ILO Home
  

ICSC index [List of Chemicals]  [Risk Notes]  [Risk Phrases]  [Safety Phrases]  [Danger Symbols] Bottom of page (Ctrl-End)
MALONIC ACID ICSC: 1085
March 2002
Carboxyacetic acid
Dicarboxymethane
Propanedioic acid
Methanedicarboxylic acid
PDF for printing Explanation of fields
CAS No: 141-82-2
RTECS No: OO0175000
    C3H4O4 / COOHCH2COOH
Molecular mass: 104.1

TYPES OF
HAZARD /
EXPOSURE
ACUTE HAZARDS / SYMPTOMS      PREVENTION         FIRE FIGHTING   
FIRE Combustible. NO open flames. Powder, water spray, foam, carbon dioxide.
EXPLOSION      
 
EXPOSURE      
Inhalation Cough. Sore throat. Local exhaust or breathing protection. Fresh air, rest. Refer for medical attention.
Skin Redness. Pain. Protective gloves. Remove contaminated clothes. Rinse skin with plenty of water or shower.
Eyes Redness. Pain. Safety goggles. First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
Ingestion Abdominal pain. Diarrhoea. Nausea. Vomiting. Do not eat, drink, or smoke during work. Rinse mouth. Refer for medical attention.

SPILLAGE DISPOSAL PACKAGING & LABELLING
Sweep spilled substance into covered containers. Then wash away with plenty of water.  

EMERGENCY RESPONSE STORAGE
  Separated from bases and strong oxidants.

IMPORTANT DATA
Physical State; Appearance
WHITE CRYSTALS

Chemical dangers
The solution in water is a medium strong acid. Reacts with strong oxidants.

Occupational exposure limits
TLV not established.

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

Inhalation risk
Evaporation at 20°C is negligible; a harmful concentration of airborne particles can, however, be reached quickly when dispersed.

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


PHYSICAL PROPERTIES ENVIRONMENTAL DATA
Melting point (decomposes): 135°C
Density: 1.6 g/cm³
Solubility in water, g/100 ml at 20°C: 7.3
Octanol/water partition coefficient as log Pow: -0.91/-0.18 (calculated)
 

NOTES
 

IPCS
International
Programme on
Chemical Safety
WHO ILO UNEP EC Prepared in the context of cooperation between the International Programme on Chemical Safety and the European Commission
© IPCS 2002
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.

Top of page (Ctrl-Home) Updated by AS. Approved by EC. Last update: 09.05.2002