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PHORONE
ICSC: 1157
Peer-Review Status: 28.03.1996 Validated
2,6-Dimethyl-2,5-heptadien-4-one
Diisopropylidene acetone 
CAS #: 504-20-1 RTECS #: MI5500000
EINECS #: 207-986-3
    Formula: C9H14O / (CH3)2C=CHCOCH=C(CH3)2
Molecular mass: 138.2

TYPES OF
HAZARD /
EXPOSURE
ACUTE HAZARDS / SYMPTOMS      PREVENTION      FIRST AID / FIRE FIGHTING
FIRE Combustible.  NO open flames.  Use powder, AFFF, foam, carbon dioxide. 
EXPLOSION Above 85°C explosive vapour/air mixtures may be formed.  Above 85°C use a closed system and ventilation.   
 
EXPOSURE      
Inhalation Cough. Shortness of breath. Sore throat.  Avoid inhalation of dust and mist. Use 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.  Wear safety spectacles.  First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention. 
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. Then store and dispose of according to local regulations. If solid: sweep spilled substance into containers. Carefully collect remainder. Then store and dispose of according to local regulations.   
EC Classification
 
UN Classification
 
GHS Classification
 

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

IMPORTANT DATA
Physical State; Appearance
YELLOW-TO-GREEN LIQUID OR CRYSTALS. 

Physical dangers
 

Chemical dangers
 

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 at which a harmful concentration of this substance in the air is reached on evaporation at 20°C. 

Effects of short-term exposure
See Notes. 

Effects of long-term or repeated exposure
See Notes. 


PHYSICAL PROPERTIES ENVIRONMENTAL DATA
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 
 

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
 

IPCS
International
Programme on
Chemical Safety
WHO ILO EC Prepared in the context of cooperation between the International Programme on Chemical Safety and the European Commission
© IPCS 2004-2012
LEGAL NOTICE Neither the EC nor the IPCS nor any person acting on behalf of the EC or the IPCS is responsible for the use which might be made of this information.


    See Also:
       Toxicological Abbreviations