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大苏打

Sodium Thiosulphate

 

Another name: Sodium hyposulphite

Molecular formula: Na2S2O35H2O

CAS: 7772-98-7

Molecular weight: 248

Properties:

Monoclinic crystal, Melting point: 40-45℃, Relative Density: 1.729(17℃).

Use:

Used in fixers, plating, leather, reductant, dechlorinating agent, sulfur dyeing agent, as a blush preventive agent, and as a disinfectant. And decolor agent

Packing:

25kg pp bags, 1MT/1.25MT jumbo bags

 

Specification:

 

Appearance

colorless transparent crystal

Assay

≥99.00%

Water Insoluble matter

≤0.1%

Sulfide(Na2S)

≤0.001%

Iron (as Fe)

≤0.001%

PH

6.5~9.5

 

 

 


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