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DIISOPROPYLBENZENE (mixture)
ICSC: 1714
Peer-Review Status: 09.04.2008 Validated
Benzene, bis(1-methylethyl)
Bis(1-methylethyl)benzene 
CAS #: 25321-09-9 RTECS #: CZ6330000
UN #: 3082
EINECS #: 246-835-6
    Formula: C12 H18
Molecular mass: 162.3

TYPES OF
HAZARD /
EXPOSURE
ACUTE HAZARDS / SYMPTOMS      PREVENTION      FIRST AID / FIRE FIGHTING
FIRE Combustible.  NO open flames.  Use powder, carbon dioxide. 
EXPLOSION Above 77°C explosive vapour/air mixtures may be formed.  Above 77°C use a closed system and ventilation.  In case of fire: keep drums, etc., cool by spraying with water. 
 
EXPOSURE   PREVENT GENERATION OF MISTS!   
Inhalation Headache. Drowsiness.  Use ventilation.  Fresh air, rest. 
Skin   Protective gloves.  Rinse and then wash skin with water and soap. 
Eyes   Wear safety spectacles.  Rinse with plenty of water (remove contact lenses if easily possible). 
Ingestion   Do not eat, drink, or smoke during work.  Rinse mouth. Rest. 

SPILLAGE DISPOSAL
PACKAGING & LABELLING
Remove all ignition sources. Do NOT let this chemical enter the environment. Ventilation. Collect leaking liquid in covered containers. Absorb remaining liquid in sand or inert absorbent. Then store and dispose of according to local regulations.   
EC Classification
 
UN Classification
UN Hazard Class: 9; UN Pack Group: III 
GHS Classification
Signal: Warning
Combustible liquid
May cause drowsiness and dizziness
Very toxic to aquatic life 
excl mark;warnenviro;aqua

EMERGENCY RESPONSE SAFE STORAGE
NFPA Code: H1; F2; R0.  Provision to contain effluent from fire extinguishing. Keep in a well-ventilated room. Store in an area without drain or sewer access. 

IMPORTANT DATA
Physical State; Appearance
COLOURLESS LIQUID WITH PUNGENT ODOUR. 

Physical dangers
 

Chemical dangers
 

Occupational exposure limits
TLV not established.
MAK (not established):. 

Routes of exposure
 

Inhalation risk
No indication can be given about the rate at which a harmful concentration of this substance in the air is reached. 

Effects of short-term exposure
Exposure at high levels could cause lowering of consciousness. 

Effects of long-term or repeated exposure
 


PHYSICAL PROPERTIES ENVIRONMENTAL DATA
Boiling point: 203-205°C
Density: 0.9 g/cm³
Solubility in water at 25°C: poor
Relative vapour density (air = 1): 5.6
Relative density of the vapour/air-mixture at 20°C (air = 1): 1
Flash point: 77°C o.c.
Auto-ignition temperature: 449°C
Octanol/water partition coefficient as log Pow: 5.2  
The substance is very toxic to aquatic organisms. It is strongly advised not to let the chemical enter into the environment. 

NOTES
This card is based on a mixture of m-diisopropylbenzene (CAS # 99-62-7) and p-diisopropylbenzene (CAS # 100-18-5). 

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