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PHORONE ICSC: 1157
Date of peer-review: March 1996

2,6-Dimethyl-2,5-heptadien-4-one
Diisopropylidene acetone
CAS # 504-20-1 C9H14O / (CH3)2C=CHCOCH=C(CH3)2
RTECS # MI5500000 Molecular mass: 138.2
UN #
EC #
TYPES OF HAZARD / EXPOSURE ACUTE HAZARDS / SYMPTOMS PREVENTION FIRST AID / FIRE FIGHTING
FIRE Combustible.
NO open flames.
Powder, AFFF, foam, carbon dioxide.
EXPLOSION Above 85°C explosive vapour/air mixtures may be formed.
Above 85°C use a closed system, ventilation.

EXPOSURE


Inhalation Cough. Shortness of breath. Sore throat.
Avoid inhalation of fine dust and mist. Ventilation, local exhaust, or breathing protection.
Fresh air, rest. Refer for medical attention.
Skin Redness.
Protective gloves.
Remove contaminated clothes. Rinse skin with plenty of water or shower.
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 Abdominal pain. Nausea.
Do not eat, drink, or smoke during work.
Rinse mouth. Refer for medical attention.
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. If material is in solid form, sweep spilled substance into containers, carefully collect remainder, then remove to safe place.
EU Classification
UN Classification

EMERGENCY RESPONSE STORAGE
NFPA Code: H2; F2; R0;

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


PHORONE ICSC: 1157
IMPORTANT DATA
PHYSICAL STATE; APPEARANCE:
YELLOW TO GREEN LIQUID OR CRYSTALS.

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

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:
See Notes.

EFFECTS OF LONG-TERM OR REPEATED EXPOSURE:
See Notes.
PHYSICAL PROPERTIES
Boiling point: 198°C
Melting point: 28°C
Relative density (water = 1): 0.9
Solubility in water: poor
Vapour pressure, Pa at 20°C: 51
Relative vapour density (air = 1): 4.8
Relative density of the vapour/air-mixture at 20°C (air = 1): 1.00
Flash point: 85°C o.c.
Explosive limits, vol% in air: 0.8-3.8
ENVIRONMENTAL DATA

NOTES
Insufficient data are available on the effect of this substance on human health, therefore utmost care must be taken. No primary references were found. The relation between odour and the occupational exposure limit cannot be indicated.
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