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Items |
USP Grade |
Purity (wt%) |
99.50 Min |
Water (wt%) |
0.05 Max |
Specific gravity |
1.035 –1.037 g/cm3 at 25 °C |
Index of Refraction |
1.431 – 1.435 nD20 |
Distillation Range |
184~189 °C |
Acidity (ml 0.1N NaOH/10ml) |
0.05 Max |
Residue on Ignition (wt) |
70 ppm Max |
Heavy Metal asPb (wt) |
5 ppm Max |
Arsenic as As (wt) |
1 ppm Max |
Sulfate (wt) |
6 ppm Max |
Chloride as Cl (wt) |
7 ppm max |
Iron (wt) |
0.5 ppm Max |
Ethylene Glycol (wt) |
8 ppm Max |
Diethylene Glycol (wt) |
8 ppm Max |
Organic Voltile impurities |
Pass |
Color (AHPA) |
5 max |
Appearance |
Colorless, transparent and sticky liquid |