Sodium thiosulfate
Also known as: Hypo, Antichlor, Sodium hyposulfite, Disodium thiosulfate, Thiosulfuric acid disodium salt, Sodium subsulfite, BETZ 0235, Dechlorinating solution
Sodium thiosulfate (CAS 7772-98-7) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula Na2O3S2 and a molecular weight of 158.108 g/mol. Key properties include a melting point of 48°C, a boiling point of 100°C and a density of 1.667. It is listed by 1 supplier; request a quote for pricing. Record last updated Aug 21, 2026.
- CAS No.
- 7772-98-7
- Jingsj CID
- J-1498323-0
- Molecular Formula
- Na2O3S2
- Molecular Weight
- 158.108 g/mol
- Category
- Inorganic Chemicals
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
Made to Order | - | - | CN China |
Physicochemical Properties
| Melting Point | 48°C |
|---|---|
| Boiling Point | 100°C |
| Density | 1.667 |
| Exact Mass | 157.908417 |
| PSA | 103.66000 |
| LogP | 0.50980 |
Customs & Trade Information
| HS Code | 2830909000 |
|---|
Frequently Asked Questions
What is the CAS number of Sodium thiosulfate?
The CAS number of Sodium thiosulfate is 7772-98-7.
What are the molecular formula and molecular weight of Sodium thiosulfate?
Sodium thiosulfate has molecular formula Na2O3S2 and molecular weight 158.108 g/mol.
Which suppliers offer Sodium thiosulfate?
1 supplier(s) listed; request a quote for pricing.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Sodium thiosulfate (CAS 7772-98-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1498323-0 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.