Sell propylene glycol @China (Mainland)
Propylene Glycol
Molecular formula: C3H8O2
CAS No.: 57-55-6
HS Code: 29053200
Colorless, viscous and transparent liquid
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
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
Arsenic: 5 ppm max
Organic volatile impurites: 1. Chloroform: 60 ppm
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Post by anthony carr Chemicals @2011-10-27 15:09:21
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