Back to Search
Argon
CAS: 7440-37-1 | Ar
2D Structure
3D Structure
Loading 3D structure...
Basic Information
CAS Registry Number:
7440-37-1
Molecular Formula:
Ar
Molecular Weight:
39.948 g/mol
Names and Synonyms:
Argon
Common Name
40Ar
Synonym
Khladon R 740
Synonym
R 740
Synonym
Argon, isotope of mass 40
Synonym
Argon-40
Synonym
Argon
Synonym
Identifiers:
SMILES:
[Ar]
InChI:
InChI=1S/Ar
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
Molecular
| Property | Value | Source |
|---|---|---|
| Molecular Weight | 39.948 g/mol | RDKit |
Exact
| Property | Value | Source |
|---|---|---|
| Exact Molecular Weight | 39.96238312 g/mol | RDKit |
Heavy
| Property | Value | Source |
|---|---|---|
| Heavy Atom Count | 1 count | RDKit |
Hydrogen
| Property | Value | Source |
|---|---|---|
| Hydrogen Bond Acceptors | 0 count | RDKit |
| Hydrogen Bond Donors | 0 count | RDKit |
Rotatable
| Property | Value | Source |
|---|---|---|
| Rotatable Bonds | 0 count | RDKit |
Aromatic
| Property | Value | Source |
|---|---|---|
| Aromatic Ring Count | 0 count | RDKit |
Topological
| Property | Value | Source |
|---|---|---|
| Topological Polar Surface Area | 0.0 Ų | RDKit |
Physical Properties
| Property | Value | Source |
|---|---|---|
| LogP | 0.0 | RDKit |
| molecular_mass | 39.95 g/mol | Legacy Database |
| density | 3.42 g/cm³ | Legacy Database |
| cas-boiling-point | -185.9 °C None | Legacy Database |
| cas-canonical-smile | [Ar] None | Legacy Database |
| cas-density | 3.424 g/cm3 None | Legacy Database |
| cas-inchi | InChI=1S/Ar None | Legacy Database |
| cas-inchi-key | InChIKey=XKRFYHLGVUSROY-UHFFFAOYSA-N None | Legacy Database |
| cas-melting-point | -189.2 °C None | Legacy Database |
| cas-name | Argon None | Legacy Database |
Molar
| Property | Value | Source |
|---|---|---|
| Molar Refractivity | 0.0 | RDKit |