1,2-PROPANEDIOL
SYNONYM: MONOPROPYLENE GLYCOL
FORMULA: C3H8O2
M. W.: 76.095
CAS NO.: 57-55-6
GRADE: PHARM. GRADE
DESCRIPTION: IT IS A COLORLESS, CLEAR, VISCOUS LIQUID. IT IS
ODORLESS AND HAS SLIGHT SWEET TASTE AND IS EASY TO BE WET, EASY SOLUBLE IN
ETHANOL, CHLOROFORM.
SPECIFICATIONS:
APPEARANCE |
COLORLESS, CLEAR, VISCOUS
LIQUID |
ACIDITY (titration NAOH) |
05ml MAX. |
RELATIVE DENSITY (20/20℃) |
1.035-1.037 |
CHLORIDE |
0.007% MAX. |
SULFATE |
0.006% MAX. |
MOISTURE |
0.2% MAX. |
RESIDUE ON IGNITION |
3.5mg MAX. |
HEAVY METAL |
5ppm MAX. |
OXIDATION (0.005mol/l Na2S2O3) |
0.2ml MAX. |
CONTENT |
99.5% MIN. |
IDENTIFICATION |
infrared
absorption spectrum IS IN compliance WITH REFERENCE SPECTRUM. |
USES: IT IS USED AS SOLVENT OF PHARMACEUTICAL AUXILIARY MATERIALS.
PACKING: PACKED IN 200KG GALVANIZE IRON DRUMS, 16MT/20’FCL.