3
|
Solubility in water: none.
|
|
Environmental
Data
|
|
|
N O T E S
|
Health effects of exposure to the substance have not been investigated adequately.
Environmental effects from the substance have not been investigated.
Transport Emergency Card: TEC (R)-41GF3-II+III
|
|
|
ADDITIONAL INFORMATION
|
|
|
|
ICSC: 1003
|
MOLYBDENUM
|
|
(C) IPCS, CEC, 1994
|
|
|
IMPORTANT LEGAL NOTICE:
Neither NIOSH, the CEC or the IPCS nor any person acting on behalf of NIOSH,
the CEC or the IPCS is responsible for the use which might be made of this
information. This card contains the collective views of the IPCS Peer Review Committee and may
not reflect in all cases all the detailed requirements included in national legislation
on the subject. The user should verify compliance of the cards with the relevant legislation
in the country of use.
The only modifications made to produce the U.S. version is inclusion of the OSHA PELs, NIOSH RELs and NIOSH IDLH values.
|
|
|
