2-Pyrrolidinone
2-Pyrrolidone
2-Ketopyrrolidine
2-Oxopyrrolidine
C4H7NO
Molecular mass: 85.1
ICSC # 0562
CAS # 616-45-5
RTECS # UY5715000
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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, water spray, carbon dioxide.
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Explosion
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Exposure
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•Inhalation
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•Skin
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Redness.
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Protective gloves.
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Remove contaminated clothes.
Rinse skin with plenty of water or shower.
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•Eyes
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Pain.
Redness.
Blurred vision.
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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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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.
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Ventilation along the floor.
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Important Data
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Physical State; Appearance:
LIGHT YELLOW LIQUID.
Physical Dangers:
Chemical Dangers:
The substance decomposes
on heating or
on burning
producing toxic fumes including nitrogen oxides.
Occupational Exposure Limits:
TLV not established.
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Routes of Exposure:
The substance can be absorbed into the body
through the skin.
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; on spraying or dispersing, however, much faster.
Effects of Short-Term Exposure:
The substance
irritates the skin, the eyes and the respiratory tract.
Effects of Long-Term or Repeated Exposure:
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Physical
Properties
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Boiling point: 245°C
Melting point: 25°C
Relative density (water = 1): 1.1
Solubility in water: good
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Vapour pressure, Pa at 20°C: negligible
Relative vapour density (air = 1): 2.9
Relative density of the vapour/air-mixture at 20°C (air = 1): 1.00
Flash point: 129°C o.c.
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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.
Also consult
ICSC # 0513 (N-Methyl-2-pyrrolidone).
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ADDITIONAL INFORMATION
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ICSC: 0562
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PYRROLIDONE
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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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