Nitrous acid
Also known as: Nitrous(III) acid, EINECS 231-963-7, HNO2, Kyselina dusite, Kyselina dusite [Czech], Nitrosyl hydroxide, dioxonitric acid, hydrogen nitryl
Nitrous acid (CAS 7782-77-6) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula HNO2 and a molecular weight of 47.01340 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 7782-77-6
- Jingsj CID
- J-1341092-9
- Molecular Formula
- HNO2
- Molecular Weight
- 47.01340 g/mol
- Category
- Inorganic Chemicals
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Exact Mass | 47.00070 |
|---|---|
| PSA | 49.66000 |
| LogP | 0.14200 |
Frequently Asked Questions
What is the CAS number of Nitrous acid?
The CAS number of Nitrous acid is 7782-77-6.
What are the molecular formula and molecular weight of Nitrous acid?
Nitrous acid has molecular formula HNO2 and molecular weight 47.01340 g/mol.
What are the upstream and downstream products of Nitrous acid?
For Nitrous acid, Downstream Products: Methyl 2-nitro-3,4,5-trimethoxybenzoate, 5-Chlorosalicylic acid, Dehydroascorbic acid.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Nitrous acid (CAS 7782-77-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1341092-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.