2022-01-19
PROPYLENE GLYCOL TECH GRADE
MATERIAL: PROPYLENE GLYCOL TECH GRADE
CAS NO.:57-55-6
Molecular Formula: C3H8O2
Shelf Life: one year and a half
TEST |
UNIT OF |
SPECIFICATIONS |
|
Description |
Measure |
Minimum |
Maximun |
Assay as PG on a dry basis |
Weight % |
99.5 |
|
Water |
Weight% |
|
0.1 |
Color,Pt-Co |
APHA Color |
|
10 |
Specific Gravity@20/20℃ |
-- |
1.0370 |
1.0390 |
Refractive Index @25C |
--- |
1.4310 |
1.4350 |
Free acid,(CH3COOH) |
Weight ppm |
|
75 |
Residue on lgnition |
Weight ppm |
|
80 |
Distillation range(L) |
Degree C |
184 |
189 |
Distillation range(U) |
Degree C |
184 |
189 |
Distillation volume,Vol% |
Vol% |
95 |
|
END OF TEST DATE |
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|
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