Formic acid, ethyl ester
Formic ether
C3H6O2 / HCOOC2H5
Molecular mass: 74.1
ICSC # 0623
CAS # 109-94-4
RTECS # LQ8400000
UN # 1190
EC # 607-015-00-7
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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.
Heating will cause rise in pressure with risk of bursting.
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NO open flames, NO sparks, and NO smoking.
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Alcohol-resistant foam,
powder,
carbon dioxide.
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Explosion
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Vapour/air mixtures are explosive.
Risk of fire and explosion on contact withoxidants.
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Closed system, ventilation, explosion-proof electrical equipment and lighting.
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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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PREVENT GENERATION OF MISTS!
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•Inhalation
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Burning sensation.
Cough.
Drowsiness.
Headache.
Shortness of breath.
Sore throat.
Unconsciousness.
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Ventilation.
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Fresh air, rest.
Refer for medical attention.
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•Skin
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Dry skin.
Redness.
Burning sensation.
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Protective gloves.
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Remove contaminated clothes.
Rinse and then wash skin with water and soap.
Refer for medical attention.
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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.
Burning sensation.
(Further see Inhalation).
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Do not eat, drink, or smoke during work.
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Rinse mouth.
Rest.
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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Ventilation.
Remove all ignition sources.
Collect leaking liquid in sealable containers.
Absorb remaining liquid in sand or inert absorbent and remove to safe place.
Do NOT wash away into sewer.
Personal protection: complete protective clothing including self-contained breathing apparatus.
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Fireproof.
Separated from
strong oxidants,
acids,
bases
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Cool.
Dry.
Keep in a well-ventilated room.
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F symbol
Xn symbol
R: 11-20/22-36/37
S: 2-9-16-24-26-33
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.
Chemical Dangers:
Reacts violently with strong oxidants, acids and bases.
Occupational Exposure Limits:
TLV: 100 ppm as TWA (ACGIH 2004).
MAK: 100 ppm, 310 mg/m3 H;
Peak limitation category: I(1); Pregnancy risk group: C;
(DFG 2004).
OSHA PEL: TWA 100 ppm (300 mg/m3)
NIOSH REL: TWA 100 ppm (300 mg/m3)
NIOSH IDLH: 1500 ppm See: 109944
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Routes of Exposure:
The substance can be absorbed into the body
by inhalation of its vapour
and
by ingestion.
Inhalation Risk:
A harmful contamination of the air can be reached rather quickly on evaporation of this substance at 20°C.
Effects of Short-Term Exposure:
The vapour
is irritating to
the eyes
and
the skin
.
The substance may cause effects on the central nervous system.
Exposure far above the OEL could cause lowering of consciousness.
Effects of Long-Term or Repeated Exposure:
The liquid defats the skin.
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Physical
Properties
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Boiling point: 52-54°C
Melting point: -80°C
Relative density (water = 1): 0.92
Solubility in water, g/100 ml at 20°C: 10.5
Vapour pressure, kPa at 20°C: 25.6
Relative vapour density (air = 1): 2.55
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Relative density of the vapour/air-mixture at 20°C (air = 1): 1.4
Flash point: -20°C c.c.
Auto-ignition temperature: 440°C
Explosive limits, vol% in air: 2.7-16.5
Octanol/water partition coefficient as log Pow: 0.23
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Environmental
Data
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N O T E S
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Card has been partly updated in October 2004. See sections Occupational Exposure Limits, EU classification, Emergency Response.
Transport Emergency Card: TEC (R)-30S1190
NFPA Code: H2; F3; R0;
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ADDITIONAL INFORMATION
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ICSC: 0623
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ETHYL FORMATE
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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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