3-Hydroxypropionitrile
2-Cyanoethanol
Glycol cyanohydrin
Methanolacetonitrile
C3H5NO / HOCH2CH2CN
Molecular mass: 71.08
ICSC # 1026
CAS # 109-78-4
RTECS # MU5250000
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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.
Gives off irritating or toxic fumes (or gases) in a fire.
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NO open flames.
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Powder,
alcohol-resistant foam,
carbon dioxide.
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Explosion
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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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Redness.
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Protective gloves.
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Rinse skin with plenty of water or shower.
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•Eyes
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Redness.
Pain.
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Safety goggles.
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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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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 type B.)
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Separated from
acids,
bases
,
oxidants
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Cool.
Dry.
Keep in a well-ventilated room.
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Important Data
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Physical State; Appearance:
COLOURLESS
TO YELLOW
LIQUID
Physical Dangers:
Chemical Dangers:
The substance may polymerize
under the influence of organic
base(s)
.
The substance decomposes
on heating or
on contact with
acids
acid fumes, or
water
producing
highly
toxic fumes
including
hydrogen cyanide
.
Reacts
violently with
strong oxidants
.
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
and
by ingestion.
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 eyes
and
the skin
.
Effects of Long-Term or Repeated Exposure:
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Physical
Properties
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Boiling point (decomposes): 228°C
Melting point: -46°C
Relative density (water = 1): 1.04
Solubility in water: miscible
Vapour pressure, Pa at 25°C: 10.7
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Relative vapour density (air = 1): 2.45
Flash point: 129°C o.c.
Auto-ignition temperature: 494°C
Explosive limits, vol% in air: 2.3 - 12.1
Octanol/water partition coefficient as log Pow: -0.94
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Environmental
Data
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N O T E S
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This substance is less hazardous than some other nitriles which easily form hydrogen cyanide in the body.
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ADDITIONAL INFORMATION
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ICSC: 1026
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ETHYLENE CYANOHYDRIN
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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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