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GLYOXAL (40% solution)ICSC: 1162
1,2-Ethanedione
Biformyl
Ethanedial
Oxalaldehyde
July 2003
CAS #: 107-22-2
EC Number: 203-474-9

  ACUTE HAZARDS PREVENTION FIRE FIGHTING
FIRE & EXPLOSION Combustible.    NO open flames.    Use carbon dioxide, foam, powder.   

 AVOID ALL CONTACT!  
  SYMPTOMS PREVENTION FIRST AID
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 CLASSIFICATION & 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. 

According to UN GHS Criteria

 

Transportation
UN Classification
 

STORAGE
Well closed. 
PACKAGING
 
GLYOXAL (40% solution) ICSC: 1162
PHYSICAL & CHEMICAL INFORMATION

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

Physical dangers
 

Chemical dangers
The solution in water is a weak acid. 

Formula: C2H2O2 / OHCCHO
Molecular mass: 58.0
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  


EXPOSURE & HEALTH EFFECTS

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

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

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

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


OCCUPATIONAL EXPOSURE LIMITS
TLV: 0.1 mg/m3, as TWA; (SEN); A4 (not classifiable as a human carcinogen).
MAK: skin absorption (H); sensitization of skin (SH); carcinogen category: 3B 

ENVIRONMENT
 

NOTES
The substance is also commercially available as a crystalline dihydrate (80% glyoxal).
Do NOT take working clothes home. 

ADDITIONAL INFORMATION
  EC Classification
Symbol: Xn; R: 20-36/38-43-68; S: (2)-36/37; Note: B 

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    See Also:
       Toxicological Abbreviations