Find out how we can help you:

Cadmium chloride

Cadmium chloride is a white crystalline compound of cadmium and chlorine, with the formula CdCl2. It is a hygroscopic solid that is highly soluble in water and slightly soluble in alcohol. Although it is considered to be ionic, it has considerable covalent character to its bonding. The crystal structure of cadmium chloride (described below), composed of two-dimensional layers of ions, is a reference for describing other crystal structures. Also known are CdCl2•H2O and CdCl2•5H2O.

This page uses material from the related Wikipedia article which is released under the Creative Commons Attribution-Share-Alike License 3.0.

Looking to buy Cadmium chloride?

Enquire now about bulk ordering

If you’re interested in further information or purchasing this product please submit your details in the form below and we will get back to you shortly. If you would rather discuss the product by phone please contact us on +44 (0) 1494 728458.

Further Information

Names

IUPAC nameCadmium dichloride

Other names

Cadmium(II) chloride

Identifiers

CAS Number: 10108-64-2

JSmol: Interactive image

ChEBI: CHEBI:35456

ChemSpider: 23035

ECHA InfoCard: 100.030.256

EC Number: 233-296-7

PubChem: 24947

RTECS number: EV0175000

UNII: J6K4F9V3BA

UN number: 2570

Properties

Chemical formula: CdCl2

Molar mass: 183.31 g·mol

Appearance: hygroscopic

Odor: Odorless

Density: 4.047 g/cm (anhydrous)
3.327 g/cm (Hemipentahydrate)33

Melting point: 568 °C (1,054 °F; 841 K)
at 760 mmHg

Boiling point: 964 °C (1,767 °F; 1,237 K)
at 760 mmHg

Solubility in water: Hemipentahydrate:
79.5 g/100 mL (−10 °C)
90 g/100 mL (0 °C)
Monohydrate:
119.6 g/100 mL (25 °C)
134.3 g/100 mL (40 °C)
134.2 g/100 mL (60 °C)
147 g/100 mL (100 °C)

Solubility: alcohol

Solubility: 4.6 g/kg (0 °C)
7.9 g/kg (4 °C)
8.1 g/kg (15 °C)
6.7 g/kg (30 °C)
5 g/kg (100 °C)

Solubility: 1.3 g/100 g (10 °C)
1.48 g/100 g (20 °C)
1.91 g/100 g (40 °C)
2.53 g/100 g (70 °C)

Solubility: 18 g/100 g (25 °C)

Vapor pressure: 0.01 kPa (471 °C)
0.1 kPa (541 °C)

Magnetic susceptibility: −6.87·10 cm/mol−53

Viscosity: 2.31 cP (597 °C)
1.87 cP (687 °C)

Structure

Crystal structure: Rhombohedral

Space group: Rm, No. 166 (anhydrous)3

Point group:2/m (anhydrous)3

Lattice constant: = 3.846 Å, = 17.479 Å (anhydrous)

Thermochemistry

Specific
heat capacity: 74.7 J/mol·K

Std molar
entropy: 115.3 J/mol·K

Std enthalpy of
formation: −391.5 kJ/mol

Gibbs free energy: −343.9 kJ/mol

Hazards

Safety data sheet: External MSDS

GHS pictograms:

GHS signal word: Danger

GHS hazard statements: H301 H330 H340 H350 H360 H372 H410

GHS precautionary statements: P210 P260 P273 P284 P301+310 P310

NFPA 704:

median dose: 94 mg/kg (rats, oral)
60 mg/kg (mouse, oral)
88 mg/kg (rat, oral)

NIOSH

PEL: [1910.1027] TWA 0.005 mg/m (as Cd)3

REL: Ca

IDLH: Ca [9 mg/m (as Cd)]3

Related compounds

anions: Cadmium fluoride

cations: Zinc chloride

Except where otherwise noted, data are given for materials in their(at 25 °C [77 °F], 100 kPa).Except where otherwise noted, data are given for materials in their(at 25 °C [77 °F], 100 kPa).