Argon

ArCAS 7440-37-139.95 g/mol

Open in Covalent MOL file

Properties

Molecular formula: Ar
Molar mass: 39.95 g/mol
Exact mass: 39.9624 Da
Density: 3.42 g/mL
Melting point: −189.2 °C
Boiling point: −185.9 °C
Water solubility: soluble
logP: 0.00Crippen estimate
Polar surface area: 0.0 Å²
H-bond donors / acceptors: 0 / 0
Rotatable bonds: 0

Hazards

Warning

H280 Contains gas under pressure; may explode if heated68% of notifiers
H281 Contains refrigerated gas; may cause cryogenic burns or injury33.3% of notifiers

Aggregated from 643 ECHA notifications, via PubChem; a share says how many notifiers assign that statement.

Precautionary statements

P282, P336+P317, P403, P410+P403

Identifiers

CAS number

7440-37-1

SMILES

[Ar]

InChIKey

XKRFYHLGVUSROY-UHFFFAOYSA-N

InChI

InChI=1S/Ar

Weigh it out

Type any one amount. The others follow from the molar mass and density.

Names and synonyms

5 names

Argon-40
Argon, isotope of mass 40
R 740
Khladon R 740
40Ar

Work with Argon

Predict the NMR spectrum1H and 13C shifts with multiplicities Make a solutionWhat to weigh for any molarity and volume Check drug-likenessLipinski, Veber and lead-likeness Boiling point under vacuumAt any pressure, from its normal boiling point Isotope patternExact mass and the mass spectrum pattern

Elsewhere

PubChem CAS Common Chemistry NIST WebBook