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GLYOXAL (40% solution)
ICSC: 1162
Peer-Review Status: 05.07.2003 Validated
1,2-Ethanedione
Biformyl
Ethanedial
Oxalaldehyde 
CAS #: 107-22-2 RTECS #: MD2700000
EC #: 605-016-00-7
EINECS #: 203-474-9
 		    Formula: C2H2O2 / OHCCHO
Molecular mass: 58.0

TYPES OF
HAZARD /
EXPOSURE 		ACUTE HAZARDS / SYMPTOMS      PREVENTION      FIRST AID / FIRE FIGHTING
FIRE Combustible.  NO open flames.  Use carbon dioxide, foam, powder. 
EXPLOSION      
 
EXPOSURE   AVOID ALL CONTACT!   
Inhalation   Use local exhaust or breathing protection.  Fresh air, rest. 
Skin Redness.  Protective gloves. Protective clothing.  Remove contaminated clothes. Rinse skin with plenty of water or shower. 
Eyes Redness. Pain.  Wear safety goggles or eye protection in combination with breathing protection.  First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention. 
Ingestion Abdominal pain. Nausea. Vomiting.  Do not eat, drink, or smoke during work.  Rinse mouth. Refer for medical attention . 

SPILLAGE DISPOSAL
 		PACKAGING & LABELLING
Personal protection: face shield and filter respirator for organic gases and vapours adapted to the airborne concentration of the substance. Collect leaking and spilled liquid in sealable containers as far as possible.   
EC Classification
Symbol: Xn; R: 20-36/38-43-68; S: (2)-36/37; Note: B 
UN Classification
 
GHS Classification
 

EMERGENCY RESPONSE SAFE STORAGE
  Well closed. 

IMPORTANT DATA
Physical State; Appearance
COLOURLESS-TO-PALE-YELLOW LIQUID. 

Physical dangers
 

Chemical dangers
The solution in water is a weak acid. 

Occupational exposure limits
TLV: 0.1mg/m³ as TWA; (SEN); A4 (not classifiable as a human carcinogen); (ACGIH 2003).
MAK: Carcinogen category: 3B; Skin absorption (H); Sensitization of skin (SH); (DFG 2004). 

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

Inhalation risk
A harmful contamination of the air can be reached very quickly on evaporation of this substance at 20°C. 

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

Effects of long-term or repeated exposure
Repeated or prolonged contact may cause skin sensitization. 


PHYSICAL PROPERTIES ENVIRONMENTAL DATA
Boiling point: 104°C
Melting point: -14°C
Relative density (water = 1): 1.27
Vapour pressure, kPa at 20°C: 2.4
Relative vapour density (air = 1): 1.27
Flash point: >100°C
Auto-ignition temperature: 285°C
Octanol/water partition coefficient as log Pow: -0.85   		 

NOTES
The substance is also commercially available as a crystalline dihydrate (80% glyoxal).
Do NOT take working clothes home.
Card has been partly updated in April 2005.
See section Occupational Exposure Limits. 

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