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ASCORBIC ACIDICSC: 0379
June 1997
CAS #: 50-81-7Vitamin C
L-Ascorbic acid
L-Xyloascorbic acid
3-Oxo-L-gulofuranolactone (enol form)
EINECS #: 200-066-2

  ACUTE HAZARDS PREVENTION FIRE FIGHTING
FIRE & EXPLOSION Combustible.    NO open flames.    Use water spray, powder.   

 PREVENT DISPERSION OF DUST!  
  SYMPTOMS ACUTE HAZARDS FIRST AID
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 CLASSIFICATION & 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. 

According to UN GHS Criteria

 

Transportation
UN Classification
 

STORAGE
Separated from strong oxidants and strong bases. 
PACKAGING
 
ASCORBIC ACID ICSC: 0379
PHYSICAL & CHEMICAL INFORMATION

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. 

Formula: C6H8O6
Molecular mass: 176.12
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  


EXPOSURE & HEALTH EFFECTS

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

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

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 long-term or repeated exposure
 


Occupational exposure limits
 

ENVIRONMENT
 

NOTES
 

ADDITIONAL INFORMATION
  EC Classification
 

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    See Also:
       Toxicological Abbreviations
       ASCORBIC ACID (JECFA Evaluation)
       Ascorbic acid (PIM 046)