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NIOSH

DIMETHYL PHTHALATE

ICSC: 0261

Dimethyl 1,2-benzenedicarboxylate
Phthalic acid dimethyl ester
1,2-Benzenedicarboxylic acid, dimethyl ester
C6H4(COOCH3)2 / C10H10O4
Molecular mass: 194.2
ICSC # 0261 		CAS # 131-11-3
RTECS # TI1575000
October 19, 2005 Validated

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

STORAGE

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.
Store in an area without drain or sewer access.

ICSC: 0261 Prepared in the context of cooperation between the International Programme on Chemical Safety & the Commission of the European Communities (C) IPCS CEC 1994. No modifications to the International version have been made except to add the OSHA PELs, NIOSH RELs and NIOSH IDLH values.

DIMETHYL PHTHALATE

ICSC: 0261

I

M

P

O

R

T

A

N

T


D

A

T

A

PHYSICAL STATE; APPEARANCE:
OILY COLOURLESS LIQUID

PHYSICAL DANGERS:


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

OCCUPATIONAL EXPOSURE LIMITS:
TLV: 5 mg/m3 as TWA; (ACGIH 2005).
MAK not established.
OSHA PEL: TWA 5 mg/m3
NIOSH REL: TWA 5 mg/m3
NIOSH IDLH: 2000 mg/m3 See: 131113


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

Boiling point: 284°C
Melting point: 5.5°C
Relative density (water = 1): 1.19
Solubility in water, g/100 ml 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

ENVIRONMENTAL
DATA

The substance is harmful to aquatic organisms.

N O T E S

Common name: DMP. Other melting points: the commercial product freezes around 0°C.
NFPA Code: H1; F1; R0

ADDITIONAL INFORMATION



ICSC: 0261 DIMETHYL PHTHALATE
(C) IPCS, CEC, 1994
IMPORTANT LEGAL NOTICE: Neither NIOSH, the CEC or the IPCS nor any person acting on behalf of NIOSH, the CEC or the IPCS is responsible for the use which might be made of this information. This card contains the collective views of the IPCS Peer Review Committee and may not reflect in all cases all the detailed requirements included in national legislation on the subject. The user should verify compliance of the cards with the relevant legislation in the country of use. The only modifications made to produce the U.S. version is inclusion of the OSHA PELs, NIOSH RELs and NIOSH IDLH values.
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