What is the purpose of zinc sulfide?

What are the properties of zinc sulfide?

Zinc sulfide is an inorganic compound with a chemical formula of ZnS and an appearance of white to off-white or light yellow powder. Zinc sulfide is stable in dry air and will gradually oxidize to zinc sulfate when it is placed in humid air for a long time or contains moisture. Soluble in dilute inorganic acid, soluble in alkali, insoluble in water, relative density 3.98 (α type), (d25) 4.102 (β type), irritating.

Zinc sulfide is generally prepared by the action of hydrogen sulfide and zinc salt solution. If a small amount of Cu, Mn, Ag is added as an activator in the ZnS crystal, different colors of fluorescence can be emitted after exposure to light.

Overview of zinc sulfide ZnS

Zinc sulfide is a white to off-white or light yellow powder. The color becomes darker when exposed to light. It is stable in dry air. When stored in moist air for a long time or contains water, it will gradually oxidize to zinc sulfate. Soluble in dilute inorganic acid, soluble in alkali, insoluble in water. The relative density is 3.98 (α type), (d25) 4.102 (β type). It is irritating.

Application of zinc sulfide ZnS

Zinc sulfide is usually made from scrap and used for other purposes. Typical sources include smelters, slag and pickling liquor. It is also a by-product of ammonia synthesis from methane, in which zinc oxide is used to remove hydrogen sulfide impurities in natural gas.

High-purity crystalline zinc sulfide powder is an important basic material, which is widely used in high-tech fields such as civil, military, and aerospace. It is also an extremely important window material for medium and long wave far-infrared precision guidance and far-infrared imaging, especially in frontier technical fields such as national defense and military. The uses of zinc sulfide are as follows: Luminescent materials

Zinc sulfide, with a small amount of suitable activator, has a 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 the activator, the color produced is bright blue with a maximum of 450 nm. The use of manganese produces an orange-red color of about 590 nm. Copper can emit light for a long time and has the familiar dark green luminous effect. Copper-doped zinc sulfide ("ZnS+Cu") is also used in electroluminescent panels. It also shows phosphorescence due to impurities in blue or ultraviolet light.

Optical materials

Zinc sulfide is also used as an infrared optical material, which can transmit visible light wavelengths to a little over 12 microns. It can be used as the plane of the optical window or the shape of the lens. It is made of hydrogen sulfide gas and zinc vapor microchips and is sold as FLIR grade (front looking infrared), where zinc sulfide is in a creamy yellow, opaque form. When hot isostatic pressing (HIPed), the material can be transformed into a transparent water form called Cleartran (trademark). The early commercial form was sold as Irtran-2, but this name is now obsolete.

pigment

Zinc sulfide is a common pigment, sometimes called sachtolith. When combined with barium sulfate, zinc sulfide forms Lithopone.

catalyst

ZnS fine powder is an effective photocatalyst, which generates hydrogen from water under light. Sulfur vacancies can be introduced into ZnS during the synthesis process. This gradually turns white to yellow ZnS into brown powder and enhances photocatalytic activity through enhanced light absorption.

Zinc sulfide ZnS price

The price of zinc sulfide and zinc sulfide products will vary with random factors, such as the production cost of zinc sulfide and zinc sulfide products, transportation costs, international situations, exchange rates and market demand for zinc sulfide and zinc sulfide products. Tanki New Materials Co., Ltd. aims to help various industries and chemical wholesalers find high-quality, 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 get the latest zinc sulfide ZnS product prices.

Suppliers of Zinc Sulfide ZnS

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