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
|
|
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.
|
|
|
|
|
Important Data
|
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.
|
|
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.
|
|
|