Ammonium sulfate
Also known as: Diammonium sulfate, Sulfuric acid diammonium salt, Ammonium sulfate (2:1), Ammonium sulphate
Ammonium sulfate (CAS 7783-20-2) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula H8N2O4S and a molecular weight of 132.139 g/mol. Key properties include a melting point of 280ºC, a boiling point of 330ºC at 760 mmHg, a density of 1.76 and a flash point of 26 °C. It is listed by 1 supplier; request a quote for pricing. Record last updated Aug 21, 2026.
- CAS No.
- 7783-20-2
- Jingsj CID
- J-28494-7
- Molecular Formula
- H8N2O4S
- Molecular Weight
- 132.139 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 | 280ºC |
|---|---|
| Boiling Point | 330ºC at 760 mmHg |
| Density | 1.76 |
| Flash Point | 26 °C |
| Exact Mass | 132.020477 |
| PSA | 86.22000 |
| LogP | 0.75190 |
| Refractive Index | n20/D 1.396 |
| Additional Property | H2O: 1 M at 20 °C, clear, colorless | 77 g/100 mL (25 ºC) |
Customs & Trade Information
| HS Code | 3102210000 |
|---|
Frequently Asked Questions
What is the CAS number of Ammonium sulfate?
The CAS number of Ammonium sulfate is 7783-20-2.
What are the molecular formula and molecular weight of Ammonium sulfate?
Ammonium sulfate has molecular formula H8N2O4S and molecular weight 132.139 g/mol.
Which suppliers offer Ammonium sulfate?
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. "Ammonium sulfate (CAS 7783-20-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-28494-7 (accessed 2026-11-07).
Data for reference only; verify product details with suppliers before purchase.