Methyl-benzenecarboxylate
Niobe oil
C8H8O2 / C6H5COOCH3
Molecular mass: 136.1
ICSC # 1187
CAS # 93-58-3
RTECS # DH3850000
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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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Foam,
powder, >carbon dioxide.
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Explosion
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Above 83°C explosive vapour/air mixtures may be formed.
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Above 83°C use a closed system, ventilation.
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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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Remove contaminated clothes.
Rinse and then wash skin with water and soap.
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•Eyes
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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.
Do NOT induce vomiting.
Rest.
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Spillage Disposal
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Storage
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Packaging & Labelling
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Collect leaking and spilled liquid in sealable containers as far as possible.
Absorb remaining liquid in sand or inert absorbent and remove to safe place.
(Extra personal protection: filter respirator for organic gases and vapours).
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Important Data
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Physical State; Appearance:
COLOURLESS, OILY LIQUID
, WITH CHARACTERISTIC ODOUR.
Physical Dangers:
The vapour is heavier than air.
Chemical Dangers:
Occupational Exposure Limits:
TLV not established.
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Routes of Exposure:
The substance can be absorbed into the body
by inhalation of its vapour.
Inhalation Risk:
No indication can be given about the rate in which a harmful concentration in the air is reached on evaporation of this substance at 20°C.
Effects of Short-Term Exposure:
Swallowing the liquid may cause aspiration into the lungs with the risk of chemical pneumonitis.
See Notes.
Effects of Long-Term or Repeated Exposure:
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Physical
Properties
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Boiling point: 198-200°C
Melting point: -12°C
Relative density (water = 1): 1.09
Solubility in water: none
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Vapour pressure, Pa at 39°C: 133
Relative vapour density (air = 1): 4.7
Flash point: 83°C c.c.
Octanol/water partition coefficient as log Pow: 2.12
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Environmental
Data
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N O T E S
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Insufficient data are available on the effect of this substance on human health, therefore utmost care must be taken.
NFPA Code: H 0; F 2; R 0;
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ADDITIONAL INFORMATION
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ICSC: 1187
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METHYL BENZOATE
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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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