Zinc sulfide - Materials / Alfa Chemistry

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High Purity Materials

ZnS

Zinc sulfide

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Catalog Number

ACMA00021127

Product Name

Zinc sulfide

Category

ZnS

Description

Zinc sulfide appears as a yellowish-white powder in a liquid. Insoluble in water and denser than water. Primary hazard is to the environment. Immediate steps should be taken to limit spread to the environment. Easily penetrates the soil to contaminate groundwater and nearby waterways.;DryPowder; OtherSolid; PelletsLargeCrystals;WHITE-TO-YELLOW CRYSTALS OR POWDER.

IUPAC Name

sulfanylidenezinc

Molecular Weight

97.4g/mol

Molecular Formula

ZnS

InChI

InChI=1S/S.Zn

InChI Key

WGPCGCOKHWGKJJ-UHFFFAOYSA-N

Melting Point

1700 °C

Purity

0.9999

Density

4.1 g/cm³

Solubility

Insol in alkalies; sol in dil mineral acids;0.00069 g/100 cc water at 18 °C (Alpha); 0.00065 g/100 cc water at 18 °C (Beta);Solubility in water: none

Color/Form

Exists in two crystalline forms, alpha (wurtzite) and beta (sphalerite);White hexagonal crystals /wurtzite/;Gray-white cubic crystals /sphalerite/;White to grayish-white or yellowish powder colorless cubic crystals

Complexity

Composition

When containing water, it slowly oxidizes in air to sulfate;When heated kto decomposition it emits toxic vapors of zinc and /sulfur oxides/.

Compound Is Canonicalized

Yes

Covalently-Bonded Unit Count

Defined Atom Stereocenter Count

Defined Bond Stereocenter Count

Deprecated CAS

37187-67-0, 209065-88-3, 64334-34-5, 714217-01-3

EC Number

215-251-3

Exact Mass

95.901213g/mol

Formal Charge

Heavy Atom Count

Hydrogen Bond Acceptor Count

Hydrogen Bond Donor Count

ICSC Number

1627

Isotope Atom Count

MeSH Entry Terms

sphalerite;zinc sulfide

Monoisotopic Mass

95.901213g/mol

Other Experimental

Changes to alpha form at 1020 °C; sublimes at 1180 °C /beta/;DEPENDING ON IRON (FE) CONTENT, NATURAL SPECIMENS RANGE IN COLOR FROM LIGHT TAN TO BLACK /ZINC SULFIDE MINERAL/

Refractive Index

Index of refraction: 2.356, 2.378 (alpha); 2.368 (beta)

Rotatable Bond Count

RTECS Number

ZH5400000

Stability

When containing water, it slowly oxidizes in air to sulfate;Stable if kept dry

Topological Polar Surface Area

32.1Å²

Undefined Atom Stereocenter Count

Undefined Bond Stereocenter Count

UN Number