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  1. Calcium sulfate (or calcium sulphate) is the inorganic compound with the formula CaSO 4 and related hydrates. In the form of γ- anhydrite (the anhydrous form), it is used as a desiccant. One particular hydrate is better known as plaster of Paris, and another occurs naturally as the mineral gypsum.

    • CaSO₄
    • 136.14 g/mol (anhydrous), 145.15 g/mol (hemihydrate), 172.172 g/mol (dihydrate)
    • 1,460 °C (2,660 °F; 1,730 K) (anhydrous)
    • 0.26 g/100ml at 25 °C (dihydrate)
  2. Calcium sulfate | CaSO4 or CaO4S | CID 24497 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities ...

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  4. Physical and Chemical Properties. Calcium sulfate exhibits interesting physical and chemical properties that make it a material of choice in various applications. It is a white, odorless, crystalline solid at room temperature, although its color may vary depending on the presence of impurities. As an ionic compound, it has high melting and ...

  5. DESOTO CHEMICAL COATINGS, INC. Source reference: COBLENTZ NO. 4671: Date: Not specified, most likely prior to 1970: Name(s) GYPSUM: State: SOLID (0.5 mg / 300 mg CsI DISC) Instrument: BECKMAN IR-12 (GRATING) Instrument parameters: GRATING BLAZED AT 3330, 1330, 445, 220 CM-1: Resolution: 4: Sampling procedure: TRANSMISSION: Data processing

    • Not specified, most likely prior to 1970
    • DESOTO CHEMICAL COATINGS, INC.
    • GYPSUM
    • COBLENTZ NO. 4671
  6. Calcium sulfate. Molecular Formula CaOS. Average mass 136.141 Da. Monoisotopic mass 135.914322 Da. ChemSpider ID 22905. - Charge.

  7. It is a calcium compound with the formula CaSO4 and its related hydrates. Its forms are white solids, barely soluble in water. Its two common hydrates are Plaster of Paris and Gypsum. Plaster of Paris is a Hemi-hydrate of calcium sulphate which is obtained by heating gypsum to 393 K. If it is heated above 393 K, it forms anhydrite, also known ...

  8. Calcium sulfate, CaSO 4, is a naturally occurring calcium salt. It is commonly known in its dihydrate form, CaSO 4 ∙2H 2 O, a white or colourless powder called gypsum. As uncalcined gypsum, the sulfate is employed as a soil conditioner. Calcined gypsum is used in making tile, wallboard, lath,….

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