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Nitrous Acid
CAS: 7782-77-6 | HNO2
2D Structure
3D Structure
Loading 3D structure...
Basic Information
CAS Registry Number:
7782-77-6
Molecular Formula:
HNO2
Molecular Mass:
47.01 g/mol
Names and Synonyms:
Nitrous Acid
Nitrous acid
Nitrosyl hydroxide
Nitrous acid (HNO2)
Identifiers:
SMILES:
O=NO
InChI:
InChI=1S/HNO2/c2-1-3/h(H,2,3)
Spectral Data
NMR, IR, and Mass spectral data
1H NMR
13C NMR
Predicting NMR spectra...
10 ppm
9
8
7
6
5
4
3
2
1
0 ppm
| Shift (ppm) | Multiplicity | Integration | Assignment |
|---|
200 ppm
180
160
140
120
100
80
60
40
20
0 ppm
| Shift (ppm) | DEPT | Assignment |
|---|
Note: These NMR spectra are predicted computationally and may differ from experimental data. Predictions are based on chemical environment analysis.
All Properties
Comprehensive physical and chemical properties
| Property | Value | Source |
|---|---|---|
| Molecular Mass | 47.01 g/mol | CAS Common Chemistry |
| 47.013000000000005 g/mol | RDKit | |
| 47.000728272 g/mol | RDKit | |
| Wikipedia Url | https://en.wikipedia.org/wiki/Nitrous_acid | CAS Common Chemistry |
| Canonical SMILES | O=NO | CAS Common Chemistry |
| InChI | InChI=1S/HNO2/c2-1-3/h(H,2,3) | CAS Common Chemistry |
| InChI Key | InChIKey=IOVCWXUNBOPUCH-UHFFFAOYSA-N | CAS Common Chemistry |
| Name | Nitrous acid | CAS Common Chemistry |
| Heavy Atom Count | 3 | RDKit |
| Hydrogen Bond Acceptors | 2 | RDKit |
| Hydrogen Bond Donors | 1 | RDKit |
| Rotatable Bonds | 0 | RDKit |
| Aromatic Ring Count | 0 | RDKit |
| Topological Polar Surface Area | 49.66 Ų | RDKit |
| LogP | 0.14200000000000002 | RDKit |
| Molar Refractivity | 7.5815 | RDKit |
