IPCS INCHEM Home
ASCORBIC ACID
ICSC: 0379
Peer-Review Status: 10.06.1997 Validated
Vitamin C
L-Ascorbic acid
L-Xyloascorbic acid
3-Oxo-L-gulofuranolactone (enol form) 
CAS #: 50-81-7 RTECS #: CI7650000
EINECS #: 200-066-2
 		    Formula: C6H8O6
Molecular mass: 176.12

TYPES OF
HAZARD /
EXPOSURE 		ACUTE HAZARDS / SYMPTOMS      PREVENTION      FIRST AID / FIRE FIGHTING
FIRE Combustible.  NO open flames.  Use water spray, powder. 
EXPLOSION      
 
EXPOSURE   PREVENT DISPERSION OF DUST!   
Inhalation Cough. Sore throat.  Use local exhaust or breathing protection.  Fresh air, rest. 
Skin Redness.  Protective gloves.  Remove contaminated clothes. Rinse skin with plenty of water or shower. 
Eyes Redness. Pain.  Wear safety spectacles.  First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention. 
Ingestion     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
  Separated from strong oxidants and strong bases. 

IMPORTANT DATA
Physical State; Appearance
ODOURLESS WHITE-TO-SLIGHTLY-YELLOW CRYSTALS OR POWDER. 

Physical dangers
 

Chemical dangers
The substance is a strong reducing agent. It reacts violently with oxidants. The solution in water is a medium strong acid. 

Occupational exposure limits
TLV (NOT-ESTABLISHED):. 

Routes of exposure
The substance can be absorbed into the body by inhalation of its aerosol and by ingestion. 

Inhalation risk
No indication can be given about the rate at which a harmful concentration of this substance in the air is reached on evaporation at 20°C. 

Effects of short-term exposure
The substance is irritating to the eyes, skin and respiratory tract. 

Effects of long-term or repeated exposure
 


PHYSICAL PROPERTIES ENVIRONMENTAL DATA
Decomposes at 190-192°C
Density: 1.65 g/cm³
Solubility in water, g/100ml: 33
Octanol/water partition coefficient as log Pow: -2.15   		 

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
LEGAL NOTICE Neither the EC nor the IPCS nor any person acting on behalf of the EC or the IPCS is responsible for the use which might be made of this information. 
    See Also:
       Toxicological Abbreviations
       ASCORBIC ACID (JECFA Evaluation)
       Ascorbic acid (PIM 046)