Material Name

Polyphosphoric Acid-115%

Other Names

Condensed Phosphoric Acid, Pyrophosphoric Acid, Tetraphosphoric Acid

8017-16-1

H6P4O13

Molar Mass

337.93

Shelf Life

Minimum 24 months

Packing

Drum, Bulk container

PARAMETER

SPECIFICATION

Appearance

Clear, Colorless to pale straw liquid

Bulk density (gm/ml)

2.04 2.15

pH of liquid

Highly Acidic

Viscosity at 25 °C (cps)

35000 min

Melting point, °C

Below 0

Boiling point, °C

545 - 555

Sulphate, as SO4  (ppm)

15 max

Heavy Metals, as Pb (ppm)

10 max

Arsenic (ppm)

50 max

Chloride (ppm)

5 max

Iron (ppm)

20 max

Fluorine (ppm)

5 max

H3PO4 % (w/w)

115 min

P2O5 % (w/w)

83 min