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SECOHYPO™ ANHYDROUS

1 of 1 products in this brand
SECOHYPO™ ANHYDROUS is a white granular product that is readily soluble in water.

Chemical Name: Sodium Thiosulphate

CAS Number: 7772-98-7

Grade: Photo Grade

Synonyms: Disodium Thiosulfate, Sodium Hyposulfite, Sodium Oxide Sulfide

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Identification & Functionality

Chemical Name
Base Chemicals Functions
CAS No.
7772-98-7
EC No.
231-867-5
Appearance Of Solution (20%)

Clear and Free from Insoluble Matter Except for a Slight Flocculence.

Structure

SECOHYPO™ ANHYDROUS - Structure

Applications & Uses

Markets
Applicable Processes
Uses

Fixers - This product is used in fixing baths to remove undeveloped silver halide. 

Properties

Physical Form
Appearance
White Crystalline Material
Typical Properties
ValueUnitsTest Method / Conditions
Sodium Thiosulfate98.3 - 100.0%-
Specifications
ValueUnitsTest Method / Conditions
Sodium Sulfite0.0 - 0.5%-
Acidity0.0 - 0.002%-
Alkalinity0.0 - 0.01%-
Heavy Metals0.0 - 0.001%-
Insoluble Matter0.0 - 0.4%-
Iron0.0 - 0.002%-
Sulfide0.0 - 0.0002%-

Regulatory & Compliance