| Formula / Notation | HNO2 |
|---|---|
| CAS Number | 7782-77-6 |
| Molecular Weight | 47.014 |
| Melting Point | 271 |
| Boiling Point | 320 |
| Solubility | 820g/L |
| Appearance | Exists only in solution; Light blue liquid; [Merck Index] |
| Also Known As | Nitrosyl hydroxide; 7782-77-6; HNO2; Kyselina dusite; dioxonitric acid; hydroxidooxidonitrogen; Acid, Nitrous; T2I5UM75DN; CHEBI:25567; hydrogen dioxonitrate(1-) |
| Category | Acids |
What is Nitrous acid?
Nitrous acid (HNO2) is an acid that appears as Exists only in solution; Light blue liquid; [Merck Index]. It has a molecular weight of 47.014 g/mol. Boiling point: 320. Melting point: 271.
Formula & Notation
IUPAC Name: nitrous acid
Other Names / Synonyms: Nitrosyl hydroxide; 7782-77-6; HNO2; Kyselina dusite; dioxonitric acid; hydroxidooxidonitrogen; Acid, Nitrous; T2I5UM75DN; CHEBI:25567; hydrogen dioxonitrate(1-)
Properties & Characteristics
Physical Data
| Property | Value |
|---|---|
| Melting Point | 271 |
| Boiling Point | 320 |
| Molecular Weight | 47.014 |
| Solubility | 820g/L |
| Appearance | Exists only in solution; Light blue liquid; [Merck Index] |
Uses & Applications
Safety Information
Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.
Key Facts
Frequently Asked Questions
Nitrous acid (HNO2) is an acid that appears as Exists only in solution; Light blue liquid; [Merck Index]. It has a molecular weight of 47.014 g/mol. Boiling point: 320. Melting point: 271.
Used in industrial chemical synthesis, fertilizer production, battery electrolytes, metal processing, and laboratory acid-base reactions.
Corrosive. Causes severe burns to skin, eyes, and respiratory tract. Wear appropriate PPE including gloves, goggles, and lab coat. Consult SDS before use.
The formula or notation for Nitrous acid is: HNO2