Chlorine

Cl₂CAS 7782-50-570.90 g/mol

Open in Covalent MOL file

Properties

Molecular formula: Cl₂
Molar mass: 70.90 g/mol
Exact mass: 69.9377 Da
Density: 1.4 (at 20 °C)
Melting point: −105.5 °C
Boiling point: −34.04 °C
Water solubility: 6.3 g/L (25 °C)
logP: 1.38Crippen estimate
Polar surface area: 0.0 Å²
H-bond donors / acceptors: 0 / 0
Rotatable bonds: 0

Hazards

Danger

H270 May cause or intensify fire; oxidizerOxidizing gases
H315 Causes skin irritationSkin corrosion/irritation
H319 Causes serious eye irritationSerious eye damage/eye irritation
H331 Toxic if inhaledAcute toxicity, inhalation
H335 May cause respiratory irritationSpecific target organ toxicity, single exposure; Respiratory tract irritation
H400 Very toxic to aquatic lifeHazardous to the aquatic environment, acute hazard

Harmonised EU classification (CLP Annex VI, index 017-001-00-7), via PubChem.

Precautionary statements

P220, P244, P261, P264, P264+P265, P271, P273, P280, P302+P352, P304+P340, P305+P351+P338, P316, P319, P321, P332+P317, P337+P317, P362+P364, P370+P376, P391, P403, P403+P233, P405, P501

Identifiers

CAS number

7782-50-5

SMILES

ClCl

InChIKey

KZBUYRJDOAKODT-UHFFFAOYSA-N

InChI

InChI=1S/Cl2/c1-2

Weigh it out

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

Names and synonyms

5 names

Molecular chlorine
Chlorine mol.
Dichlorine
Diatomic chlorine
Chlorine molecule (Cl2)

Work with Chlorine

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