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Chemicals

Propylene Glycol

Molecule 3D Structure Image
Molecule Structure Image

Description

 

Propylene Glycol is an organic compound. Large amount of it is used in the plastics industry for the manufacture of polyester fibers and alkyd resins. It is used as a main ingredient in automobile antifreeze and engine-cooling liquids and in brake and hydraulic fluids due to its useful properties of low freezing point, involatility and low corrosive activity. It is used in the preparation of body-care surfactants and also as a humectant in foods and cosmetics. It is used as a solvent for colouring or flavouring agents as well as in many oral, injectable or topical pharmaceuticals. Its antibacterial property is applied in the preparation of sanitizing lotions.

Chemical Properties

AR Assay 99.5%
Appearance Clear Viscous Liquid
Boiling Point -188.2 °C
CAS Number 57-55-6
ChEBI 16997
Density 1.036 g/cm3
EINECS Number 200-338-0
HS Code 29053200
IUPAC Name Propane-1,2-diol
InChI 1S/C3H8O2/c1-3(5)2-4/h3-5H,2H2,1H3
InChIKey DNIAPMSPPWPWGF-UHFFFAOYSA-N
LR Assay 99.5%
Melting Point −59 °C
Molar Mass 76.09 g/mol
Molecular Formula C3H8O2
NFPA 704 H-0,F-1,R-0,C-NA
RTECS Number TY6300000
Refractive 1.432 n20/D
Solubility Fully miscible
Synonyms Propylene Glycol;α-Propylene Glycol;1,2-Propanediol;1,2-Dihydroxypropane;Methyl Ethyl Glycol;MEG;Methylethylene Glycol;PG;Sirlene;Dowfrost;dl-Propylene Glycol
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