Chemical formula: Na3PO4. nH2O (n=0, 12)
Molecular weight: 380.14

Standard executed: Tech grade (HG/T 2517-1993) Food grade(National standard) CAS Number: 7758-79-4
Properties:
White or colorless crystals, efflorescent in air, easily soluble in water but not in organic solution. Its water solution is alkaline. PH value of 1% solution is 12.1, relative density at 1.62g/cm3, melting point is 73.4 ℃.
Application:
Used as a water softening agent, cleaning agent in electroplating, color fixer in fabric dyeing and flux in enamel ware manufacturing and so on.
Packing and storage:
In 25kg, 50kg, 1000kg net bags, store at a cool, dry and well ventilated place.

Specifications(Na3PO4) Industrial Grade Food Grade

Appearance                 white   powder

Main contents% ≥       98.0            98.0

Phophorus pentoxide(P2O5) % ≥ 39.5      39.5

Sodium oxide,as Na2O    36-40         36-40

Sulfate,as SO4 % ≤                     0.25

Heavy metal,as Pb% ≤                 0.001

Arsenic,as As % ≤                    0.0003

Fluoride as F% ≤                      0.005

Water insoluble% ≤   0.10              0.10

 

Specifications(Na3PO4.12H2O)

Industrial Grade FoodGrade

Appearance           white or colorless crystal powder

Main contents% ≥        98.0             98.0

Phophorus pentoxide(P2O5) % ≥ 18.3        18.3

Sodium oxide,as Na2O 15.5-19            15.5-19

Sulfate,as SO4 % ≤  0.5                   0.5

Heavy metal,as Pb% ≤                      0.001

Arsenic,as As % ≤                         0.0003

Fluoride as F% ≤                          0.005

Water insoluble% ≤ 0.10                    0.10

 

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