epsilon-CAPROLACTONE ICSC: 1741
6-Hydroxycaproic acid lactone
2-Oxepanone
Hexan-6-olide
1,6-Hexanolide
C6H10O2
Molecular mass: 114.2
ICSC #    1741
CAS #     502-44-3
RTECS # MO8400000
De, GHS rechecked
TYPES OF HAZARD/ EXPOSURE ACUTE HAZARDS/ SYMPTOMS PREVENTION FIRST AID/
FIRE FIGHTING
FIRE Combustible.
NO open flames.
Powder, alcohol-resistant foam, water spray, carbon dioxide.
EXPLOSION

In case of fire: keep drums, etc., cool by spraying with water.
EXPOSURE


 •INHALATION
Ventilation.
Fresh air, rest.
 •SKIN
Protective gloves.
Rinse skin with plenty of water or shower.
 •EYES Redness. Pain.
Safety goggles
Rinse with plenty of water (remove contact lenses if easily possible). Refer for medical attention.
 •INGESTION
Do not eat, drink, or smoke during work.
Rinse mouth.
SPILLAGE DISPOSAL STORAGE PACKAGING & LABELLING
Personal protection: safety goggles. Collect leaking liquid in covered containers. Absorb remaining liquid in sand or inert absorbent and remove to safe place.
Separated from strong bases, strong acids, strong oxidants. Dry. Well closed.

Signal: Warning
May be harmful if swallowed
Causes eye irritation
SEE IMPORTANT INFORMATION ON BACK
ICSC: 1741 Prepared in the context of cooperation between the International Programme on Chemical Safety & the Commission of the European Communities (C) IPCS CEC 1994. No modifications to the International version have been made except to add the OSHA PELs, NIOSH RELs and NIOSH IDLH values.
epsilon-CAPROLACTONE ICSC: 1741
Important Data
PHYSICAL STATE; APPEARANCE:
 COLOURLESS HYGROSCOPIC LIQUID , WITH CHARACTERISTIC ODOUR.

PHYSICAL DANGERS:

CHEMICAL DANGERS:
 Reacts with strong bases , strong acids and strong oxidants .

OCCUPATIONAL EXPOSURE LIMITS:
 TLV not established.
MAK not established.


 ROUTES OF EXPOSURE:

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

EFFECTS OF SHORT-TERM EXPOSURE:
 The substance is irritating to the eyes .

EFFECTS OF LONG-TERM OR REPEATED EXPOSURE:
PHYSICAL
PROPERTIES
Boiling point: 237°C
Melting point: -1.5°C
Density: 1.07 g/cm3
Solubility in water:
miscible
.
 Vapour pressure, Pa at 25°C: 0.8
Relative vapour density (air = 1): 3.9
Relative density of the vapour/air-mixture at 20°C (air = 1): 1.00
Flashpoint: 127°C o.c.
Auto-ignition temperature: 204°C
Explosive limits, vol% in air: 1.2-9
Octanol/water partition coefficient as log Pow: 0.68
ENVIRONMENTAL
DATA

N O T E S
ADDITIONAL INFORMATION


ICSC: 1741 epsilon-CAPROLACTONE
(C) IPCS, CEC, 1994
IMPORTANT LEGAL NOTICE:
Neither NIOSH, the CEC or the IPCS nor any person acting on behalf of NIOSH, the CEC or the IPCS is responsible for the use which might be made of this information. This card contains the collective views of the IPCS Peer Review Committee and may not reflect in all cases all the detailed requirements included in national legislation on the subject. The user should verify compliance of the cards with the relevant legislation in the country of use. The only modifications made to produce the U.S. version is inclusion of the OSHA PELs, NIOSH RELs and NIOSH IDLH values.