International Chemical Safety Cards

CYCLOPENTANONE ICSC: 0427
CYCLOPENTANONE
Ketocyclopentane
Adipic ketone
C5H8O
Molecular mass: 84.12
CAS # 120-92-3
RTECS # GY4725000
ICSC # 0427
UN # 2245
EC # 606-025-00-9
TYPES OF
HAZARD/
EXPOSURE 		ACUTE HAZARDS/
SYMPTOMS 		PREVENTION FIRST AID/
FIRE FIGHTING
FIRE Flammable. Heating will cause rise in pressure with risk of bursting.
NO open flames, NO sparks, and NO smoking.
Powder, AFFF, foam, carbon dioxide.
EXPLOSION Gas/air mixtures are explosive.

In case of fire: keep drums, etc., cool by spraying with water.
 
EXPOSURE


INHALATION Cough. Sore throat.
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.
Safety goggles.
First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
INGESTION
Do not eat, drink, or smoke during work.

SPILLAGE DISPOSAL STORAGE PACKAGING & LABELLING
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.
Fireproof. Separated from acids. Cool. Keep in the dark. Keep in a well-ventilated room. Store only if stabilized.

Xi symbol
R: 10-36/38
S: (2-)23
UN Hazard Class: 3
UN Packing Group: III
SEE IMPORTANT INFORMATION ON BACK
ICSC: 0427 Prepared in the context of cooperation between the International Programme on Chemical Safety & the Commission of the European Communities © IPCS CEC 1993

International Chemical Safety Cards

CYCLOPENTANONE ICSC: 0427

I

M

P

O

R

T

A

N

T



D

A

T

A
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.

OCCUPATIONAL EXPOSURE LIMITS (OELs):
TLV not established.


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:
PHYSICAL
PROPERTIES
 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
ENVIRONMENTAL
DATA
N O T E S
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.
Transport Emergency Card: TEC (R)-586/30G35
NFPA Code: H2; F3; R0;
ADDITIONAL INFORMATION


ICSC: 0427 CYCLOPENTANONE
© IPCS, CEC, 1993
IMPORTANT LEGAL NOTICE: Neither the CEC or the IPCS nor any person acting on behalf of 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.