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Propylene Glycol Pharma grade  |
Specification |
Relative Molecular weight : 76.09 CAS No. : 57-55-6 |
Quality indexes |
|
Item |
Index |
|
Color Tone (APHA) |
10 max |
|
Water,% |
0.2 max |
|
Specific gravity (20/25 °C) |
1.0350~1.0410 |
|
Refractive index(25°C) |
1.4307~1.4317 |
|
Distillation range (L), °C |
184.0~189.0 |
|
Distillation range (U),°C |
184.0~189.0 |
|
Distillation volume, Vol% |
95 min |
|
Identification |
passed |
|
Acidity, ml |
0.20 max |
|
Chloride, % |
0.007 max |
|
Sulfate, % |
0.006 max |
|
Heavy metals, ppm |
5 max |
|
Residue on ignition, % |
0.07 max |
|
Organic Volatile impurity Chloroform, µg/g |
60 max |
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Organic Volatile impurity 1.4 dioxane, µg/g |
380 max |
|
Organic Voltile impurity methylene chloride,µg/g |
600 max |
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Organic Voltile impurity trichloroethylene, µg/g |
80max |
|
Assay, GLC% |
99.5 min | |
Packing |
| Packed in galvanized iron drums, net weight 200KG/drum. |
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