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Products

Ammonium Thiosulphate Solution

Product introduction

Ammonium Thiosulphate

 

Product name: Ammonium Thiosulphate
English name: Ammonium Thiosulphate、ammohypo
CAS No: 7783-18-8
Molecular formula: (NH4)2S2O3
Molecular weight: 148.2
Structural formula:

 

Technical index

 

Item

Index

appearance

colorless clear liquid

purity%

53—60

basicity(NH4OH)%

0.3--1.5

ignition residue %

≤0.1

heavy metal(Pb)%            

≤0.001

sulfite %

≤1.0

sulfide(S)%               

≤0.001

density 20°C)

1.290--1.346

insolubles % 

≤0.2

ferrum(Fe)%                        

≤0.001

PH(25℃)

8--9

Uses: For printing of color film and photographic paper; as fixing agent
Packaging: liquid ammonium thiosulfate should be preserved in plastic drum; net weight: 250kg
Storage: should be preserved in cool and dry place; seperate with acidic material

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