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CALCIUM SULFIDE

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Origin: China

Cas No: 20548-54-3

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 50 mt/month

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  • Products Specification
  • Product Description

  • Property

    CAS No.: 20548-54-3 Formula: CaS Molecular Weight: 72.14300

    Description

    Calcium sulfide is the chemical compound with the formula CaS. This white material crystallizes in cubes like rock salt. CaS has been studied as a component in a process that would recycle gypsum, a product of flue-gas desulfurization. Like many salts containing sulfide ions, CaS typically has an odour of H2S, which results from small amount of this gas formed by hydrolysis of the salt.
    In terms of its atomic structure, CaS crystallizes in the same motif as sodium chloride indicating that the bonding in this material is highly ionic. The high melting point is also consistent with its description as an ionic solid. In the crystal, each S2− ion is surrounded by an octahedron of six Ca2+ ions, and complementarily, each Ca2+ ion surrounded by six S2− ions.

    Basic Info

    Chemical Name CALCIUM SULFIDE
    Synonyms

    calcium polysulfide;
    C.I. Pigment White 9;
    Oldhamite;
    Calcium monosulfide;
    Calcium sulfide;
    Pigment White 9;
    lime sulfur;
    Baumol;
    Calcium-sulphide;
    Calcium sulfide (CaS);
    calciumsulfide();

    CAS No. 20548-54-3
    Molecular Formula CaS
    Molecular Weight 72.14300
    PSA 25.30000
    LogP -0.53540

    Properties

    Appearance & Physical State OFF-WHITE POWDER
    Density 2.6
    Melting Point 2000ºC

    Safety Info

    Hazard Class 4.3
    Safety Statements S28; S61
    HS Code 2930909090
    WGK Germany 2
    Packing Group III
    RIDADR UN 3179 4.1/PG 2
    Risk Statements R31; R36/37/38; R50
    Hazard Codes Xi; N
    Hazard Declaration H315; H319; H335; H400
    Symbol GHS07, GHS09
    Supplemental Hazard Statements Contact with acids liberates toxic gas.
    Signal Word Warning
    Caution Statement P261; P273; P305 + P351 + P338

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