Inorganic & other salts
Sodium Thiosulfate Pentahydrate, Lab Grade
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- Article code
- C7820
- CAS
- 0102-17-7
- Grade
- Lab Grade
- Purity
- 99.0-100.5%
- Category
- Inorganic & other salts
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Properties
- Article / SKU
- C7820
- CAS
- 0102-17-7
- Assay
- 99.0-100.5%
- Grade
- Lab Grade
- Molecular formula
- Na 2 S 2 O 3 -5H 2 O
- Molecular weight
- 248.19
- Arsenic (As)
- 3 ppm
- Autoship Available
- No
- Calcium (Ca)
- To Pass Test
- Pillar
- Essential
Packaging options — size and article
| Size | Article / SKU |
| 12kg | C7820-12kg |
| 2.5kg | C7820-2.5kg |
| 30g | C7820-30g |
| 500g | C7820-500g |
| 50lb | C7820-50lb |
Packaging options
- 12kg
- 2.5kg
- 30g
- 500g
- 50lb
Details
Sodium Thiosulfate Pentahydrate, Lab 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 white hygroscopic 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. Chemically pure or Laboratory reagents are the two terms often used to describe Lab Grade chemicals. Lab Grade chemicals do not meet any accepted quality or purity requirements such as the ACS Grade, the USP Grade, and the FCC Grade, despite their acceptable purity.
Common Uses and Applications
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