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The application direction of zinc sulfide

2024-01-10 15:21:32  News

Overview of Zinc Sulfide

Zinc sulfide is a white to almost white or light yellow powder that darkens in color when exposed to light. Stable in dry air, gradually oxidized to zinc sulfate when stored in humid air or with water for a long time. Soluble in dilute inorganic acids, soluble in alkalis, insoluble in water. Relative density 3.98( α Type, (d25) 4.102( β Type). It is stimulating.

Application of Zinc Sulfide

Zinc sulfide is usually made from waste and used for other purposes. Typical sources include smelters, slag, and pickling solution. It is also a byproduct of methane to ammonia synthesis, with zinc oxide used to remove hydrogen sulfide impurities from natural gas.

High purity crystalline zinc sulfide powder is an important basic material widely used in high-tech fields such as civil, military, aerospace, etc. It is also an extremely important window material for medium to long wave far-infrared precise guidance and far-infrared imaging, especially in cutting-edge technology fields such as national defense and military. The application of zinc sulfide is as follows: luminescent material.

Zinc sulfide, combined with a small amount of suitable activator, has strong phosphorescence and is currently used in various applications from cathode ray tubes to X-ray screens to emit light in dark products. When silver is used as an activator, the resulting color is bright blue with a maximum wavelength of 450 nm. When using manganese, it produces an orange red color of approximately 590 nm. Copper can emit light for a long time and has the familiar dark green emitting effect. Copper doped zinc sulfide (ZnS+Cu) is also used in electroluminescent panels. It also exhibits phosphorescence due to impurities in blue or ultraviolet light.

optical material

Zinc sulfide is also used as an infrared optical material, which can transmit visible light wavelengths to slightly higher than 12 microns. It can be used as a plane or lens shape for optical windows. It is made of hydrogen sulfide gas and zinc vapor microchips, sold in FLIR grade (forward looking infrared), with zinc sulfide appearing milky yellow in an opaque form. When subjected to hot isostatic pressing (HIPed), the material can be transformed into a transparent form of water, known as Cleartran (trademark). The early commercial form was sold in the form of Irtran-2, but this name is now outdated.


Zinc sulfide is a common pigment, sometimes referred to as sachtolith. When combined with barium sulfate, zinc sulfide forms lithopone.


Fine ZnS powder is an effective photocatalyst that produces hydrogen gas from water under illumination. During the synthesis process, sulfur vacancies can be introduced into ZnS. This gradually turns white to yellow ZnS into brown powder and enhances photocatalytic activity through enhanced light absorption.

Zinc sulfide price

The price of zinc sulfide products will randomly change with factors such as production costs, transportation costs, international situation, exchange rates, and market supply and demand of zinc sulfide ZnS products. Tanki New Materials Co., Ltd. aims to help various industries and chemical wholesalers find high-quality and low-cost nanomaterials and chemicals by providing a full set of customized services. If you are looking for zinc sulfide ZnS products, please feel free to send an inquiry to obtain the latest prices for zinc sulfide ZnS products.

Suppliers of zinc sulfide

As a global supplier of zinc sulfide products, Tanji New Materials Co., Ltd. has rich experience in the performance, application, and cost-effective manufacturing of advanced engineering materials. The company has successfully developed a series of high-purity powder materials (molybdenum disulfide, tungsten sulfide, bismuth sulfide, etc.), functional ceramics, and structural devices, and provided OEM services.

Technical Parameter of Zinc Sulfide ZnS Powder :
Particle sizeZnSWaterFe,mg/kgCu,mg/kgPb, mg/kgNi, mg/kgCd,mg/kgMn, mg/kgPH

Zinc Sulfide Properties
Other NamesZnS powder, zinc sulphide, zinc sulfide phosphor
CAS No.1314-98-3
Compound FormulaZnS
Molecular Weight97.45
AppearanceWhite to off-white Powder
Melting Point1830 °C
Boiling PointN/A
Density4.1 g/cm3
Solubility in H2ON/A
Poisson's Ratio0.28
Specific Heat520 J/kg-K
Thermal Conductivity 27 W/m-K
Thermal Expansion6.5 µm/m-K
Young's Modulus75 GPa
Zinc Sulfide Health & Safety Information
Signal WordN/A
Hazard StatementsN/A
Flash PointN/A
Hazard CodesN/A
Risk CodesN/A
Safety StatementsN/A
RTECS NumberZH5400000
Transport InformationNONH for all modes of transport
WGK Germanynwg

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