Propanoic acid, methyl ester
C4H8O2 / C2H5COOCH3
Molecular mass: 88.1
ICSC # 1029
CAS # 554-12-1
RTECS # UF5970000
UN # 1248
EC # 607-027-00-2
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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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Highly flammable.
Gives off irritating gases and toxic fumes in a fire.
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NO open flames, NO sparks, and NO smoking.
NO contact with oxidants.
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Powder, alcohol-resistant foam, water spray, carbon dioxide.
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Explosion
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Vapour/air mixtures are explosive.
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Closed system, ventilation, explosion-proof electrical equipment and lighting.
Prevent build-up of electrostatic charges (e.g., by grounding).
Use non-sparking handtools.
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In case of fire: keep drums, etc., cool by spraying with water.
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Exposure
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•Inhalation
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Cough.
Sore throat.
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Ventilation, local exhaust, or breathing protection.
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Fresh air, rest.
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•Skin
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Redness.
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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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Redness.
Pain.
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Safety goggles,
or eye protection in combination with breathing protection.
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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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Abdominal pain.
Vomiting.
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Do not eat, drink, or smoke during work.
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Rinse mouth.
Give plenty of water to drink.
Refer for medical attention.
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Spillage Disposal
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Storage
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Packaging & Labelling
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Remove all ignition sources.
Collect leaking liquid in covered containers.
Absorb remaining liquid in sand or inert absorbent and remove to safe place.
Do NOT wash away into sewer.
Personal protection:
filter respirator for organic gases and vapours.
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Fireproof.
Cool.
Separated from
oxidants
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F symbol
Xn symbol
R: 11-20
S: 2-16-24-29-33
UN Hazard Class: 3
UN Packing Group: II
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Important Data
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Physical State; Appearance:
COLOURLESS LIQUID
, WITH CHARACTERISTIC ODOUR.
Physical Dangers:
The vapour is heavier than air
and may travel along the ground; distant ignition possible.
As a result of flow, agitation, etc., electrostatic charges can be generated.
Chemical Dangers:
The substance decomposes
on heating
producing
irritating fumes.
Reacts
with
oxidants
causing fire hazard.
Occupational Exposure Limits:
TLV not established.
MAK not established.
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Routes of Exposure:
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:
The substance
is irritating to
the respiratory tract
,
the skin
and
the eyes
.
Effects of Long-Term or Repeated Exposure:
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Physical
Properties
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Boiling point: 80°C
Melting point: -88°C
Relative density (water = 1): 0.92
Solubility in water, g/100 ml at 25°C: 6.2
Vapour pressure, kPa at 20°C: 8.5
Relative vapour density (air = 1): 3
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Relative density of the vapour/air-mixture at 20°C (air = 1): 1.2
Flash point:
-2°C c.c.
Auto-ignition temperature: 469°C
Explosive limits, vol% in air: 2.5-13.0
Octanol/water partition coefficient as log Pow: 0.82
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Environmental
Data
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N O T E S
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Environmental effects from the substance have not been investigated adequately.
This substance is used as a strawberry flavour in food.
Transport Emergency Card: TEC (R)-30S1248
NFPA Code: H1; F3; R0
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ADDITIONAL INFORMATION
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ICSC: 1029
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METHYL PROPIONATE
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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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