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DIMETHYL PHTHALATE ICSC: 0261
Date of Peer Review: October 2005

Dimethyl 1,2-benzenedicarboxylate
Phthalic acid dimethyl ester
1,2-Benzenedicarboxylic acid, dimethyl ester
CAS # 131-11-3 C6H4(COOCH3)2 / C10H10O4
RTECS # TI1575000 Molecular mass: 194.2
UN #
EC Index #
TYPES OF HAZARD / EXPOSURE ACUTE HAZARDS / SYMPTOMS PREVENTION FIRST AID / FIRE FIGHTING
FIRE Combustible.
NO open flames.
Water spray, foam, powder, carbon dioxide.
EXPLOSION


EXPOSURE


Inhalation
Ventilation.
Fresh air, rest.
Skin
Protective gloves.
Rinse and then wash skin with water and soap.
Eyes
Safety spectacles.
First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
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 and remove to safe place.
EU Classification
UN Classification

EMERGENCY RESPONSE STORAGE
NFPA Code: H1; F1; R0
Store in an area without drain or sewer access.
IPCS
International
Programme on
Chemical Safety
Prepared in the context of cooperation between the International Programme on Chemical Safety and the Commission of the European Communities IPCS, CEC 2005

SEE IMPORTANT INFORMATION ON BACK
DIMETHYL PHTHALATE ICSC: 0261
IMPORTANT DATA
PHYSICAL STATE; APPEARANCE:
OILY COLOURLESS LIQUID

CHEMICAL DANGERS:
The substance decomposes on burning producing irritating fumes.

OCCUPATIONAL EXPOSURE LIMITS:
TLV: 5 mg/m as TWA; (ACGIH 2005).
MAK not established.
INHALATION RISK:
A harmful contamination of the air will not or will only very slowly be reached on evaporation of this substance at 20C.

PHYSICAL PROPERTIES
Boiling point: 284C
Melting point: 5.5C
Relative density (water = 1): 1.19
Solubility in water, g/100 ml at 20C: 0.43
Vapour pressure, Pa at 20C: 0.8
Relative vapour density (air = 1): 6.69
Flash point: 146 C c.c.
Auto-ignition temperature: 490C
Explosive limits, vol% in air: 0.9 at 180C- 8.0 at 109C
Octanol/water partition coefficient as log Pow: 1.47-2.12
ENVIRONMENTAL DATA
The substance is harmful to aquatic organisms.
NOTES
Common name: DMP. Other melting points: the commercial product freezes around 0C.
ADDITIONAL INFORMATION


LEGAL NOTICE Neither the CEC nor the IPCS nor any person acting on behalf of the CEC or the IPCS is responsible for the use which might be made of this information
IPCS, CEC 2005