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Specifications

Specifications
Productname:glycerol;Glycerine,1,2,3-Propanetriol;Trihydroxypropane;pharmacutical glycerin
CAS NO.:56-81-5
Formula: C3H8O3
I. Description:
It is the refined glycerol produced from water containing sweet water generated by saponification, hydrolysis or transesterification of animal or vegetable oils and fats.
Molecular Weight: 92.09 (according to 1987 international atomic weight)
1. Executive Standard:
1) The PRC national standard GBB206-91 is implemented in production of industrial glycerol
2) The Chinese Pharmacopoeia is implemented in production of medical glycerol
2. Packaging: 53 gallons galvanized drum with net weight of 250kg/drum.
3. Technical Requirements
1) Properties: Colorless or slightly yellow transparent and viscous liquid.
2) Physiochemical Indexes: Conform with the following table
s1,Specifications
Quality Control Data 1
 
 
 
 
 
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