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DIMETHYL PHTHALATE
ICSC: 0261
Peer-Review Status: 19.10.2005 Validated
Dimethyl 1,2-benzenedicarboxylate
Phthalic acid dimethyl ester
1,2-Benzenedicarboxylic acid, dimethyl ester 
CAS #: 131-11-3 RTECS #: TI1575000
EINECS #: 205-011-6
    Formula: C6H4(COOCH3)2 / C10H10O4
Molecular mass: 194.2

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

SPILLAGE DISPOSAL
PACKAGING & LABELLING
Do NOT let this chemical enter the environment. Collect leaking liquid in sealable containers. Absorb remaining liquid in sand or inert absorbent. Then store and dispose of according to local regulations.   
EC Classification
 
UN Classification
 
GHS Classification
 

EMERGENCY RESPONSE SAFE STORAGE
NFPA Code: H1; F1; R0.  Store in an area without drain or sewer access. 

IMPORTANT DATA
Physical State; Appearance
COLOURLESS OILY LIQUID. 

Physical dangers
 

Chemical dangers
Decomposes on burning. This produces irritating fumes. 

Occupational exposure limits
TLV: 5mg/m³ as TWA; (ACGIH 2005). 

Routes of exposure
 

Inhalation risk
A harmful contamination of the air will not or will only very slowly be reached on evaporation of this substance at 20°C. 

Effects of short-term exposure
 

Effects of long-term or repeated exposure
 


PHYSICAL PROPERTIES ENVIRONMENTAL DATA
Boiling point: 284°C
Melting point: 5.5°C
Relative density (water = 1): 1.19
Solubility in water, g/100ml at 20°C: 0.43
Vapour pressure, Pa at 20°C: 0.8
Relative vapour density (air = 1): 6.69
Flash point: 146°C c.c.
Auto-ignition temperature: 490°C
Explosive limits, vol% in air: 0.9 (at 180°C) - 8.0 (at 109°C)
Octanol/water partition coefficient as log Pow: 1.47/2.12  
The substance is harmful to aquatic organisms. 

NOTES
Common name: DMP.
Other melting points: the commercial product freezes around 0°C. 

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