Chloride

Chloride anion
Names
Systematic IUPAC name
Chloride
Identifiers
3D model (JSmol)
3587171
ChEBI
ChEMBL
ChemSpider
14910
KEGG
UNII
  • InChI=1S/ClH/h1H/p-1 checkY
    Key: VEXZGXHMUGYJMC-UHFFFAOYSA-M checkY
  • [Cl-]
Properties
Cl−
Molar mass 35.45 g·mol−1
Conjugate acid Hydrogen chloride
Thermochemistry
153.36 J K−1 mol−1
−167 kJ mol−1
Related compounds
Other anions
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

The chloride /ˈklɔːraɪd/ ion (Cl−) is the anion of chlorine, that is, chlorine with an extra electron. The term "chloride" is also used non-systematically for chemicals containing chlorine covalently bonded to another atom.

Chloride salts such as sodium chloride are often soluble in water. It is an essential electrolyte located in all body fluids responsible for maintaining acid/base balance, transmitting nerve impulses and regulating liquid flow in and out of cells. Other examples of ionic chlorides include potassium chloride (KCl), calcium chloride (CaCl2), and ammonium chloride (NH4Cl). Examples of covalent chlorides include methyl chloride (CH3Cl), carbon tetrachloride (CCl4), sulfuryl chloride (SO2Cl2), and monochloramine (NH2Cl).

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