CAS 7772-98-7 Sodium Thiosulphate

Product name:Sodium Thiosulphate
Other name: Sodium Hyposulfite
Apperance: colorless and transparent crystal.
CAS: 7772-98-7
H.S code: 2832300000
MOQ:20 mt
Package: 25kg bag, 1000kg bag

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CAS 7772-98-7 Sodium Thiosulphate

Sodium thiosulfate, also known as sodium hyposulfite, big soda, and Haibo, is a common thiosulfate with the chemical formula Na2S2O3, which is colorless, transparent crystal or crystalline fine particles; odorless, salty.

Sodium Thiosulphate

Introduction of Sodium Thiosulphate:

Product name:Sodium Thiosulphate

Other name: Sodium Hyposulfite

Apperance: colorless and transparent crystal.

CAS: 7772-98-7

H.S code: 2832300000

MOQ:20 mt

Package: 25kg bag, 1000kg bag

Specification of Sodium Thiosulphate:

Item	Photographic grade	Industrial grade	Anhydrous grade
Appearance	colorless transparent crystal	colorless transparent crystal	white powder
Assay	≥99.00%	≥98.5%	≥97.0%
Water Insoluble matter	≤0.01%	≤0.03%	≤0.03%
Sulfide	≤0.001%	≤0.003%	≤0.001%
Fe	≤0.001%	≤0.003%	≤0.005%
PH	6.5~9.5	6.5~9.5	6.5~9.5
Water solution reaction	in accordance with the test	in accordance with the test	----
Granularity(g/g)	12~16	---	----

Applications of Sodium Thiosulphate:

1. Mainly used as fixer in photographic industry. Secondly, it is used as a reducing agent for dichromate when tanning leather, a neutralizing agent for nitrogen-containing tail gas, a mordant, a bleaching agent for wheat straw and wool, and a dechlorinating agent for pulp bleaching. It is also used in the manufacture of tetraethyl lead, dye intermediates, etc. and the extraction of silver from ore.

2. Detoxification, Sodium thiosulfate (sodium hyposulfite, soda, hypo) is an antidote for cyanide.

Package & Storage of Sodium Thiosulphate:

25 KG bag , 25 MT/20'FCL . 1000kg bag, 20MT/20’FCL

also be packed according to customer's needs.

Store closed containers in a cool, dry, well-ventilated area. Avoid exposure to direct sunlight.

Sodium Thiosulphate