ICSC 0427 - CYCLOPENTANONE

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CYCLOPENTANONE	ICSC: 0427 (August 1997)
Ketocyclopentane Adipic ketone

CAS #: 120-92-3

UN #: 2245

EC Number: 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	PREVENTION	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

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

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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