Product Name: Propylene Glycol/C3H8O2/Mono Propylene Glycol
Chemical Formula: C3H8O2
Appearance: Colorless, viscous and transparent liquid
CAS No: 57-55-6
EINECS No.:200-338-0
Specification:
Test Items
|
Chinese
Pharmacopoeia2005 |
USP30
|
JP2001
|
PhEur2002
|
Technical Grade
|
Identification
|
Meet Chart 706
|
Infrared Absorption
|
-
|
-
|
Meet Chart 706
|
Relative density 25
|
1.035 ~1.037
|
1.035 ~1.037
|
1.035 ~1.040
|
1.035 ~1.040
|
1.035 ~1.040
|
Acidity ml/ml≤
|
0.05
|
0.02
|
+
|
+
|
0.05
|
Chloride %≤
|
0.007
|
0.007
|
0.007
|
-
|
-
|
Sulfate%
|
0.006
|
0.006
|
0.002
|
-
|
-
|
Oxidizing Substance ml/ml≤
|
0.04
|
-
|
-
|
-
|
-
|
Water%≤
|
0.2
|
0.2
|
0.5
|
0.2
|
0.2
|
Residue on ignigion ml/ml%≤
|
0.007
|
0.007
|
0.005
|
-
|
-
|
Heavy metals ppm≤
|
5
|
5
|
5
|
5
|
-
|
Content(GC) %≥
|
99.5
|
99.5
|
-
|
-
|
99.0
|
Residual Sdvents
|
-
|
+
|
-
|
-
|
-
|
Organic vdatile impurities
|
-
|
+
|
-
|
-
|
-
|
Distillation range
|
184 ~188
|
-
|
184 ~189
|
-
|
183 ~190
|
As ppm
|
-
|
-
|
2
|
-
|
-
|
Glycerol
|
-
|
-
|
+
|
-
|
-
|
Index of refraction
|
-
|
-
|
-
|
1.431 ~1.433
|
1.428 ~1.435
|
Sulfate ash%≤
|
-
|
-
|
-
|
0.01
|
-
|
Reducing Substance
|
-
|
-
|
-
|
+
|
-
|
Useage: Propylene glycol is an important raw materials of unsaturated polyester, epoxy resin and polyurethane resin, in food, pharmaceutical and cosmetics industry, it is widely used as a hygroscopic agent, antifreeze agents, lubricants and solvents.
Packing: 215/ 210kg Iron Drums , 22mt or 23mt per flexitank