FormulaZnS
Growth methodChemical Vapor Deposition
Max. sizes, (mm)Ø180
Transmission range, (µm)
(Thickness 10 mm)
0.4 – 12.5
Structurecubic
Density (g/cm3)4.09
Melting point (°C)1830
Hardness (Mohs)4.5
Thermal expansion coefficient (10-6/K)6.5 @ 293K
Thermal conductivity (W m-1 K-1)27.2
Thermal optical coefficient (10-6/K)0.53
Solubility in water (g/100 cm3)insoluble
Solubility in acidsunessential
Solubility in organic solventsinsoluble
Wavelength (µm)
Refractive index
0.5
0.7
1.0
10
11
12
2.419
2.332
2.292
2.201
2.186
2.161
Absorption coefficient (cm-1)0.001 at 2.7 µm
0.2 at 10 µm

Zinc sulfide for VIS and IR spectrum