Ammonium sulfite monohydrate
亚硫酸铵一水合物
Also known as: Diammonium sulfite monohydrate, Sulfurous acid diammonium salt monohydrate, Sulfurous acid, diammonium salt, monohydrate (8CI,9CI)
Ammonium sulfite monohydrate (CAS 7783-11-1) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula H10N2O4S and a molecular weight of 134.155 g/mol. It is also known as Diammonium sulfite monohydrate, Sulfurous acid diammonium salt monohydrate and Sulfurous acid, diammonium salt, monohydrate (8CI,9CI). Key properties include a melting point of 60-70ºC and a density of 1.41 g/mL at 25ºC(lit.). It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 7783-11-1
- Jingsj CID
- J-47055-1
- Molecular Formula
- H10N2O4S
- Chinese Name
- 亚硫酸铵一水合物
- Molecular Weight
- 134.155 g/mol
- Category
- Inorganic Chemicals
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 60-70ºC |
|---|---|
| Density | 1.41 g/mL at 25ºC(lit.) |
| Exact Mass | 134.036133 |
| PSA | 92.45000 |
| LogP | 1.13030 |
| Appearance | Crystalline | White |
| Refractive Index | 1.515 |
| Additional Property | Soluble in water. Insoluble in acetone and alcohol. |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Frequently Asked Questions
What is the CAS number of Ammonium sulfite monohydrate?
The CAS number of Ammonium sulfite monohydrate is 7783-11-1.
What are the molecular formula and molecular weight of Ammonium sulfite monohydrate?
Ammonium sulfite monohydrate has molecular formula H10N2O4S and molecular weight 134.155 g/mol.
Is Ammonium sulfite monohydrate hazardous?
Ammonium sulfite monohydrate has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Ammonium sulfite monohydrate (CAS 7783-11-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-47055-1 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.