EMBL-EBI | Chemical Biology | ChEBI
Example searches: iron*, InChI=1S/CH4O/c1-2/h2H,1H3, caffeine | Advanced Search
| Formula | HNO2 |
| Net Charge | 0 |
| Average Mass | 47.013 |
| Monoisotopic Mass | 47.00073 |
| SMILES | [H]ON=O |
| InChI | InChI=1S/HNO2/c2-1-3/h(H,2,3) |
| InChIKey | IOVCWXUNBOPUCH-UHFFFAOYSA-N |
| Roles Classification |
|---|
| Chemical Roles: | inorganic acid A Brønsted acid derived from one or more inorganic compounds. Inorganic acids (also known as mineral acids) form hydrons and conjugate base ions when dissolved in water. Bronsted acid A molecular entity capable of donating a hydron to an acceptor (Brønsted base). Bronsted acid A molecular entity capable of donating a hydron to an acceptor (Brønsted base). |
| ChEBI Ontology |
|---|
| Outgoing Relation(s) |
| nitrous acid (CHEBI:25567) is a nitrogen oxoacid (CHEBI:33455) |
| nitrous acid (CHEBI:25567) is conjugate acid of nitrite (CHEBI:16301) |
| Incoming Relation(s) |
| nitrites (CHEBI:25549) has functional parent nitrous acid (CHEBI:25567) |
| hyponitrite (CHEBI:24758) is a nitrous acid (CHEBI:25567) |
| nitrite (CHEBI:16301) is conjugate base of nitrous acid (CHEBI:25567) |
| nitrosooxy group (CHEBI:29786) is substituent group from nitrous acid (CHEBI:25567) |
| IUPAC Names |
|---|
| hydrogen dioxonitrate(1−) |
| dioxonitric acid |
| nitrous acid |
| hydroxidooxidonitrogen |
| Synonyms | Source |
|---|---|
| HNO2 | IUPAC |
| [NO(OH)] | IUPAC |
| nitrosyl hydroxide | NIST Chemistry WebBook |