INTOX Home Page
BENZOFURAN ICSC: 0388
Date of Peer Review: March 2002

2,3-Benzofuran
Coumarone
CAS # 271-89-6 C8H6O
RTECS # DF6423800 Molecular mass: 118.1
UN # 1993
EC Index #
TYPES OF HAZARD / EXPOSURE ACUTE HAZARDS / SYMPTOMS PREVENTION FIRST AID / FIRE FIGHTING
FIRE Flammable.
NO open flames, NO sparks, and NO smoking.
Foam, dry powder, carbon dioxide.
EXPLOSION Above 56C explosive vapour/air mixtures may be formed.
Above 56C use a closed system, ventilation, and explosion-proof electrical equipment.
In case of fire: keep drums, etc., cool by spraying with water.
EXPOSURE
AVOID ALL CONTACT!

Inhalation See EFFECTS OF LONG-TERM OR REPEATED EXPOSURE.


Skin


Eyes


Ingestion


SPILLAGE DISPOSAL PACKAGING & LABELLING
Remove all ignition sources. Collect leaking liquid in covered containers. Do NOT wash away into sewer. Do NOT let this chemical enter the environment.
EU Classification
UN Classification
UN Hazard Class: 3
UN Subsidiary Risks: III

EMERGENCY RESPONSE STORAGE

Fireproof. Well closed. Cool.
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 2005

SEE IMPORTANT INFORMATION ON BACK
BENZOFURAN ICSC: 0388
IMPORTANT DATA
PHYSICAL STATE; APPEARANCE:
COLOURLESS OILY LIQUID, WITH CHARACTERISTIC ODOUR.

CHEMICAL DANGERS:
The substance will slowly polymerize at ambient temperatures, but more rapidly under the influence of heat and under the influence of acidic catalyst.

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

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 20C.

EFFECTS OF LONG-TERM OR REPEATED EXPOSURE:
The substance may have effects on the kidneys and liver. This substance is possibly carcinogenic to humans.
PHYSICAL PROPERTIES
Boiling point: 174C
Melting point: <-18C
Relative density (water = 1): 1.09
Solubility in water: none
Vapour pressure, kPa at 25C: 0.06
Relative density of the vapour/air-mixture at 20C (air = 1): 1.00
Flash point: 56C
Octanol/water partition coefficient as log Pow: 2.67
ENVIRONMENTAL DATA
The substance is harmful to aquatic organisms. It is strongly advised that this substance does not enter the environment.
NOTES
Explosive limits are unknown in literature, although the substance is combustible and has a flash point < 61C. 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


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 2005