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Sodium Thiosulfate Pentahydrate, ACS Grade — representative laboratory stock photo, not the actual product or supplied packaging

Inorganic & other salts

Sodium Thiosulfate Pentahydrate, ACS Grade

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Article code
C7810
CAS
10102-17-7
Grade
ACS Grade
Purity
99.5-101.0%
Category
Inorganic & other salts
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Properties

Article / SKU
C7810
CAS
10102-17-7
Assay
99.5-101.0%
Grade
ACS Grade
Molecular formula
Na 2 S 2 O 3 -5H 2 O
Molecular weight
248.19
Autoship Available
No
Insoluble matter
0.01%
Pillar
High Purity

Packaging options — size and article

SizeArticle / SKU
12.5kgC7810-12.5kg
1kgC7810-1kg
2.5kgC7810-2.5kg
25kgC7810-25kg
500gC7810-500g

Packaging options

  • 12.5kg
  • 1kg
  • 2.5kg
  • 25kg
  • 500g

Details

Sodium Thiosulfate Pentahydrate, ACS Grade

Sodium Thiosulfate Pentahydrate, also known as Disodium Sulfurothioate Pentahydrate, and Sodium Hyposulfite Pentahydrate is a hydrate of Sodium Thiosulfate with 5 mol eq. of Water. having the chemical formula H 10 Na 2 O 8 S 2 or Na 2 S 2 O 3 -5H 2 O. It appears as colorless to whitehygroscopic crystals, chunks, or crystalline powder with no odor. It is sparingly soluble in Water and insoluble in Alcohol at ambient conditions. When heated to around 300 o C, it undergoes decomposition emitting highly toxic fumes of Disodium Oxide and Sulfur Oxides. Commercially, it is produced by reacting by-product liquid of Sodium Sulfide synthesis with Sulfur Dioxide. An ACS Grade reagent is a chemical that meets the purity requirements of the American Chemical Society.

Common Uses and Applications

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