Cadmium Hydroxide
Structural Formula Vector Image
Title: Cadmium Hydroxide
CAS Registry Number: 21041-95-2
Additional Names: Cadmium hydrate
Molecular Formula: CdH2O2
Molecular Weight: 146.43
Percent Composition: Cd 76.77%, H 1.38%, O 21.85%
Line Formula: Cd(OH)2
Literature References: Usually prepd from a Cd salt by treatment with KOH: de Schulten, Compt. Rend. 101, 72 (1885); Fricke, Blaschke, Z. Elektrochem. 46, 46 (1940); Scholder, Staufenbiel, Z. Anorg. Allg. Chem. 247, 271 (1941).
Properties: Powder or trigonal and hexagonal crystals. d 4.79. Dehydration starts at 130° and is complete at 200°. Absorbs CO2 from the air. Practically insol in water; slightly sol in NaOH soln; sol in dil acids, in NH4OH or NH4Cl solns.
Density: d 4.79
Use: In storage battery electrodes.

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