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BENZOFURANICSC: 0388
July 2002
CAS #: 271-89-62,3-Benzofuran
Coumarone
UN #: 1993
EINECS #: 205-982-6

  ACUTE HAZARDS PREVENTION FIRE FIGHTING
FIRE & EXPLOSION Flammable.  Above 56°C explosive vapour/air mixtures may be formed.  NO open flames, NO sparks and NO smoking.  Above 56°C use a closed system, ventilation and explosion-proof electrical equipment.  Use foam, dry powder, carbon dioxide.  In case of fire: keep drums, etc., cool by spraying with water. 

 AVOID ALL CONTACT!  
  SYMPTOMS ACUTE HAZARDS FIRST AID
Inhalation See Effects of long-term or repeated exposure.     
Skin      
Eyes      
Ingestion      

SPILLAGE DISPOSAL CLASSIFICATION & LABELLING
Remove all ignition sources. Do NOT wash away into sewer. Do NOT let this chemical enter the environment. Collect leaking and spilled liquid in covered containers as far as possible. 

According to UN GHS Criteria

 

Transportation
UN Classification
UN Hazard Class: 3; UN Subsidiary Risks: 3 

STORAGE
Fireproof. Well closed. Cool. 
PACKAGING
 
BENZOFURAN ICSC: 0388
PHYSICAL & CHEMICAL INFORMATION

Physical State; Appearance
COLOURLESS OILY LIQUID WITH CHARACTERISTIC ODOUR. 

Physical dangers
 

Chemical dangers
The substance slowly polymerizes at ambient temperatures. The substance more rapidly polymerizes under the influence of heat and under the influence of acidic catalyst. 

Formula: C8H6O
Molecular mass: 118.1
Boiling point: 174°C
Melting point: <-18°C
Relative density (water = 1): 1.09
Solubility in water: none
Vapour pressure, kPa at 25°C: 0.06
Relative density of the vapour/air-mixture at 20°C (air = 1): 1.00
Flash point: 56°C
Octanol/water partition coefficient as log Pow: 2.67  


EXPOSURE & HEALTH EFFECTS

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

Effects of short-term exposure
 

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
The substance may have effects on the kidneys and liver. This substance is possibly carcinogenic to humans. 


Occupational exposure limits
 

ENVIRONMENT
The substance is harmful to aquatic organisms. It is strongly advised not to let the chemical enter into the environment. 

NOTES
Explosive limits are unknown in literature, although the substance is combustible and has a flash point < 61°C.
Do NOT take working clothes home.
Insufficient data are available on the effect of this substance on human health, therefore utmost care must be taken. 

ADDITIONAL INFORMATION
  EC Classification
 

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    See Also:
       Toxicological Abbreviations
       Benzofuran (IARC Summary & Evaluation, Volume 63, 1995)