Name: Trisodium phosphate (TSP)

Chemical formula: Na3HPO4 XH2O (X=0, 12)

Molecular weight: 380.14

CAS Number: 7758-79-4

Standard Executed: HG/T2517-93

Properties: White or colorless granular crystals, and easy to airslake and dissolve in water, not dissolve in organic solution and relative density is 1.62, melting point is 73.4 degree celsius.

Applications: Used as a water softening agent, cleaning agent in electroplating, color fixer in fabric dyeing and flux in enamel ware manufacturing and so on.

Package and storage: Plastic-woven sack with polythene inner bag, net weight per bag is 25kg, 50kg and 100kg. Keep in dry and windy conditions.

Technical Specifications:

No.  Specifications  Na3HPO4  Na3HPO4.12H2O

   Industrial

Grade  Food

Grade  Industrial

Grade  Food

Grade

1  Apearance   white powder   white or colorless crystal powder

2  Main contents% ¡Ý  98.0  98.0  98.0  98.0

3  Phosphorus pentoxide(P2O5)%¡Ý  39.5  39.5  18.3  18.3

4  Sodium oxide, as Na2O  36-40  36-40  15.5-19  15.5-19

5  Sulfate, as SO4 % ¡Ü    0.25  0.5  0.5

6  Heavy metal, as Pb% ¡Ü    0.001  0.001  0.001

7  Arsenic, as As% ¡Ü    0.0003  0.0003  0.0003

8  Fluoride as F% ¡Ü    0.05  0.005  0.005

9  Water insoluble% ¡Ü  0.10  0.10  0.10  0.10