Sodium Hexametaphosphate

CAS

10124-56-8

Molecular Formula

(NaPo3)x

Molecular Weight g/mol

101.96

Item, Unit

Typical

pH (1% Solution)

6.5-7.2

Bulk density, gm/cc, min.

1.00

Moisture @100 ℃C for 4 hour, %, max.

0.5

Water insoluble, %, max.

0.10

Phosphate as P2O5, %, max.

66.5-68.5

Loss on ignition, %, max.

1.0

Fluoride as F, ppm, max.

10.0

Arsenic as As, ppm, max.

3.0

Lead as Pb, ppm, max.

3.0

Cadmium as Cd, ppm, max.

1.0

Mercury as Hg, ppm, max.

1.0

Heavy metal as Pb, ppm, max.

10.0

Particle size distribution

Retained on 20 mesh (850℃m)

20.0

Retained on 100 mesh (150℃m)

35.0