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Cadmium sulfide is the inorganic compound with the formula CdS. Cadmium sulfide is a yellow solid. It occurs in nature with two different crystal structures as the rare minerals greenockite and hawleyite, but is more prevalent as an impurity substituent in the similarly structured zinc ores sphalerite and wurtzite, which are the major economic sources of cadmium. As a compound that is easy to isolate and purify, it is the principal source of cadmium for all commercial applications.
Cadmium Sulfide Powder / CdS Powder (CdS, Super Grade, 12um, Super Grade, 99.99%)
Cadmium sulfide / CdS Appearance: Yellow-orange
Cadmium sulfide / CdS Density: 4.826 g/cm3, solid.
Cadmium sulfide / CdS Melting Point: 1,750 °C (3,180 °F; 2,020 K) 10 MPa
Cadmium sulfide / CdS Boiling Point: 980 °C (1,800 °F; 1,250 K)
Cadmium sulfide / CdS Crystal Structure: Hexagonal, Cubic
Cadmium sulfide / CdS Solubility: soluble in acid very slightly soluble in ammonium hydroxide
Cadmium sulfide / CdS Solubility in Water: insoluble.
Cadmium sulfide / CdS Application: pigment in the chemical industry; photoresistors; optical-electronic pairs, photodiodes, solar batteries; phosphors. Single crystals of cadmium sulfide are used for the preparation of optical devices operating in the infrared regaion of spectrum. Cadmium sulfide is a direct band gap semiconductor with a band gap band from 2.42 to 2.57 eV
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