Nitric Acid

CAS: 7697-37-2 · HNO3

2D Structure

Loading 3D structure...

CAS Registry Number

7697-37-2

SMILES

O=[N+]([O-])O

InChI Key

GRYLNZFGIOXLOG-UHFFFAOYSA-N

InChI

InChI=1S/HNO3/c2-1(3)4/h(H,2,3,4)

Comprehensive physical and chemical properties

Property	Value	Source
Molecular Mass	63.01 g/mol	CAS Common Chemistry
	63.01200000000001 g/mol	RDKit
	63.012 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 Å²	RDKit
	63.37 Å²	RDKit
	58.53 Å²	chempirical lib
LogP	-0.34770000000000006	RDKit
	-0.3477	RDKit
Molar Refractivity	8.7809 cm³/mol	RDKit
Ring Count	0	RDKit
Formal Charge	0	RDKit
Fraction Csp3	0.0	RDKit
Exact Mass	62.995642892000006 g/mol	RDKit

NMR, IR, and Mass spectral data

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.

Convert

MW = 63.01 g/mol; density = 1.550 g/mL. Edit any field — others recompute live.

Mass (g) Moles (mmol) Moles (mol) Volume (mL)