Back to Search
Nitric Acid
CAS: 7697-37-2 | HNO3
2D Structure
3D Structure
Loading 3D structure...
Basic Information
CAS Registry Number:
7697-37-2
Molecular Formula:
HNO3
Molecular Mass:
63.01 g/mol
Names and Synonyms:
Nitric Acid
Aqua fortis
Nitric acid
Azotic acid
Hydrogen nitrate
Nitryl hydroxide
Nital
Nitric acid (HONO2)
Fumic acid
NSC 147791
NSC 15203
Identifiers:
SMILES:
O=[N+]([O-])O
InChI:
InChI=1S/HNO3/c2-1(3)4/h(H,2,3,4)
Key Properties
Boiling Point
83 °C
CAS Common Chemistry
Melting Point
-41.6 °C
CAS Common Chemistry
Density
1.55 g/cm³
CAS Common Chemistry
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 | 63.01 g/mol | CAS Common Chemistry |
| 63.01200000000001 g/mol | RDKit | |
| 62.995642892000006 g/mol | RDKit | |
| Density | 1.55 g/cm³ | CAS Common Chemistry |
| 1.55 g/cm3 | CAS Common Chemistry | |
| Wikipedia Url | https://en.wikipedia.org/wiki/Nitric_acid | CAS Common Chemistry |
| Boiling Point | 83 °C | CAS Common Chemistry |
| Canonical SMILES | O=N(=O)O | CAS Common Chemistry |
| InChI | InChI=1S/HNO3/c2-1(3)4/h(H,2,3,4) | CAS Common Chemistry |
| InChI Key | InChIKey=GRYLNZFGIOXLOG-UHFFFAOYSA-N | CAS Common Chemistry |
| Melting Point | -41.6 °C | CAS Common Chemistry |
| Name | Nitric acid | CAS Common Chemistry |
| Heavy Atom Count | 4 | RDKit |
| Hydrogen Bond Acceptors | 2 | RDKit |
| Hydrogen Bond Donors | 1 | RDKit |
| Rotatable Bonds | 0 | RDKit |
| Aromatic Ring Count | 0 | RDKit |
| Topological Polar Surface Area | 63.370000000000005 Ų | RDKit |
| LogP | -0.34770000000000006 | RDKit |
| Molar Refractivity | 8.7809 | RDKit |
