Product Main

Specifications

Name: Propylene Glycol
Type: CAS No. 57-55-6
Size: LM1001
Detailed Product Description:
 
Name:Propylene Glycol
We can supply you Industrial grade and pharmaceutical grade Propylene Glycol.
 
1. Propylene Glycol Industrial grade                         
1). Molecular Weight: 76.095   CAS No.: 55-57-6                              
2) Specifications as below:
Appearance: Colorless, viscous, clear hygroscopic liquid
Identification: IR test
Assay (Purity): 99% min 
Specific gravity: 1.037 1.039 g/cm3 at 25 °C
Index of refraction: 1.431 1.433 nD20
Acidity: ≤ 0.20 ml of 0.10 N NaOH
sas Cl: -10ppm
Water/Moisture: 0.2% max
Residue on ignition: 0.01%
Distillation range: 180-190
Color: 15 APHA
Heavy metals: 6 ppm max
Oxidizing substances: Not required
Reducing substances: Not required
 
 
2. Propylene Glycol pharmaceutical grade
Appearance: Colorless, viscous, clear hygroscopic liquid
Identification; IR test
Assay (Purity); 99.5% min
Specific gravity: 1.035 1.037 g/cm3 at 25 °C
Index of refraction: 1.431 1.433 nD20
Acidity: ≤ 0.20 ml of 0.10 N NaOH
sas SO42-: 10ppm max
Water/Moisture: 0.2% max
Residue on ignition: 4.0 mg max
Chloride: 5 ppm max
Heavy metals (as Pb): 5 ppm max
Oxidizing substances: Not required
Arsenic: 5 ppm max
Reducing substances: Not required
Organic volatile impurites:    1. Chloroform: 60 ppm
                           2. 1,4-dioxane: 400 ppm
3. Methylene chloride: 600 ppm
4.Trichloroethylene: 100 ppm

3) Packing:
Packed in 215/ 210KG iron drums;
20'FCL=17.2/16.8MT Non-Palletized;
1 iso tank=20-22MT
 
Application:
Propylene Glycol is a main material for making unsaturated polyester resin, and also as the material for plasticizer,surface,active agent,emulsifying agent and demulsifier.
 
Propylene glycol can be used as raw material for unsaturated polyester resins, As plasticizers, surfactants, emulsifiers, and demulsifiers raw materials. Can be used as mildew, fruit ripening agents, preservatives, antifreeze and tobacco humectant.