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FERROUS OXIDE
ICSC: 0793
Peer-Review Status: 20.04.2005 Validated
Ferrous monoxide
Iron (II) oxide
C.I. 77489 
CAS #: 1345-25-1 EINECS #: 215-721-8
 		    Formula: FeO
Molecular mass: 71.9

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      
 
EXPOSURE   PREVENT DISPERSION OF DUST!   
Inhalation Cough.  Use local exhaust or breathing protection.  Fresh air, rest. 
Skin   Protective gloves.  Rinse and then wash skin with water and soap. 
Eyes   Wear safety spectacles.  First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention. 
Ingestion   Do not eat, drink, or smoke during work.  Rinse mouth. 

SPILLAGE DISPOSAL
 		PACKAGING & LABELLING
Personal protection: particulate filter respirator adapted to the airborne concentration of the substance. Sweep spilled substance into covered containers. If appropriate, moisten first to prevent dusting. Wash away remainder with plenty of water.   
EC Classification
 
UN Classification
 
GHS Classification
 

EMERGENCY RESPONSE SAFE STORAGE
   

IMPORTANT DATA
Physical State; Appearance
BLACK SOLID IN VARIOUS FORMS. 

Physical dangers
 

Chemical dangers
Depending on the preparation method, the substance may ignite spontaneously on contact of finely divided powder with air or may burn on contact with air when heated above 200°C. The substance readily absorbs carbon dioxide. 

Occupational exposure limits
TLV (NOT-ESTABLISHED):.
MAK (respirable fraction): 1.5 mg/m³; (DFG 2004). 

Routes of exposure
 

Inhalation risk
A harmful concentration of airborne particles can be reached quickly when dispersed, especially if powdered. 

Effects of short-term exposure
 

Effects of long-term or repeated exposure
The substance may have effects on the lungs. This may result in siderosis. 


PHYSICAL PROPERTIES ENVIRONMENTAL DATA
Melting point: 1360°C
Density: 5.7 g/cm³
Solubility in water: none  		 

NOTES
 

ADDITIONAL INFORMATION
 

IPCS
International
Programme on
Chemical Safety 		WHO ILO EC Prepared in the context of cooperation between the International Programme on Chemical Safety and the European Commission
© IPCS 2004-2012
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    See Also:
       Toxicological Abbreviations