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Sulfide Powder

Chromium Sulfide Cr2S3 Powder CAS 12018-22-3

Item No.: TR-Cr2S3
Chromium(III) sulfide is the inorganic compound with the formula Cr2S3. Chromium Sulfide is a moderately water and acid soluble Chromium source for uses compatible with sulfates.
Particle size: -100mesh
Purity: 99.99%
  • COA-Chromium(III) sulfide 硫化铬 docxDownload
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Description
Chromium Sulfide Properties

Properties of Chromium Sulfide:

Product Name:  

Chromium Sulfide

Formula:            

Cr2S3

Cas No.         

12018-22-3

Purity

99.99%


English alias: chromium trisulphide; chromic sulphide; Chromium sulfide brown black powder; chromium(3+) sulfide (2:3)
EINECS: 234-638-8
Chromium sulfide chemical formula: Cr2S3
Chromium sulfide Molecular weight: 200.17
Chromium sulfide Information: brown, there are two kinds of trigonal and orthorhombic.
Chromium sulfide Density (g/mL, 25/4 ° C): 3.972 g/cm 3 (trigonal system), 3.922 g/cm 3 (orthorhombic system)
Chromium sulfide Solubility: insoluble in water.


About Chromium Sulfide Cr2S3 Powder :
Chromium sulfide powder is an inorganic compound formulated as Cr2S3.

What is the name of Cr2S3? 
Chromium sulfide
 is a brown-black solid insoluble in water.

Is chromium sulfide an ionic compound? 
Chromium(III) Sulfide is the inorganic compound with the formula Cr2S3. Chromium sulfides are usually nonstoichiometric compounds, with formulas ranging from CrS to Cr0.67S (corresponding to Cr2S3). Chromium sulfide is usually a non-stoichiometric compound with molecular formulas ranging from Crs to Cr0.67 (corresponding to Cr2S3). According to X-ray crystallography, chromium sulfide is a combination of nickel arsenide (1:1 stoichiometric ratio) and cadmium (OH)2(1:2 stoichiometric ratio). The Cr-Cr distance of some metal-metal bonds is 2.78 A. 

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How is Chromium Sulfide Cr2S3 powder produced?
Chromium sulfide is a moderately water-soluble and acid-soluble chromium source, compatible with sulfates. Sulfate is a sulfate or ester formed by replacing one or two hydrogens with a metal. Most metallic sulfate compounds are readily soluble in water and used for purposes such as water treatment, unlike fluorides and oxides which tend to be insoluble in water. Organometallic forms are soluble in organic solutions and sometimes in water and organic solutions.
Chromium sulfide (III) can be prepared by reacting a stoichiometric mixture of chromium powder and sulfur powder elements at 1000°C.
Or by taking chromium and sulfur according to the molar ratio of 2∶3 mixed, heated in vacuum 1 day later, cooling, crushing, and then heating in vacuum, and slowly cooling.Cr2S3 is obtained by placing it briefly at 300℃ and then cooling it to room temperature.
 

Applications of Chromium Sulfide Cr2S3 Powder:

Catalysts and catalyst carriers: Chromium sulfide powder has high specific surface area and activity, which can be used as catalysts and catalyst carriers for a variety of chemical reactions, such as alkylation reaction, hydrogenation reaction, hydrodesulfurization, and so on. Compared with other catalysts, chromium sulfide catalysts show higher stability and activity under high temperature and high-pressure conditions, and are suitable for complex reactions in industrial production.


Electronic and optical materials: chromium sulfide powder has high transmittance, low resistivity, and good optical stability, which can be applied in electronic and optical fields. For example, it can be used as a window material for optoelectronic devices to improve the performance and stability of the devices. In addition, chromium sulfide can also be applied to encapsulation and optical coatings in solar cells, LEDs, and other fields.


Magnetic materials: Chromium sulfide powder has a high permeability and low coercivity, which can be used as a magnetic material in electronic devices. For example, it can be used as a magnetic recording medium for the manufacture of high-density magnetic recording memories. In addition, chromium sulfide can be used as a magnetic fluid in sealing and vibration-damping applications.


Wear-resistant materials: Chromium sulfide powder has high hardness and good wear resistance and can be used as wear-resistant materials in the manufacture of mechanical parts. For example, it can be used in the manufacture of high-precision, highly wear-resistant bearings, gears, and other mechanical parts to improve the reliability and service life of equipment.


Coating and surface treatment: Chromium sulfide powder can be applied as a coating and surface treatment agent on the surface of many materials, such as stainless steel, copper alloy, titanium alloy, and so on. By forming a dense chromium sulfide film layer on the surface of the material, it can significantly improve the corrosion resistance, abrasion resistance, and high-temperature oxidation resistance of the material and extend the service life of the equipment.


Storage Condition of Chromium Sulfide Cr2S3 Powder:
The damp reunion will affect Cr2S3 powder dispersion performance and using effects, therefore, Chromium Sulfide Cr2S3 Powder should be sealed in vacuum packing and stored in a cool and dry room, the Chromium Sulfide Cr2S3 Powder can not be exposure to air. In addition, the Cr2S3 powder should be avoided under stress.

Packing & Shipping of Chromium Sulfide Cr2S3 Powder:
We have many different kinds of packing which depend on the Chromium Sulfide Cr2S3 Powder quantity.
Chromium Sulfide Cr2S3 Powder packing:vacuum packing, 100g, 500g or 1kg/bag, 25kg/barrel, or as your request.
Chromium Sulfide Cr2S3 Powder shipping: could be shipped out by sea, by air, by express, as soon as possible once payment receipt.

 



Packing & Shipping of Chromium Sulfide Cr2S3 Powder

 

FAQs of Chromium Sulfide Cr₂S₃ Powder:

Q: What is chromium sulfide used for?

A: Chromium sulfide (Cr₂S₃) powders are utilized in various industrial applications due to their unique properties. They are commonly found in high-temperature ceramics, where they provide excellent thermal stability and resistance to corrosion. Cr₂S₃ can also be used as a pigment in paints and coatings, offering vibrant colors with good lightfastness. In the electronics industry, chromium sulfide finds application in semiconductor devices because of its semiconducting behavior at room temperature. Moreover, it is used in solid-state reactions and catalysis, serving as a precursor or catalyst support material in chemical synthesis processes. The powder's magnetic properties make it suitable for certain types of magnetic storage media and other specialized electronic components.


Q: Is chromium sulfide safe for human exposure?

A: Chromium sulfide should be handled with caution. While there is limited data on the health effects of Cr₂S₃ specifically, exposure to fine particles of this compound can potentially cause irritation to the respiratory system, eyes, and skin. Proper safety measures include wearing personal protective equipment (PPE) such as gloves, safety goggles, and a respirator when handling the powder, especially if airborne dust is present. Adequate ventilation and adherence to occupational exposure guidelines are important to minimize risks. Always consult the Safety Data Sheet (SDS) provided by the manufacturer for detailed information on potential health impacts and safe handling practices.


Q: What is the formula and structure of chromium sulfide?

A: Chromium sulfide has the chemical formula Cr₂S₃, indicating that it consists of two chromium atoms (Cr) and three sulfur atoms (S). This compound crystallizes in a spinel-type structure, which is characterized by a complex arrangement of metal and non-metal ions within the crystal lattice. The specific atomic configuration contributes to the material's physical properties, including its electrical conductivity and thermal stability. The spinel structure allows for a range of oxidation states and coordination environments, making Cr₂S₃ adaptable for various applications requiring robust mechanical performance and chemical durability.


Q: Can chromium sulfide be incorporated into composite materials?

A: Yes, chromium sulfide can be integrated into composite materials to enhance specific properties such as thermal stability, corrosion resistance, and electrical conductivity. Composites containing Cr₂S₃ benefit from these attributes while offering improved design flexibility and functionality. For example, incorporating Cr₂S₃ into ceramic matrix composites can lead to materials with enhanced toughness and wear resistance, suitable for use in extreme environments. When used as a reinforcing phase in metal or polymer matrices, chromium sulfide can improve the overall performance of the composite, making it more durable and capable of withstanding harsh conditions. Additionally, the magnetic properties of Cr₂S₃ can be leveraged in developing advanced materials for data storage and electromagnetic applications. The versatility of chromium sulfide opens up possibilities for innovation across multiple industries, from aerospace and automotive to electronics and energy.


Luoyang Tongrun Nano Technology Co. Ltd. (TRUNNANO) is a trusted global chemical material supplier & manufacturer with over 12-year-experience in providing super high-quality chemicals and Nanomaterials, including boride powder, nitride powder, graphite powder, sulfide powder, 3D printing powder, etc.
If you are looking for high-quality chromium sulfide powder, please feel free to contact us and send an inquiry. ([email protected])

Chromium Sulfide Properties

Other Names chromium(III) sulfide, chromium(3+) trisulfide,
dichromium trisulphide, Cr2S3 powder
CAS No. 12018-22-3
Compound Formula Cr2S3
Molecular Weight 200.19
Appearance Brown to Black Powder
Melting Point 1350
Boiling Point N/A
Density 3.77 g/cm3
Solubility in H2O N/A
Exact Mass 199.797236
   
   

Chromium Sulfide Health & Safety Information

Signal Word N/A
Hazard Statements N/A
Hazard Codes N/A
Risk Codes N/A
Safety Statements N/A
Transport Information N/A
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