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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 Mass:
39.95 g/mol
Names and Synonyms:
Argon
Argon
Argon-40
Argon, isotope of mass 40
R 740
Khladon R 740
40Ar
Identifiers:
SMILES:
[Ar]
InChI:
InChI=1S/Ar
Key Properties
Boiling Point
-185.9 °C
CAS Common Chemistry
Melting Point
-189.2 °C
CAS Common Chemistry
Density
3.42 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 | 39.95 g/mol | CAS Common Chemistry |
| 39.948 g/mol | RDKit | |
| 39.96238312 g/mol | RDKit | |
| Density | 3.42 g/cm³ | CAS Common Chemistry |
| 3.424 g/cm3 | CAS Common Chemistry | |
| Boiling Point | -185.9 °C | CAS Common Chemistry |
| Canonical SMILES | [Ar] | CAS Common Chemistry |
| InChI | InChI=1S/Ar | CAS Common Chemistry |
| InChI Key | InChIKey=XKRFYHLGVUSROY-UHFFFAOYSA-N | CAS Common Chemistry |
| Melting Point | -189.2 °C | CAS Common Chemistry |
| Name | Argon | CAS Common Chemistry |
| Heavy Atom Count | 1 | RDKit |
| Hydrogen Bond Acceptors | 0 | RDKit |
| Hydrogen Bond Donors | 0 | RDKit |
| Rotatable Bonds | 0 | RDKit |
| Aromatic Ring Count | 0 | RDKit |
| Topological Polar Surface Area | 0.0 Ų | RDKit |
| LogP | 0.0 | RDKit |
| Molar Refractivity | 0.0 | RDKit |
