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PHORONEICSC: 1157
2,6-Dimethyl-2,5-heptadien-4-one
Diisopropylidene acetone
March 1996
CAS #: 504-20-1
EC Number: 207-986-3

  ACUTE HAZARDS PREVENTION FIRE FIGHTING
FIRE & EXPLOSION Combustible.  Above 85°C explosive vapour/air mixtures may be formed.  NO open flames.  Above 85°C use a closed system and ventilation.  Use powder, AFFF, foam, carbon dioxide.   

   
  SYMPTOMS PREVENTION FIRST AID
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 CLASSIFICATION & 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. 

According to UN GHS Criteria

 

Transportation
UN Classification
 

STORAGE
 
PACKAGING
 
PHORONE ICSC: 1157
PHYSICAL & CHEMICAL INFORMATION

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

Physical dangers
 

Chemical dangers
 

Formula: C9H14O / (CH3)2C=CHCOCH=C(CH3)2
Molecular mass: 138.2
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 


EXPOSURE & HEALTH EFFECTS

Routes of exposure
The substance can be absorbed into the body by inhalation. 

Effects of short-term exposure
See Notes. 

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
See Notes. 


OCCUPATIONAL EXPOSURE LIMITS
 

ENVIRONMENT
 

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
  EC Classification
 

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    See Also:
       Toxicological Abbreviations