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Propylene Glycol

CAS # 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