Calcium sulfide is the chemical compound with the formula CaS. This white material crystallizes in cubes like rock salt.
VIMATERIAL provides various sulfides for you to choose: e.g sodium sulfide (Na2S), copper sulfide (Cu2S/CuS), germanium sulfide (GeS). If you have any needs, please contact us.
Chemical formula：CaS
Molar mass：72.143 g/mol
Appearance：white crystals hygroscopic
Density：2.59 g/cm3
Melting point：2,525 °C (4,577 °F; 2,798 K)
Solubility in water：hydrolyses
Solubility：insoluble in alcoholreacts with acid
Refractive index (nD)：2.137
Alkaline earth metal calcium sulfide, white with a rotten egg smell at room temperature, often yellow when impure. It has a sodium chloride type crystal structure, each S2- is connected to six Ca2+ octahedrons, and each Ca2+ is also coordinated with six S2- in an octahedral structure. The impure ones are light yellow. Soluble in water or hydrolyzed when exposed to moisture. Slightly soluble in alcohol. Decomposes in humid air and is oxidized in dry air. Rapidly decomposes in acid to release H2S. Reacts with chlorine and iodine to precipitate elemental sulfur.
Make luminous paint, and also used in the pharmaceutical industry, heavy metal treatment and environmental protection.
Calcium sulfide is used as electroluminescent material after being doped with rare earth elements.
Calcium sulfide is used as a depilatory, insecticide and in making luminous paint, thiourea, etc.
Our products implement the most stringent quality management system. There are strict inspection standards for incoming materials, processes, final inspections, and factory inspections. Strict isolation measures will be adopted for unqualified processing to prevent unqualified products from flowing into the next process. Samples will be provided to customers according to customer requirements for re-inspection.
Vacuum packaging, the packaging quantity can be provided according to customer requirements and packaged separately.
Handle under dry protective gas and keep the storage container sealed. Store in a tight storage container in a cool, dry place.
VI HALBLEITERMATERIAL GmbH (VIMATERIAL) employs a stringent quality assurance system to ensure the reliability of our product quality. Strict quality control is implemented throughout the entire production chain, and for defective products, we strictly enforce the principle of rework and redo. Each batch is released only after passing detailed specification tests.
Every batch of our materials is independently tested, and, if necessary, we send samples to certified companies for testing. We provide these documents and analysis certificates with the shipment to certify that our products meet the required standards.
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