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CYCLOPENTANONEICSC: 0427
August 1997
CAS #: 120-92-3Ketocyclopentane
Adipic ketone
UN #: 2245
EINECS #: 204-435-9

  ACUTE HAZARDS PREVENTION FIRE FIGHTING
FIRE & EXPLOSION Flammable. Heating will cause rise in pressure with risk of bursting.  Gas/air mixtures are explosive.  NO open flames, NO sparks and NO smoking.    Use powder, AFFF, foam, carbon dioxide.  In case of fire: keep drums, etc., cool by spraying with water. 

   
  SYMPTOMS ACUTE HAZARDS FIRST AID
Inhalation Cough. Sore throat.  Use ventilation, local exhaust or breathing protection.  Fresh air, rest. Refer for medical attention. 
Skin Redness. Pain.  Protective gloves.  Rinse and then wash skin with water and soap. 
Eyes Redness. Pain.  Wear safety goggles.  First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention. 
Ingestion   Do not eat, drink, or smoke during work.   

SPILLAGE DISPOSAL CLASSIFICATION & LABELLING
Collect leaking liquid in sealable containers. Absorb remaining liquid in sand or inert absorbent. Then store and dispose of according to local regulations. 

According to UN GHS Criteria

 

Transportation
UN Classification
UN Hazard Class: 3; UN Pack Group: III 

STORAGE
Fireproof. Separated from acids. Cool. Keep in the dark. Keep in a well-ventilated room. Store only if stabilized. 
PACKAGING
 
CYCLOPENTANONE ICSC: 0427
PHYSICAL & CHEMICAL INFORMATION

Physical State; Appearance
CLEAR COLOURLESS LIQUID. 

Physical dangers
The vapour is heavier than air. 

Chemical dangers
The substance easily polymerizes under the influence of acids. 

Formula: C5H8O
Molecular mass: 84.12
Boiling point: 131°C
Melting point: -51°C
Relative density (water = 1): 0.95
Solubility in water: poor
Relative vapour density (air = 1): 2.3
Flash point: 26°C 


EXPOSURE & HEALTH EFFECTS

Routes of exposure
The substance can be absorbed into the body by inhalation of its vapour, through the skin and by ingestion. 

Effects of short-term exposure
The substance is irritating to the eyes, skin and possibly the respiratory tract. 

Inhalation risk
No indication can be given about the rate at which a harmful concentration of this substance in the air is reached on evaporation at 20°C. 

Effects of long-term or repeated exposure
 


Occupational exposure limits
 

ENVIRONMENT
 

NOTES
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. 

ADDITIONAL INFORMATION
  EC Classification
Symbol: Xi; R: 10-36/38; S: (2)-23 

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    See Also:
       Toxicological Abbreviations
       CYCLOPENTANONE (JECFA Evaluation)