Description

Calcium Sulfide CAS NO 20548-54-3 is an inorganic compound primarily used as a key intermediate and reagent in various industrial chemical processes. Its primary commercial value lies in its role as a precursor for specialty sulfur compounds and in metallurgical applications. This product is essential for manufacturers in the chemical synthesis, mining, and wastewater treatment sectors seeking a reliable source of high-purity material.

Application

• Chemical Synthesis: Acts as a key precursor in the production of other sulfur-containing chemicals, including specialty pigments and phosphors.
• Metallurgical Industry: Used as a desulfurizing agent in the processing of non-ferrous metals and in ore flotation processes.
• Wastewater Treatment: Employed for the precipitation and removal of heavy metals from industrial effluents.
• Luminescent Materials: Serves as a base material in the manufacture of certain electroluminescent and photoluminescent compounds.
• Depilatory Agent: Used in the formulation of specific hair removal products within the personal care industry.
• Laboratory Reagent: Functions as a specialized reagent in analytical chemistry and research applications.

Basic Information

Product Name	Calcium Sulfide
CAS No.	20548-54-3
Molecular Formula	CaS
Molecular Weight	72.14 g/mol
Synonyms	Calcium monosulfide; Hepar calcis; Sulfurated lime; Oldhamite; Calcium sulfur salt; Calcium(II) sulfide; Calcium sulphide
EINECS	243-873-5

Quality Control

Our Calcium Sulfide is manufactured under stringent quality management protocols to ensure batch-to-batch consistency and reliability. The product undergoes comprehensive analytical testing, including assay, impurity profiling, and physical characterization. Certificates of Analysis (COA) documenting full compliance with agreed specifications are provided with each shipment and are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed after each use to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	Yellowish-gray to light gray powder or lumps
Identification (IR)	Conforms
Assay (CaS)	≥ 95.0 %
Water Insoluble Matter	≤ 1.0 %
Sulfide Content	≥ 40.0 %
Heavy Metals (as Pb)	≤ 20 ppm
Loss on Drying	≤ 2.0 %

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.