Description
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 |
Label
LABEL PROPERTY
General Information
Form ……………………………………………………….. Fluid
Colour ……………………………………………………… Colourless
Odour ………………………………………………………. Nearly odourless
Change in condition
Melting point/Melting range ………………………………………………… -68°C
Boiling point/Boiling range …………………………………………………… 185°C
Flash point ……………………………………………………………………….. > 100°C
Ignition temperature ……………………………………………………………. 371°C
Danger of explosion ……………………………………………………………. Product does not present an explosion hazard.
Explosion limits
Lower ……………………………………………………………………………… 2.6 Vol %
Upper ………………………………………………………………………………. 12.6 Vol %
Vapour pressure at 20°C ………………………………………………………. 0.11 hPa
Density at 20°C ………………………………………………………………….. 1.0362 g/cm³
Solubility in / Miscibility with water ………………………………………….. Fully miscible.
pH-value (- g/l) ……………………………………………………………………………. neutral
Viscosity
Dynamic at 25°C …………………………………………………………………. 46 mPas
