Tri-Sodium Phosphate Dodecahydrate-E339(iii) - Food Additive Phosphate - China Yeyuan Chemical Raw Material Supplier - PVC...

Tri-Sodium Phosphate Dodecahydrate-E339(iii)

Name: Tri-Sodium Phosphate Dodecahydrate-E339(iii)
Brand: China Yeyuan Chemical Raw Material Supplier - PVC - PVC Additives - Chemical Additives

Chemical formula: Na3PO4. 12H2O

Molecular weight: 380.12

CAS Number: 10101-89-0

Standard: GB1886.338-2021

Other Name: Sodium Phosphate, Tribasic

INS: 339(iii)

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Performance and Usage

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 ℃.

Antimicrobial; buffer; emulsifier; nutrient

Quality Specification

No	Specifications	National Standard	Standard
1	Assay % ≥	97.0	98 Min
2	P₂O₅ %≥	/	18.3
3	Sodium oxide, as Na₂O	/	15.5-19
4	Sulfate, as SO₄ % ≤	/	0.5
5	Heavy metal, as Pb% ≤	0.001	0.0008
6	Arsenic, as As% ≤	0.0003	0.0003 Max
7	Fluoride as F% ≤	0.005	0.002 Max
8	Water insoluble% ≤	0.2	0.1
9	Pb % ≤	0.0004	0.0004 Max
10	Cl % ≤	/	0.001
11	Fe % ≤	/	0.0002
12	PH(10g/L solution)	11.5—12.5	11.5—12.5
13	Loss on drying % ≤	45–57	45–57