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OLEIC ACID
ICSC: 1005
Peer-Review Status: 03.05.2002 Validated
9-Octadecenoic acid
9,10-Octadecenoic acid
Oleinic acid
cis-9-Octadecenoic acid 
CAS #: 112-80-1 RTECS #: RG2275000
EINECS #: 204-007-1
    Formula: C18H34O2 / C8H17CH=CH(CH2)7COOH
Molecular mass: 282.5

TYPES OF
HAZARD /
EXPOSURE
ACUTE HAZARDS / SYMPTOMS      PREVENTION      FIRST AID / FIRE FIGHTING
FIRE Combustible.  NO open flames.  Use water spray, powder, foam, carbon dioxide. 
EXPLOSION      
 
EXPOSURE      
Inhalation   Use local exhaust.  Fresh air, rest. 
Skin Redness.  Protective gloves.  Rinse and then wash skin with water and soap. 
Eyes Redness.  Wear safety spectacles.  First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention. 
Ingestion See Notes.  Do not eat, drink, or smoke during work.   

SPILLAGE DISPOSAL
PACKAGING & LABELLING
Collect leaking and spilled liquid in covered containers as far as possible. Wash away remainder with plenty of water.   
EC Classification
 
UN Classification
 
GHS Classification
 

EMERGENCY RESPONSE SAFE STORAGE
NFPA Code: H0; F1; R0.  Separated from strong bases. 

IMPORTANT DATA
Physical State; Appearance
COLOURLESS LIQUID. TURNS YELLOW-TO-BROWN ON EXPOSURE TO AIR. 

Physical dangers
 

Chemical dangers
The substance is a weak acid. 

Occupational exposure limits
TLV (NOT-ESTABLISHED):.
MAK: Carcinogen category: 3A; (DFG 2008). 

Routes of exposure
 

Inhalation risk
Evaporation at 20°C is negligible; a nuisance-causing concentration of airborne particles can, however, be reached quickly on spraying. 

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

Effects of long-term or repeated exposure
 


PHYSICAL PROPERTIES ENVIRONMENTAL DATA
Decomposes
Melting point: 13.4°C
Relative density (water = 1): 0.89
Solubility in water: none
Flash point: 189°C c.c.
Auto-ignition temperature: 363°C
Octanol/water partition coefficient as log Pow: 7.73 (estimated) 
 

NOTES
The substance can be absorbed by ingestion, but no harmful effects have been found.
Card has been partially updated in November 2008: see 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
       OLEIC ACID (JECFA Evaluation)