Propylene Glycol USP grade
Molecular Weight: 76.095
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TESTS
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USP SPECIFICATIONS |
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Description/
Appearance |
Colorless, viscous, clear hygroscopic liquid without odor |
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Identification |
IR test |
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Assay (Purity) |
99.5% min |
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Specific gravity |
1.035 – 1.037 g/cm3 at 25 °C |
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Index of refraction |
1.431 – 1.433 nD20 |
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Acidity |
≤ 0.20 ml of 0.10 N NaOH |
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Water/Moisture |
0.2% max |
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Residue on ignition |
4.0 mg max |
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Chloride |
5 ppm max |
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Heavy metals(as Pb) |
5 ppm max |
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Sulphates(as SO42-) |
10 ppm max |
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Oxidizing substances |
Not required |
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Arsenic |
5 ppm max |
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Reducing substances |
Not required |
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Organic volatile impurities |
a. Chloroform: 60 ppm
b. 1,4-dioxane: 400 ppm
c. Methylene chloride: 600 ppm
d. Trichloroethylene: 100 ppm |
Description: Mono Propylene Glycol
CAS No.: 55-57-6
Packed in 215/210KG iron drums ,
20'FCL=16.8/17.2MT Non-Palletized;
1 iso tank=20-22MT