Description
Product Technical bulletin
Description: Propylene Glycol USP
Test Description |
Specification Limits Min. Max. |
Unit of Measure |
Test Method |
|
Propylene Glycol, on a dry basis |
99.5 |
%(w/w) |
HOC 0540 |
|
Acidity as acetic acid |
0.002 |
%(w/w) |
HOC 0210 |
|
Chlorides |
0.5 |
ppm |
HOC 0221 |
|
Colour, Pt-Co |
10 |
APHA Colour |
HOC 0641 |
|
Heavy Metals as Pb |
5 |
ppm |
HOC 0274 |
|
Iron |
0.5 |
ppm |
HOC 0290 |
|
Water |
0.2 |
%(w/w) |
HOC 0316 |
|
Arsenic as As |
1 |
HOC 0242 |
||
Distillation @ 760 mm Hg |
||||
Initial Boiling Point |
186 |
oC |
HOC 0154 |
|
Drying Point |
189 |
oC |
HOC 0154 |
|
Residue on Ignition |
0 |
0.005 |
%(w/w) |
HOC 0140 |
Specific Gravity@20/20 oC |
1.0377 |
1.0389 |
HOC 0132 |
|
Specific Gravity@25/25 oC |
1.0352 |
1.0364 |
HOC 0132 |
|
Sulphate |
0 |
0.006 |
%(w/w) |
HOC 0225 |
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