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COUMARIN ICSC: 1105
Date of Peer Review: March 1998

1,2-Benzopyrone
2H-1-Benzopyran-2-one
CAS # 91-64-5 C9H6O2
RTECS # GN4200000 Molecular mass: 146.14
UN # 2811
EC #
TYPES OF HAZARD / EXPOSURE ACUTE HAZARDS / SYMPTOMS PREVENTION FIRST AID / FIRE FIGHTING
FIRE Combustible.
NO open flames.
Water spray, foam, powder, carbon dioxide.
EXPLOSION


EXPOSURE
PREVENT DISPERSION OF DUST!

Inhalation
Ventilation.
Fresh air, rest.
Skin MAY BE ABSORBED! Redness. Pain.
Protective gloves. Protective clothing.
Remove contaminated clothes. Rinse and then wash skin with water and soap.
Eyes
Face shield.
First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
Ingestion
Do not eat, drink, or smoke during work.
Rinse mouth. Refer for medical attention.
SPILLAGE DISPOSAL PACKAGING & LABELLING
Carefully collect remainder, then remove to safe place. (Extra personal protection: P2 filter respirator for harmful particles).
Do not transport with food and feedstuffs.
EU Classification
UN Classification
UN Hazard Class: 6.1
UN Pack Group: I,II,III
EMERGENCY RESPONSE STORAGE
Transport Emergency Card: TEC (R)-61G12c
Separated from food and feedstuffs.
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 1999

SEE IMPORTANT INFORMATION ON BACK


COUMARIN ICSC: 1105
IMPORTANT DATA
PHYSICAL STATE; APPEARANCE:
COLOURLESS FLAKES, WITH CHARACTERISTIC ODOUR.

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

INHALATION RISK:
Evaporation at 20C is negligible; a nuisance-causing concentration of airborne particles can, however, be reached quickly.

EFFECTS OF SHORT-TERM EXPOSURE:
The substance irritates the skin.

EFFECTS OF LONG-TERM OR REPEATED EXPOSURE:
This substance is possibly carcinogenic to humans.
PHYSICAL PROPERTIES
Boiling point: 297-299C
Melting point: 68-70C
Density: 0.94 g/cm^3
Solubility in water: poor
Vapour pressure, kPa at 106C: 0.13
Flash point: 150C
Octanol/water partition coefficient as log Pow: 1.39
ENVIRONMENTAL DATA

NOTES

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 1999