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 n_D²⁰

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