Tri Sodium Phosphate-Anhydrous - Industry Application Phosphat - China Yeyuan Chemical Raw Material Supplier - PVC - PVC A...

Tri Sodium Phosphate-Anhydrous

Chemical formula: Na3PO4

Molecular weight: 163.94

CAS Number: 7601-54-9

Standard: Q/73587183-5.1-2016

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Performance and Usage

Sodium Phosphate, Tribasic, occurs as white crystals or granules or as a crystalline material. It may be anhydrous or contain1 to 12 molecules of water of hydration. The formula for acrystalline material is approximately 4(Na3PO4·12H2O)-NaOH. It is freely soluble in water, but is insoluble in alcohol.The pH of a 1:100 aqueous solution is between 11.5 and 12.5.

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

Quality Specification

No	Specifications	National Standard	Standard
1	Main contents% ≥	98.0	99 Min
2	P₂O₅ %≥	39.5	40 Min
3	Sodium oxide, as Na₂O	36-40	36-40
4	Sulfate, as SO₄ % ≤	0.5	0.1
5	Heavy metal, as Pb% ≤	/	0.005
6	Arsenic, as As% ≤	0.005	0.005 Max
7	Fluoride as F% ≤	/	0.05
8	Water insoluble% ≤	0.2	0.10
9	Pb % ≤	/	0.005
10	Cl % ≤	0.4	0.1
11	Fe % ≤	0.01	0.001
12	PH	11.5—12.5	11.5—12.5
12	Loss on drying % ≤	/	2