Nitrous acid
Properties
- Molecular formula
- HNO2
- Molar mass
- 47.01 g/mol
- Exact mass
- 47.0007 Da
- logP
- 0.14Crippen estimate
- Polar surface area
- 49.7 Ų
- H-bond donors / acceptors
- 1 / 2
- Rotatable bonds
- 0
Hazards
Danger
- H300 Fatal if swallowed50% of notifiers
- H314 Causes severe skin burns and eye damage100% of notifiers
- H318 Causes serious eye damage100% of notifiers
- H400 Very toxic to aquatic life50% of notifiers
Aggregated from 2 ECHA notifications, via PubChem; a share says how many notifiers assign that statement.
Precautionary statements
P260, P264, P264+P265, P270, P273, P280, P301+P316, P301+P330+P331, P302+P361+P354, P304+P340, P305+P354+P338, P316, P317, P321, P330, P363, P391, P405, P501
Identifiers
CAS number
7782-77-6SMILES
O=NOInChIKey
IOVCWXUNBOPUCH-UHFFFAOYSA-NInChI
InChI=1S/HNO2/c2-1-3/h(H,2,3)Weigh it out
Type any one amount. The others follow from the molar mass.
Names and synonyms
2 names
- Nitrosyl hydroxide
- Nitrous acid (HNO2)
Work with Nitrous acid
Similar compounds
Ammonium nitrite13446-48-575 % similar
Cesium nitrite (CsNO2)13454-83-675 % similar
Dicyclohexylammonium nitrite3129-91-743 % similar
Tanimoto similarity of circular fingerprints over the whole catalogue.