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Glycerin

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Description

Prodution Description

Glycerin known as glucerine, pure glycerol is a colorless, odorless, viscous liquid with a sweet taste. Boiling point of 290 ºC, melting point 17.9 ºC, relative density of 1.2613. Infinitely miscible with water, dried over anhydrous glucerine has a strong water absorption.

Product Name: Glycerin
Chemical Name: Glycerol
Molecular Formula: C3H6O3

Characters: colorless, odorless, transparent, viscous liquid, sweet, moisture absorption, flammability, low toxicity

 

Specification

Method Specified Range Typical values
Relative density 20 /20°C2 ISO 2099 (Part 2) : 1972 1.2623 min 1.2632
Refractive index n20D2 APAG-GL-006 : 1988 1.4731 min 1.4737
Glycerine content %1 APAG-GL-009 : 1988 99.5 min 99.8
Colour APHA1 ASTM D1209 : 1993 10 max 2.5
Fatty acids & esters 1

(ml 0.5N NaOH/50g)

 USP XXllI : 1995 1.0 max 0.14
Sulphated ash %2 USP XXllI : 1995 0.01 max 0.004
Chlorides ppm Cl2 USP XXllI : 1995 10 max <  10
Heavy metals ppm Pb2 USP XXlIl (Mtd 1) : 1995 5 max <    5
Chlorinated compounds ppm Cl2 USP XXllI : 1995 30 max <  30
Arsenic ppm2 USP XXllI : 1995 1.5 max < 1.5
Sulphate ppm2 USP XXllI : 1995 20 max <  20

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