Sodium thiosulfate 0.1 N volumetric solution as per, USP
- CAS
- 7772-98-7
- Formula
- Na2O3S2
- MW
- 158.11 g/mol
ZX-038749
Alkali Metal Compounds (Li, Na, K, Rb, Cs)
Sodium thiosulphate, anhydrous, GR 98%
ARAvailable on request
Order Sodium thiosulphate, anhydrous, GR 98% (CAS 7772-98-7) online at Zemixal: Na2O3S2, COA and SDS with every lot, worldwide shipping.
CAS number7772-98-7
FormulaNa2O3S2
Molar mass158.11 g/mol
Physical formPowder
HS code28323010
Purity97%
InChIKeyAKHNMLFCWUSKQB-UHFFFAOYSA-L
IUPAC namedisodium;dioxido-oxo-sulfanylidene-lambda6-sulfane
About Sodium thiosulphate, anhydrous, GR 98%
Researchers and plant chemists source Sodium thiosulphate, anhydrous, GR 98% from Zemixal for routine and specialised work. Key data (AR): CAS 7772-98-7, formula Na2O3S2 and molar mass 158.11 g/mol. Typical appearance is white powder.
Typical applications
- Materials research
- Chemical synthesis
Safe handling
Literature values: melting point 52 °C (dec.) and density 1.667 g/cm3 at 20 °C. Handle with the usual laboratory precautions and consult the SDS supplied with each lot.
Order it in 1 kg, 5 kg and 4 x 25 kg packs or ask for a bulk quotation. You receive a batch certificate of analysis and a 16-section SDS with each order. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.
Typical uses
- Materials research
- Chemical synthesis
Applications
Grade guides
Specifications and identifiers
| Product name | Sodium thiosulphate, anhydrous, GR 98% |
|---|---|
| Catalogue number | ZX-013308 |
| CAS number | 7772-98-7 |
| IUPAC name | disodium;dioxido-oxo-sulfanylidene-lambda6-sulfane |
| Molecular formula | Na2O3S2 |
| Molar mass | 158.11 g/mol |
| Exact mass | 157.9084 |
| Grade | AR |
| Purity / assay | 97% |
| Physical form | Powder |
| Appearance | White powder |
| Melting point | 52 °C (dec.) |
| Density | 1.667 g/cm3 at 20 °C |
| H-bond donors / acceptors | 0 / 4 |
| Topological polar surface area | 104 Ų |
| HS code | 28323010 |
| InChIKey | AKHNMLFCWUSKQB-UHFFFAOYSA-L |
| SMILES | [O-]S(=O)(=S)[O-].[Na+].[Na+] |
| PubChem CID | 24477 |
| Synonyms | Sodium Hyposulfite, Disodium thiosulfate, Chlorine Control, Chlorine Cure, Sodium thiosulfate, anhydrous, Thiosulfuric acid, disodium salt, Sodium thiosulfate (Na2S2O3), Sodium thiosulphate (Na2S2O3), Sodium oxide sulfide (Na2S2O3), Thiosulfuric acid (H2S2O3), disodium salt, Ins no.539, Ins-539 |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
No GHS classification is on file for this item. Handle it as an unknown laboratory chemical and request the SDS with your quotation.
Pack sizes
| 1 kg | Quoted on request | |
| 5 kg | Quoted on request | |
| 4 x 25 kg | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
Questions about Sodium thiosulphate, anhydrous, GR 98%
Which CAS number identifies Sodium thiosulphate, anhydrous, GR 98%?
Sodium thiosulphate, anhydrous, GR 98% is registered under CAS 7772-98-7. You may also see it listed as Sodium Hyposulfite, Disodium thiosulfate, Chlorine Control. Our catalogue number for this item is ZX-013308.
What are the formula and molar mass of Sodium thiosulphate, anhydrous, GR 98%?
For Sodium thiosulphate, anhydrous, GR 98%, its formula is Na2O3S2 and its molar mass is 158.11 g/mol. InChIKey AKHNMLFCWUSKQB-UHFFFAOYSA-L lets you match it in any structure database.
What grade and pack sizes are available for Sodium thiosulphate, anhydrous, GR 98%?
This listing is AR grade with 97% purity. Standard packs are 1 kg, 5 kg, 4 x 25 kg. Larger quantities and custom packing can be quoted on request.
Which documents come with Sodium thiosulphate, anhydrous, GR 98%?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Sodium thiosulphate, anhydrous, GR 98% to my country?
Yes. Sodium thiosulphate, anhydrous, GR 98% ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.
Other grades with CAS 7772-98-7
Sodium thiosulphate 0.01 mol/L (0.01 N) for 500 mL solution
- CAS
- 7772-98-7
- Formula
- Na2O3S2
- MW
- 158.11 g/mol
ZX-037248
Sodium thiosulphate anhydrous, for molecular biology
- CAS
- 7772-98-7
- Formula
- Na2O3S2
- MW
- 158.11 g/mol
ZX-038118
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