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ETHYL ACETOACETATE ICSC: 1024
Date of peer-review: April 2000

Acetoacetic acid ethyl ester
Ethyl acetylacetate
3-Oxobutanoic acid ethyl ester
1-Ethoxybutane-1,3-dione
CAS # 141-97-9 C6H10O3 / CH3COCH2COOC2H5
RTECS # AK5250000 Molecular mass: 130.14
UN #
EC #
TYPES OF HAZARD / EXPOSURE ACUTE HAZARDS / SYMPTOMS PREVENTION FIRST AID / FIRE FIGHTING
FIRE Combustible.
NO open flames.
Powder, water spray, foam, carbon dioxide.
EXPLOSION Above 70°C explosive vapour/air mixtures may be formed.
Above 70°C use a closed system, ventilation.

EXPOSURE
PREVENT GENERATION OF MISTS!

Inhalation Cough. Sore throat.
Ventilation.
Fresh air, rest.
Skin Redness.
Protective gloves.
Remove contaminated clothes. Rinse and then wash skin with water and soap.
Eyes Redness. Pain.
Safety spectacles.
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.
Rinse mouth. Give plenty of water to drink. Rest.
SPILLAGE DISPOSAL 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. Wash away remainder with plenty of water.
EU Classification
UN Classification

EMERGENCY RESPONSE STORAGE
NFPA Code: H 2; F 2; R 0;
Separated from strong oxidants. Ventilation along the floor. Well closed.
IPCS
International
Programme on
Chemical Safety
Prepared in the context of cooperation between the International Programme on Chemical Safety and the Commission of the European Communities © IPCS, CEC 2001

SEE IMPORTANT INFORMATION ON BACK


ETHYL ACETOACETATE ICSC: 1024
IMPORTANT DATA
PHYSICAL STATE; APPEARANCE:
COLOURLESS LIQUID, WITH CHARACTERISTIC ODOUR.

PHYSICAL DANGERS:
The vapour is heavier than air.

CHEMICAL DANGERS:
Reacts with strong oxidants.

OCCUPATIONAL EXPOSURE LIMITS:
TLV not established. MAK not established.
ROUTES OF EXPOSURE:
The substance can be absorbed into the body by inhalation.

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 eyes, the skin and the respiratory tract.

PHYSICAL PROPERTIES
Boiling point: 180.8°C
Melting point: -45°C
Relative density (water = 1): 1.021
Solubility in water, g/100 ml at 20°C: 2.86
Vapour pressure, kPa at 20°C: 0.1
Relative vapour density (air = 1): 4.48
Flash point: 70°C c.c.
Auto-ignition temperature: 295°C
Explosive limits, vol% in air: 1-54
Octanol/water partition coefficient as log Pow: 0.27
ENVIRONMENTAL DATA

NOTES

ADDITIONAL INFORMATION


LEGAL NOTICE Neither the CEC nor 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
© IPCS, CEC 2001


    See Also:
       Toxicological Abbreviations
       ETHYL ACETOACETATE (JECFA Evaluation)