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Glycerine

This product is made of animal and plant fat by saponification, hydrolysis or transesterification..

Structural formula

Molecular weight: 92.09 (1987 international atomic weight)

1. Standard:
1) Technical glycerin is in accordance with standard of people's Republic of China GB13206-91.
2) Medicine glycerin is in accordance with pharmacopoeia of People's Republic of China(2005 version).

2. Technical index:

Properties: colorless or yellowish transparent thick liquid
Physiochemical index:in accordance with the following

Item/type	Industrial glycerin	Cosmetics grade glycerin	Special Glycerin	Pharmaceutical Glycerin	High Assay Glycerin
Appearance	transparent , no suspended matter	transparent , no suspended matter	transparent , no suspended matter	transparent , no suspended matter	transparent , no suspended matter
Odor	No odor	No odor	No odor	No odor	No odor
Chroma Hazen	≤40	≤40	≤20	Potassium dichromate solution ≤0.2ml	≤10
Glycerin Assay %	≥95	≥97.0	≥98.5	≥98.0	≥99.5
Density(20℃)gml	≥1.2481	≥1.2533	≥1.2572	≥1.2569	≥1.2612
Chloride (as cl )%	/	≤0.01	≤0.001	≤0.0015	≤0.001
Sulfated ash%	≤0.05	≤0.03	≤0.01	/	≤0.01
Acidity or alkalescence mmol/100g	≤0.30	≤0.10	≤0.064	≤0.10	≤0.02
Saponification equivalent mmol/100g	≤3	≤1.0	≤0.60	/	/
Reducible substance	/	/	no settlement or silvery mirror	/	/
Fatty acid and esters ( 0.1mol/LnaOH on 40g glycerin)	/	/	/	≤3.6	≤1.0
Acrolein, dextrose and ammonium salt	/	/	/	Take 5ml this product, add 10% KOH solution. Keep it at 60oC for five minutes, no yellowing or should happen	/
As mg/kg	/	/	≤2.0	≤2.0	≤1.5
Heavy metals mg/kg	/	/	≤5.0	≤2.0	≤5.0
Fe mg/kg	/	/	/	≤2.0	≤2.0
Sulphate %	/	/	/	≤0.002	≤0.002
Residue on ignition mg/20g	/	/	/	≤2.0	≤2.0
Readily carbonizable substance	/	/	/	Meet pharmacopoeia standard	/