Propylene Glycol Food grade
NO.:It is the important raw material of epoxy resin, polyurethane resin,also used to food, medicine and antifreezing agent.
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It is the important raw material of epoxy resin, polyurethane resin,also used to food, medicine and antifreezing agent.
1.Propylene Glycol,Colorless, transparent liquid.
2.CAS No 57-55-6
3.Molecular Formula C3H8O2
4.Molecular Weight 76.10
Usage:
1.epoxy resin
2.Polyurethane resin
3.medicine and antifreezing agent.
Propylene Glycol
|
TESTS |
USP SPECIFICATIONS |
|
Description/ Appearance |
Colorless, viscous, clear hygroscopic liquid without odor |
|
Identification |
Pass |
|
Assay (Purity) |
99.5% min |
|
Specific gravity |
1.0350- 1.0410 g/cm3 at 25 °C |
|
Index of refraction |
1.4307- 1.4317 nD20 |
|
Acidity |
≤ 0.20 ml of 0.10 N NaOH |
|
Water/Moisture |
0.2% max |
|
Residue on ignition |
4.0 mg max |
|
Chloride |
5 ppm max |
|
Heavy metals(as Pb) |
5 ppm max |
|
sas SO42- |
10 ppm max |
|
Oxidizing substances |
Not required |
|
Arsenic |
5 ppm max |
|
Reducing substances |
Not required |
|
Organic volatile impurities |
|