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PROPYLENE GLYCOL ICSC: 0321
Date of peer-review: October 1997

1,2-Propanediol
Methyl ethylene glycol
1,2-Dihydroxypropane
CAS # 57-55-6 C3H8O2 / CH3CHOHCH2OH
RTECS # TY2000000 Molecular mass: 76.09
UN #
EC #
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 Above 99C explosive vapour/air mixtures may be formed.
Above 99C use a closed system, ventilation.
In case of fire: keep drums, etc., cool by spraying with water.
EXPOSURE
STRICT HYGIENE!

Inhalation
Ventilation.
Fresh air, rest.
Skin
Protective gloves.
Remove contaminated clothes. Rinse skin with plenty of water or shower.
Eyes Redness. Pain.
Safety spectacles.
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.
SPILLAGE DISPOSAL PACKAGING & LABELLING
Collect leaking and spilled liquid in sealable containers as far as possible. Wash away spilled liquid with plenty of water.
EU Classification
UN Classification

EMERGENCY RESPONSE STORAGE
NFPA Code: H0; F1; R0;
See Chemical Dangers. Dry. Well closed. Ventilation along the floor.
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 2001

SEE IMPORTANT INFORMATION ON BACK


PROPYLENE GLYCOL ICSC: 0321
IMPORTANT DATA
PHYSICAL STATE; APPEARANCE:
COLOURLESS, ODOURLESS, HYGROSCOPIC, VISCOUS LIQUID

PHYSICAL DANGERS:
The vapour is heavier than air.

CHEMICAL DANGERS:
Reacts with strong oxidants, causing fire hazard.

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

INHALATION RISK:
A harmful contamination of the air will not or will only very slowly be reached on evaporation of this substance at 20C.

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

EFFECTS OF LONG-TERM OR REPEATED EXPOSURE:
Repeated or prolonged contact may cause skin sensitization.
PHYSICAL PROPERTIES
Boiling point: 188.2C
Melting point: -59C
Relative density (water = 1): 1.04
Solubility in water: miscible
Vapour pressure, Pa at 20C: 10.6
Relative vapour density (air = 1): 2.6
Flash point: 99C c.c.; 107C o.c.
Auto-ignition temperature: 371C
Explosive limits, vol% in air: 2.6-12.6
Octanol/water partition coefficient as log Pow: -0.92
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 2001

See Also:
        1,2-Propylene glycol (CHEMINFO)
        Propylene glycol (PIM 443)