MANGANESE 0174
November 2003
CAS No: 7439-96-5 (powder)
RTECS No: OO9275000 Mn
Atomic mass: 54.9
TYPES OF
ACUTE HAZARDS/SYMPTOMS PREVENTION FIRST AID/FIRE FIGHTING
HAZARD/
EXPOSURE
FIRE Combustible. NO open flames. Dry sand, special powder.
EXPLOSION Finely dispersed particles form explosive Prevent deposition of dust; closed
mixtures in air. system, dust explosion-proof electrical
equipment and lighting.
EXPOSURE PREVENT DISPERSION OF DUST!
AVOID EXPOSURE OF (PREGNANT)
WOMEN!
Inhalation Cough. Local exhaust or breathing protection. Fresh air, rest. Refer for medical
attention.
Skin Protective gloves. Rinse and then wash skin with water and
soap.
Eyes Safety goggles, or eye protection in First rinse with plenty of water for several
combination with breathing protection if minutes (remove contact lenses if easily
powder. possible), then take to a doctor.
Ingestion Abdominal pain. Nausea. Do not eat, drink, or smoke during work. Rinse mouth. Refer for medical attention.
SPILLAGE DISPOSAL PACKAGING & LABELLING
Sweep spilled substance into containers. Carefully collect
remainder, then remove to safe place. (Extra personal
protection: P2 filter respirator for harmful particles.)
EMERGENCY RESPONSE SAFE STORAGE
Separated from acids. Dry.
Prepared in the context of cooperation between the International
IPCS Programme on Chemical Safety and the European Commission 漏
IPCS 2006
International
Programme on
SEE IMPORTANT INFORMATION ON THE BACK.
Chemical Safety
0174 MANGANESE
IMPORTANT DATA
Physical State; Appearance Routes of exposure
GREY - WHITE POWDER The substance can be absorbed into the body by inhalation of its aerosol
and by ingestion.
Physical dangers
Dust explosion possible if in powder or granular form, mixed with air. Inhalation risk
Evaporation at 20/C is negligible; a harmful concentration of airborne
Chemical dangers particles can, however, be reached quickly when dispersed.
Reacts slowly with water more rapidly with steam and acids forming
flammable/explosive gas (hydrogen - see ICSC0001) causing fire and Effects of short-term exposure
explosion hazard. The aerosol is irritating to the respiratory tract.
Occupational exposure limits Effects of long-term or repeated exposure
TLV: 0.2 mg/m3 (as TWA) ; (ACGIH 2003). The substance may have effects on the lungs and central nervous
MAK: (Inhalable fraction) 0.5 mg/m3; Pregnancy risk group: C; (DFG system, resulting in increased susceptibility to bronchitis, pneumonitis
2007). and neurologic, neuropsychiatric disorders (manganism). Animal tests
show that this substance possibly causes toxicity to human reproduction
or development.
PHYSICAL PROPERTIES
Density: 7.47 g/cm3
Boiling point: 1962/C
Melting point: 1244/C Solubility in water: none
ENVIRONMENTAL DATA
This substance may be hazardous in the environment; special attention should be given to aquatic organisms.
NOTES
Depending on the degree of exposure, periodic medical examination is suggested.
The recommendations on this Card also apply to ferro manganese.
ADDITIONAL INFORMATION
Neither the EC nor the IPCS nor any person acting on behalf of the EC or the IPCS is responsible
LEGAL NOTICE for the use which might be made of this information
漏IPCS 2006
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