Sodium hydrogen sulfite
亚硫酸氢钠
Also known as: Sodium bisulfite, Sodium acid sulfite, Sodium bisulphite, Sodium hydrogen sulfite (1:1:1), Sodium bisulfite (JP15), Sodium hydrogen sulphite, Sulfurous acid monosodium salt, sodium hydrogensulfite, sodium hydrogen sulfite
Sodium hydrogen sulfite (CAS 7631-90-5) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula NaHSO3 and a molecular weight of 104.061 g/mol. It is also known as Sodium bisulfite, Sodium acid sulfite and Sodium bisulphite. Key properties include a melting point of 150 °C and a density of 1.48. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 7631-90-5
- Jingsj CID
- J-36254-0
- Molecular Formula
- NaHSO3
- Chinese Name
- 亚硫酸氢钠
- Molecular Weight
- 104.061 g/mol
- Category
- Inorganic Chemicals
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 150 °C |
|---|---|
| Density | 1.48 |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of Sodium hydrogen sulfite?
The CAS number of Sodium hydrogen sulfite is 7631-90-5.
What are the molecular formula and molecular weight of Sodium hydrogen sulfite?
Sodium hydrogen sulfite has molecular formula NaHSO3 and molecular weight 104.061 g/mol.
Is Sodium hydrogen sulfite hazardous?
Sodium hydrogen sulfite has GHS signal word Danger.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Sodium hydrogen sulfite (CAS 7631-90-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-36254-0 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.