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Propylene Glycol

Propylene Glycol

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Propylene Glycol

Propylene Glycol, also called 1,2-propanediol or propane-1,2-diol, is an organic compound (double alcohol) with formula C3H8O2 or HO-CH2-CHOH-CH3. It is a colorless, nearly odorless, clear, viscous liquid with a faintly sweet taste, hygroscopic and miscible with water, acetone, and chloroform. The compound is sometimes called propylene glycol to distinguish it from the isomer propane-1,3-diol HO-(CH2)3-OH, also called propylene glycol.

Specification:

Items Units Pharmaceutical Grade Food Grade First Grade Qualified Grade
Purity % 99.8 99.6 99.5 99.0
Water % 0.2 0.2

Initial boiling point
182 180

Drying point
189 191

Distillation Range
184~189 183~190 183~190 182~190
Color(Pt-Co)
10 10 15 25
Ash % 0.01 0.01 0.01 0.02
Heavy Metal(Measured with Pb) ppm 6 6

Arsenic ppm 5 5

chlorides(Measured with Cl-) ppm 10 10

Sulphates(Measured with SO42-) ppm 10 10

Density (25 C)g/cm3 1.037~1.039
Appearance Colorless, transparent and sticky liquid


 



PACKAGES : Packed in iron or high density drums of 200±0.5kg net each

USAGES : Propylene glycol is a raw material for producing unsaturated of plasticizer, dehydrant, surface active agent, firming agent and binder. Moreover, PG can be used as antiseptics, ice inhibitor and moisture preserver of tobacco.