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DIMETHYL TEREPHTHALATE ICSC: 0262
Date of Peer Review: October 2005

Dimethyl p-phthalate
Dimethyl 1,4-benzenedicarboxylate
CAS # 120-61-6 C6H4(COOCH3)2 / C10H10O4
RTECS # WZ1225000 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 Finely dispersed particles form explosive mixtures in air.
Prevent deposition of dust; closed system, dust explosion-proof electrical equipment and lighting.

EXPOSURE


Inhalation
Ventilation.
Fresh air, rest.
Skin
Protective gloves.
Rinse and then wash skin with water and soap.
Eyes Redness.
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
Personal protection: P2 filter respirator for harmful particles. Do NOT let this chemical enter the environment. Sweep spilled substance into sealable containers; if appropriate, moisten first to prevent dusting. Carefully collect remainder, then 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 TEREPHTHALATE ICSC: 0262
IMPORTANT DATA
PHYSICAL STATE; APPEARANCE:
WHITE FLAKES

PHYSICAL DANGERS:
Dust explosion possible if in powder or granular form, mixed with air.

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

OCCUPATIONAL EXPOSURE LIMITS:
TLV not established. 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.

EFFECTS OF SHORT-TERM EXPOSURE:
May cause mechanical irritation.

PHYSICAL PROPERTIES
Boiling point: 288C
Melting point: 140C
Density: 1.2 g/cm
Solubility in water: at 13C very poor
Vapour pressure, Pa at 2.5C: 1.4
Relative vapour density (air = 1): 5.5
Flash point: 141C c.c.
Auto-ignition temperature: 518C
Explosive limits, vol% in air: 0.8-11.8
Octanol/water partition coefficient as log Pow: 2.35
ENVIRONMENTAL DATA
The substance is harmful to aquatic organisms.
NOTES
Common name: DMT. May be transported in molten form, UN number 3256.
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