Ketocyclopentane
Adipic ketone
C5H8O
Molecular mass: 84.12
ICSC # 0427
CAS # 120-92-3
RTECS # GY4725000
UN # 2245
EC # 606-025-00-9
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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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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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Powder, AFFF, foam, carbon dioxide.
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Explosion
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Gas/air mixtures are explosive.
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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.
Refer for medical attention.
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•Skin
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Redness.
Pain.
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Protective gloves.
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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.
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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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Fireproof.
Separated from
acids.
Cool.
Keep in the dark.
Keep in a well-ventilated room.
Store only if stabilized.
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Xi symbol
R: 10-36/38
S: 2-23
UN Hazard Class: 3
UN Packing Group: III
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Important Data
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Physical State; Appearance:
CLEAR, COLOURLESS LIQUID.
Physical Dangers:
The vapour is heavier than air.
Chemical Dangers:
The substance easily polymerizes
under the influence of acid(s).
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,
through the skin
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
irritates
the eyes,
the skin, possibly
the respiratory tract.
Effects of Long-Term or Repeated Exposure:
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Physical
Properties
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Boiling point: 131°C
Melting point: -51°C
Relative density (water = 1): 0.95
Solubility in water:
poor
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Relative vapour density (air = 1): 2.3
Flash point: 26°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.
An added stabilizer or inhibitor can influence the toxicological properties of this substance, consult an expert.
Card has been partly updated in October 2005. See section Emergency Response.
Transport Emergency Card: TEC (R)-30S2245 or 30GF1-III
NFPA Code: H2; F3; R0;
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ADDITIONAL INFORMATION
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ICSC: 0427
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CYCLOPENTANONE
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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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