High Purity Arsenic Sulfide As2S3 Powder CAS 1303-32-8, 99.99%

Inorganic arsenic trisulfide has the chemical formula As2S3, ore is known as female yellow. Particle size: 100mesh

Purity: 99.99%

Description of Arsenic Sulfide (As2S3) Powder:

Arsenic Trisulfide Is an inorganic compound. Arsenic sulfide  Chemical Formula It is also called As2S3. Arsenic sulfide The ore, also called "mineral duck," is a yellow co-mineral (realgar, arsenic disulfide). Pure arsenic sulfide The liquid is red at 300 and boils at 707, without decomposition. Yellow arsenic Sulphide is Insoluble in water, inorganic acids, and carbonate. But soluble with sodium sulfide and alkali-metal hydroxides. To be poisonous.

It is also called sodium thioarsenite and is available as the macerate NaASS2. The thioarsenite acids are very unstable and decompose easily.

Arsenic 3 sulfide This semiconductor has a direct bandgap value of 2.7 eV. It is infrared-transparent between 620 nm to 11 mm because of its wide bandgap.

As2S3 can be found both in its crystalline and amorphous state. Both forms consist of polymeric structures made up of triangular As(III) cone centers linked by sulfide centers. The sulfide centers are double coordinated with two arsenic atoms. In its crystalline form, this compound has a sheet structure with ruffles. Van der Waals forces are responsible for bonds between the sheets. Crystalline forms can be found in most geological samples. As2S3 Amorphous The cross-linking is more intense, even though the lamellarity of the structure is not present.

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English name: Arsenic (II) sulfide
C.I. 77085. Arsenic monosulfide. dithioxodiarsane
Arsenic Sulfide, CAS 1303-32-8
Arsenic Sulfide Molecular formula: As2S3
Arsenic Sulfide Molecular weight: 244.04
Arsenic Sulfide is composed of arsenic (70.03%) and 29.97% sulfur.

Production Method of Arsenic Sulfide (As2S3) Powder:

Direct synthesis method: arsenic powder and sulfur powder are directly mixed and react at a certain temperature and pressure to produce arsenic Sulfide. This method offers the benefits of a simple manufacturing process, convenient operation, and low manufacturing cost and is suitable for small-scale production. However, the direct synthesis method makes it difficult to accurately control the particle size and composition of the product, and the product quality is not stable enough.

Electrolysis: Electrolysis is an effective method for preparing arsenic Sulfide. Arsenic Sulfide is produced by the reaction of arsenic and sulfur ions in an electrolytic cell. By adjusting the electrolyte concentration, current density, and other parameters, the production process can be optimized, and the product quality can be improved. The advantages of the electrolysis method are high production efficiency, stable product quality, and suitable for large-scale production. However, the electrolysis method requires the use of large electrolytic equipment, high requirements for water quality and raw material purity, and relatively high manufacturing costs.

Reduction method: the reaction of arsenite or arsenic oxide with reducing agents (such as hydrogen, carbon monoxide, etc.) at high temperatures to produce arsenic Sulfide. The reduction method used for the production of arsenic Sulfide offers the benefits of a relatively straightforward process. It is cost-effective, which makes it suitable for production on a large scale. However, this method requires the use of reducing agents and has a certain impact on the environment.

Vapor deposition: Vapor deposition is a new technology for the preparation of arsenic Sulfide. The method is to produce arsenic sulfide powder by the reaction of arsenic source gas and sulfur source gas at high temperatures. The preparation of arsenic sulfide powder by vapor deposition has the advantages of fine particle size, high purity, and a simple preparation process. However, the vapor deposition method requires the use of a high-temperature furnace and precision control system, which requires high equipment and high manufacturing costs and is not suitable for large-scale production.

In general, different production methods have different advantages and disadvantages. Which production method to choose depends on the production scale, product quality requirements, and the actual situation of the enterprise. In addition to the above methods, other methods, such as precipitation, sol-gel, and chemical vapor deposition, can be used to prepare arsenic sulfide powder. Arsenic sulfide powders prepared by different methods are different in particle size, purity, and crystal form, and suitable production methods should be selected according to application requirements.

In addition, in the production process, we also need to pay attention to safety and environmental protection issues. Since arsenic Sulfide is easy to decompose at high temperatures to produce toxic arsenic vapor and sulfur vapor, it is necessary to pay attention to good ventilation and reduce the operating temperature as much as possible during the production process. Waste containing As2+ should minimize its impact on the environment and comply with relevant environmental standards for proper disposal. At the same time, the selection and maintenance of production equipment should also pay attention to safety and environmental protection to ensure the safety and stability of the production process.

Uses for Arsenic Sulfide  :

Electronic and semiconductor materials: In the electronics and semiconductor industry, arsenic sulfide can be used as a functional material to make resistors, capacitors, and semiconductor devices. In addition, arsenic sulfide can also be used as a dopant in the preparation of other semiconductor materials to improve their electrical conductivity and other properties.

Pharmaceutical field: In the field of medicine, some compounds of arsenic sulfide, such as methylsulfonyl trimethyl arsenic and P-amino acid, alkyl arsenic have antibacterial, antiviral, anti-inflammatory, and other pharmacological effects and are used to treat some bacterial infections and inflammatory diseases.

Agricultural field: In the field of agriculture, some compounds of arsenic sulfide, such as methyl arsonic ester and cyclic semicarbazone, have bactericidal, insecticidal, and herbicidal effects and are widely used in agricultural production.

Catalyst: Arsenic sulfide is a good choice as a catalyst in many chemical reactions, such as Suzuki coupling reaction, Heck reaction, Horner-Emmons reaction, etc. These reactions are of great significance in organic synthesis and drug development.

Luminous materials: Some compounds of arsenic sulfide, such as ZnS, CdS, etc., have luminous properties and can be used as luminous materials in the manufacture of displays, LED lights, and fluorescent flaw detection.

Photoelectric materials: Some compounds of arsenic sulfide, such as CuInS2 and CuGaS2, have photoelectric properties and can be used as photoelectric materials to manufacture solar cells and photoelectric devices.

Glass and ceramics industry: In the glass and ceramics industry, certain compounds of arsenic sulfide, such as As2S3, can be used as clarifying and opacifying agents in the production of optical glass and specialty ceramics.

Arsenic Sulfide (As2S3) Powder Storage Conditions:

It is recommended that the powder be stored in a dry and cool room. The powder cannot be exposed to air. Arsenic Sulfide As2S3 Powder should also not be exposed to stress.

Packing & Shipping Arsenic Sulfide (As2S3) Powder
The amount of As2S3 arsenic powder determines the type of packaging.
Powder packaging for arsenic sulfide (As2S3): Vacuum packed, 100g,500g or 1kg/bag.
Payment receipt: Arsenic Sulfide Powder shipping can be sent by air, sea, or express.

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