Cadmium hydroxide

Cadmium hydroxide
Names
	IUPAC name Cadmium(II) hydroxide
Identifiers
CAS Number	21041-95-2 ;
3D model (JSmol)	Interactive image;
ChemSpider	8488675 ;
ECHA InfoCard	100.040.137
PubChem CID	10313210;
UNII	6Y413R87BT ;
CompTox Dashboard (EPA)	DTXSID9066671 ;
	InChI InChI=1S/Cd.2H2O/h;21H2/q+2;;/p-2 Key: PLLZRTNVEXYBNA-UHFFFAOYSA-L ; InChI=1/Cd.2H2O/h;21H2/q+2;;/p-2 Key: PLLZRTNVEXYBNA-NUQVWONBAA;
	SMILES [Cd+2].[OH-].[OH-];
Properties
Chemical formula	Cd(OH)2
Molar mass	146.43 g/mol
Appearance	white crystals
Density	4.79 g/cm3
Melting point	130 °C (266 °F; 403 K)
Boiling point	300 °C (572 °F; 573 K) (decomposes)
Solubility in water	0.026 g/100 mL
Solubility product (Ksp)	7.2×10−15
Solubility	soluble in dilute acids
Acidity (pKa)	10
Magnetic susceptibility (χ)	−41.0·10−6 cm3/mol
Structure
Crystal structure	hexagonal
Thermochemistry
Std molar; entropy (S⦵298)	96 J·mol−1·K−1
Std enthalpy of; formation (ΔfH⦵298)	−561 kJ·mol−1
Hazards
	NIOSH (US health exposure limits):
PEL (Permissible)	[1910.1027] TWA 0.005 mg/m3 (as Cd)
REL (Recommended)	Ca
IDLH (Immediate danger)	Ca [9 mg/m3 (as Cd)]
Related compounds
Other anions	Cadmium chloride,; Cadmium iodide
Other cations	Zinc hydroxide,; Calcium hydroxide,; Magnesium hydroxide
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

Cadmium hydroxide is an inorganic compound with the formula Cd(OH)₂. It is a white crystalline ionic compound that is a key component of nickel–cadmium battery.