CALCIUM SULFIDE

ChemicalBook > CAS DataBase List > CALCIUM SULFIDE

Product Name: CALCIUM SULFIDE
CAS No.: 20548-54-3
Chemical Name: CALCIUM SULFIDE
Synonyms: Baumol;Oldhamite;C.I. 77245;thioxocalcium;CALCIUM SULFIDE;Pigment White 9;Calcium-sulphide-;calciumsulfide(cas);Calcium monosulfide;C.I. Pigment White 9
CBNumber: CB3391370
Molecular Formula: CaHS
Formula Weight: 73.15
MOL File: 20548-54-3.mol

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CALCIUM SULFIDE Property

Melting point:: 2000 °C
Density: 2.6
refractive index: 2.12
solubility: slightly soluble in H2O; insoluble in ethanol
form: Powder
Specific Gravity: 2.5
color: White
Water Solubility: Slightly soluble in water. Insoluble in alcohol.
Sensitive: Moisture Sensitive
Merck: 14,1707
CAS DataBase Reference: 20548-54-3(CAS DataBase Reference)
EPA Substance Registry System: Calcium sulfide (CaS) (20548-54-3)

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Safety

Hazard Codes: Xi,N
Risk Statements: 31-36/37/38-50
Safety Statements: 28-61
RIDADR: UN 3179 4.1/PG 2
WGK Germany: 2
TSCA: Yes
HazardClass: 4.3
PackingGroup: III

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Danger

Hazard statements

H228Flammable solid

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

H400Very toxic to aquatic life

Precautionary statements

P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

P273Avoid release to the environment.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 409553
Product name: Calcium sulfide
Purity: 325mesh, ≥99.9% trace metals basis
Packaging: 10g
Price: $782
Updated: 2023/01/07

Alfa Aesar

Product number: 013121
Product name: Calcium sulfide, 99.9% (metals basis excluding Sr), Sr typically 500 ppm
Packaging: 5g
Price: $65.4
Updated: 2024/03/01

Alfa Aesar

Product number: 013121
Product name: Calcium sulfide, 99.9% (metals basis excluding Sr), Sr typically 500 ppm
Packaging: 25g
Price: $258
Updated: 2023/06/20

Strem Chemicals

Product number: 93-2047
Product name: Calcium sulfide (99.9+%-Ca)
Packaging: 10g
Price: $78
Updated: 2024/03/01

Strem Chemicals

Product number: 93-2047
Product name: Calcium sulfide (99.9+%-Ca)
Packaging: 50g
Price: $316
Updated: 2024/03/01

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CALCIUM SULFIDE Chemical Properties,Usage,Production

Chemical Properties

CALCIUM SULFIDE is OFF-WHITE POWDER

Physical properties

Calcium sulfide is slightly soluble in water but insoluble in alcohol. It reacts with acids, producing hydrogen sulfide gas. Calcium sulfide is pale yellow to light gray with a bitter taste. It is hygroscopic, producing an odor of H2S in moist air.

Occurrence

Calcium sulfide occurs in nature as the mineral oldhamite. It has several applications. The ‘luminous’ calcium sulfide is used in phosphors, luminous paints and varnishes. Calcium sulfide also is used as an additive to lubri cants; and as a flotation agent in ore extraction.

Uses

Calcium sulfide is used in phosphors, lubricant additives and luminous paints. It reacts with elemental sulfur to give a lime-sulfur. Further, it is used in ore dressing and flotation agent. In addition to this, it is used as a depilatory in the tanning industry and in cosmetics.

Uses

Calcium sulfide may be used to remove heavy metals from wastewater.

Uses

CALCIUM SULFIDE is used in electron emitters. Luminous CaS used for making luminous paints or varnishes.

Preparation

Calcium sulfide can be prepared by the direct reaction of the elements, calcined in an inert atmosphere, at a 1:1.05 molecular ratio:
Ca＋S＋heat→CaS
This white material crystallizes in a cubic structurelike rock salt and the bonding is highly ionic. This is consistent with its description as an ionic solid. CaS can also be produced by the “carbothermic reduction” of calcium sulfate, which entails the conversion of carbon, usually as charcoal, to CO2:
CaSO4＋ 2C→CaS＋ 2CO2
This can react further:
3CaSO4＋ CaS→4CaO＋ 4SO2
Thus, this type of preparation cannot be used to prepare a pure CaS salt.
Calcium sulfide is available commercially as the pure sulfide as well as the polysulfide due to its extensive usage in the past as an insecticide both agriculturally and in home gardens.

General Description

Crystal structure of CaS is cubic. Electrical conductivity of calcium sufide in the temperature range of 650^oC-1000^oC was studied in great detail. It was concluded that CaS could be used as a potential electrolyte in a sulfur concentration cell.2

CALCIUM SULFIDE Preparation Products And Raw materials

Raw materials

Preparation Products

N1-(3-Aminophenyl)acetamide 3-Nitroaniline

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View Lastest Price from CALCIUM SULFIDE manufacturers

Hebei Saisier Technology Co., LTD

Product: CALCIUM SULFIDE 20548-54-3
Price: US $6.00/KG
Min. Order: 25KG
Purity: More than 99%
Supply Ability: 2000KG/Month
Release date: 2024-03-28

Shandong Juchuang Chemical Co., LTD

Product: Sulfide hair remover 20548-54-3
Price: US $7.00-2.00/kg
Min. Order: 500kg
Purity: 99.9
Supply Ability: 200tons
Release date: 2024-03-14

Hebei Jingbo New Material Technology Co., Ltd

Product: CALCIUM SULFIDE 20548-54-3
Price: US $0.00/kg
Min. Order: 1kg
Purity: 99%
Supply Ability: 1000000
Release date: 2024-01-08

20548-54-3, CALCIUM SULFIDERelated Search:

Sulfurous Acid Poly(vinyl alcohol) Calcium carbide Tin(Ⅱ) sulfide Silicon carbide Aluminium sulfide Magnesium nitride Lithium bromide Zinc sulfide Calcium chloride hexahydrate PYRITE Calcium Calcium sulfide (Ca(Sx)) Calcium polysulfide Calcium sulfide (CaS), solid soln. with strontium sulfide, bismuth and copper-doped Calcium sulfide (CaS), solid soln. with strontium sulfide, bismuth and europium-doped Calcium sulfide (CaS), cerium-doped

CALCIUM SULFIDE

Calcium sulfide (CaS)

calciumsulfide(cas)

Calcium-sulphide-

Calcium sulfide, #325 mesh, 99.9+% metals basis

Calcium sulfide, -325 mesh, pure, 99.9+%

CALCIUM SULFIDE, 99.99%

Calciumsulfide(99.9+%-Ca)

CALCIUM SULFIDE , -45 MICRON

Calcium sulfide,99.9+%,pure,-325 mesh

Calcium sulfide, 99% (metals basis excluding Mg), Mg <1%

Calcium sulfide, 99.9% (metals basis excluding Sr), Sr typically 500 ppm

Calcium sulfide, 99.95+% (metals basis excluding Sr), Sr typically 500 ppm

Oldhamite

Baumol

C.I. 77245

C.I. Pigment White 9

Calcium monosulfide

Pigment White 9

Calcium sulfide, 99% trace metals basis excluding Mg

Calcium sulfide, 99.9% trace metals basis

CALCIUM SULFIDE, LUMINOUS

sulfanylidenecalcium

thioxocalcium

Sulfide hair remover

20548-54-3

Catalysis and Inorganic Chemistry

metal chalcogenides

Inorganics

CalciumMaterials Science

Catalysis and Inorganic Chemistry

Chalcogenides

Chemical Synthesis

Metal and Ceramic Science