Propylene GlycolCAS # 57-55-6
DESCRIPTION
Propylene glycol (IUPAC name: propane-1, 2-diol) is a viscous, colorless liquid, which is nearly odorless but possesses a faintly sweet taste. Its chemical formula is CH3CH(OH)CH2OH. Containing two alcohol groups, it is classed as a diol. It is miscible with a broad range of solvents, including water, acetone, and chloroform. In general, glycols are non-irritating and have very low volatility.
PROPERTIES
|
Appearance |
Colourless liquid |
|
Odor |
odorless |
|
Density |
1.036 g/cm3 |
|
Melting point |
−59 °C (−74 °F; 214 K) |
|
Boiling point |
188.2 °C (370.8 °F; 461.3 K) |
|
Solubility in water |
Miscible |
|
Solubility in ethanol |
Miscible |
|
Solubility in diethyl ether |
Miscible |
|
Solubility in acetone |
Miscible |
|
Solubility in chloroform |
Miscible |
APPLICATION
It is used to absorb extra water and maintain
moisture in certain medicines, cosmetics, or food products. It
is a solvent for food colors and flavors, and in the paint and plastics
industries. Propylene glycol is also used to create artificial smoke or fog
used in fire-fighting training and in theatrical productions.
PACKAGING OPTIONS
Drums