Glycerin 1,2,3-Propanetriol 1,2,3-Trihydroxypropane
CAS #: 56-81-5
EC Number: 200-289-5
FIRE & EXPLOSION
Combustible. Gives off irritating or toxic fumes (or gases) in a fire.
NO open flames.
Use water spray, alcohol-resistant foam, dry powder, carbon dioxide. In case of fire: keep drums, etc., cool by spraying with water.
Fresh air, rest.
Rinse skin with plenty of water or shower. Rinse skin with plenty of water or shower.
Wear safety goggles.
First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention.
Do not eat, drink, or smoke during work.
Rinse mouth. Rinse mouth.
CLASSIFICATION & LABELLING
Ventilation. Collect leaking and spilled liquid in covered containers as far as possible. Absorb remaining liquid in sand or inert absorbent. Then store and dispose of according to local regulations.
According to UN GHS Criteria
Separated from strong oxidants.
PHYSICAL & CHEMICAL INFORMATION
Physical State; Appearance
HYGROSCOPIC VISCOUS COLOURLESS LIQUID.
Decomposes on heating. This produces corrosive fumes of acrolein. Reacts with strong oxidants. This generates fire and explosion hazard.
3H 8O 3 / CH 2OH-CHOH-CH 2OH
Molecular mass: 92.1
Boiling point: 290°C Melting point: 18°C Relative density (water = 1): 1.26 Solubility in water: miscible Vapour pressure, Pa at 25°C: 0.01 Relative vapour density (air = 1): 3.2 Flash point: 176°C c.c. Auto-ignition temperature: 393°C Explosive limits, vol% in air: 2.6-11.3 Octanol/water partition coefficient as log Pow: -1.76
EXPOSURE & HEALTH EFFECTS
Routes of exposure
Effects of short-term exposure
Evaporation at 20°C is negligible; a nuisance-causing concentration of airborne particles can, however, be reached quickly on spraying.
Effects of long-term or repeated exposure
OCCUPATIONAL EXPOSURE LIMITS
MAK: (inhalable fraction): 200 mg/m
3; peak limitation category: I(2); pregnancy risk group: C
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GLYCEROL (JECFA Evaluation)