Na2S2O2.5H2O Sodium thiosulfate

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25 Metric Ton/Metric Tons (Min. Order)
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Overview
Quick Details
Classification:
Sulphate
Type:
Sodium Thiosulfate
CAS No.:
7772-98-7
Other Names:
Sodium hyposulfite
MF:
Na2S2O2.5H2O
Place of Origin:
Henan, China (Mainland)
Grade Standard:
Reagent Grade
Purity:
99%
Appearance:
crystal
Application:
antichlor
Brand Name:
EASTAR
Model Number:
Assay: 99%min crystal
Supply Ability
Supply Ability:
1000 Metric Ton/Metric Tons per Month
Packaging & Delivery
Packaging Details
25kg plastic woven bags or others
Port
China port
Lead Time :
prompt

Specifications

Sodium thiosulfate,good quality and available price,single crystal is white crytallized powder

Sodium thiosulfate

Property:Single crystal is white crytallized powder, 1.667 proportion, soluble in water, alcohol, in air heating is decomposed into sodium and sulfur dioxide oxidation. In the air (oxygen from the burning LiuHuaJian, produce and sulfur

Application: Sodium thiosulfate is mainly used for fixing agent photography industry. Secondly as tanning time chromate salt reductants and nitrogen exhaust of neutralizers, salt, wheat and hair bleach and pulp bleaching agent of chlorine when. Also used for tetraethyl lead, dye intermediates, etc and ore mention silver etc.

Specification:

Item

 

Photo grade

Tech grade

Anhydrous grade

Appearance

Colorlesstransparent crystal

Colorlesstransparent crystal

White power

Assy

≥99.00%

≥98.5%

≥98.0%

Waterinsoluble

≤0.01%

≤0.03%

≤0.03%

Sulfide

≤0.001%

≤0.003%

≤0.003%

Fe

≤0.001%

≤0.003%

≤0.003%

PH value

6.5-9.5

6.5-9.5

6.5-9.5

 

 

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