Calcium Sulfide CAS#20548-54-3

Calcium Sulfide CAS#20548-54-3

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Slight Water Solubility – Calcium sulfide is slightly soluble in water, making it stable in various applications.

Reactive with Acids – It reacts with acids to produce hydrogen sulfide gas, useful for chemical synthesis.

Stable Physical Properties – Exhibits a pale yellow to light gray appearance with a distinct, stable composition.

Hygroscopic Nature – Absorbs moisture from the air and releases H₂S, showing strong chemical reactivity in humid environments.
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Product Description

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

Crystal Structure

NaCl type

Crystal system

Cube

Merck

14,1707

Space group

Fm3m

Lattice constant

a/nmb/nmc/nmα/oβ/oγ/oV/nm30.569080.569080.569089090900.1843

CAS DataBase Reference

20548-54-3(CAS DataBase Reference)

EPA Substance Registry System

Calcium sulfide (CaS) (20548-54-3)

Safety Information

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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