Physical & Chemical Description

Classification:Alcohol

CAS No.:56-81-5

Other Names:Glycerol

MF:C3H8O3

EINECS No.:200-289-5

Product Introduction

Glycerin is colorless transparent sticky liquid, without unpleasant odor, slightly sweet, soluble in ethanol, water and few inorganic matters, insoluble in chloroform, ether, benzene, carbon disulfide and oils.

Technical Specifications

Item			Index
High class		First class		Second class
Appearance	Transparent liquid		Transparent liquid		Transparent liquid
Color Hazen	≤20		≤30		≤30
Glycerin %	≥99.5		≥98.0		≥95.0
Density(20℃)g/ml	≥1.2598		≥1.2559		≥1.2481
Chloride(as Cl )%	«0.001		«0.01		--
Sulfatizing ash%	≤0.01		≤0.01		≤0.05
Acidity or Alkalinity(mmol/100g)	≤0.05		≤0.10		≤0.30
Saponification Equivalent( mmol/100g)	≤0.40		≤1.0		≤3.0
As mg/kg	≤2		≤2		--
Heavy metals(as Pb)mg/kg	≤5		≤5		--
Reductive matter		No precipitation or silver mirror		--

Application

In medicine, it is used to making various preparations, solvent, hygroscopic agent, antifreeze and sweeteners, preparation for external use ointment or suppository, with glycerol nitroglycerin used for explosive materials.
In the coatings industry, it is used for making all kinds of alkyd resin and polyester resin, epoxy resin and glycidyl ether.
In textile and printing industry, it is used for preparing wetting agent hygroscopic agent, fabric anti-creasing shrink proof treatment agent, dispersant and penetrating agent.
In the food industry , it is used as sweetener, tobacco hygroscopic agent and solvent.
In addition, in the paper, cosmetics, leather, photography, printing, metal processing rubber and other industries widely application