Dimethyl p-phthalate
Dimethyl 1,4-benzenedicarboxylate
C6H4(COOCH3)2 / C10H10O4
Molecular mass: 194.2
ICSC # 0262
CAS # 120-61-6
RTECS # WZ1225000
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Types of Hazard/ Exposure
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Acute Hazards/ Symptoms
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Prevention
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First Aid/
Fire Fighting
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FIRE
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Combustible.
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NO open flames.
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Water spray, foam, powder, carbon dioxide.
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Explosion
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Finely dispersed particles form explosive mixtures in air.
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Prevent deposition of dust; closed system, dust explosion-proof electrical equipment and lighting.
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Exposure
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•Inhalation
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Ventilation.
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Fresh air, rest.
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•Skin
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Protective gloves.
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Rinse and then wash skin with water and soap.
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•Eyes
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Redness.
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Safety spectacles.
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First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
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•Ingestion
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Do not eat, drink, or smoke during work.
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Rinse mouth.
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Spillage Disposal
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Storage
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Packaging & Labelling
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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.
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Store in an area without drain or sewer access.
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Important Data
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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
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Occupational Exposure Limits:
TLV not established.
MAK not established.
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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:
May cause mechanical irritation.
Effects of Long-Term or Repeated Exposure:
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Physical
Properties
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Boiling point: 288°C
Melting point: 140°C
Density: 1.2
g/cm3
Solubility in water:
at 13°C
very poor
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Vapour pressure, Pa at 2.5°C: 1.4
Relative vapour density (air = 1): 5.5
Flash point: 141°C c.c.
Auto-ignition temperature: 518°C
Explosive limits, vol% in air: 0.8-11.8
Octanol/water partition coefficient as log Pow: 2.35
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Environmental
Data
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The substance is harmful to aquatic organisms.
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N O T E S
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Common name: DMT.
May be transported in molten form, UN number 3256.
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ADDITIONAL INFORMATION
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ICSC: 0262
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DIMETHYL TEREPHTHALATE
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(C) IPCS, CEC, 1994
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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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