Sodium Thiosulfate

• CAS No.: 10102-17-7

Product Description

Molecular Formula:Na₅P₃O₁₀                     

Properties: White microdot powder with luster, melting point at 622⁰ C, easily soluble in water, with remarkable chelating ability to some metal ions such as Ca²⁺, Mg²⁺, can soften hard water, change suspension into solution, slightly alkaline without causticity.

Package: 25kg, 50kg bags or according to customers demand.

Applications: Mainly used as the detergent builder, also used as improving agent for meat, poultry and sea food in food industry and for the use of petroleum, mining, water-treating industries and so on.

Specification data: see the table below

 

 

 

 

 

 

Iterms

Industrial Grade

Food Grade

Assay Na₅P₃O₁₀ %

94.0

94.0

P₂ O ₅ %

57.0

57.0

Water Insoluble Matter %

0.15

0.05

Iron(Fe) %

0.015

0.015

PH value (1% water solution)

9.2-10.0

9.5-10.0

Heavy Metal (as Pb) %

/

0.001

Arsenic (As) %

/

0.0003

Fluoride (F) %

/

0.003

Whiteness %

90

90

Ignition loss

1.0

/

density (g/cm³)

0.35-0.9

0.35-0.9

Phase I

10-30

10-30

 

 

 
   

Iterms	Industrial Grade	Food Grade
Assay Na5P3O10   %	94.0	94.0
P2   O   5   %	57.0	57.0
Water Insoluble Matter %	0.15	0.05
Iron(Fe) %	0.015	0.015
PH value (1% water solution)	9.2-10.0	9.5-10.0
Heavy Metal (as Pb) %	/	0.001
Arsenic (As) %	/	0.0003
Fluoride (F) %	/	0.003
Whiteness %	90	90
Ignition loss	1.0	/
density (g/cm 3 )	0.35-0.9	0.35-0.9
Phase I	10-30	10-30