Copper(Ii) Sulfide CAS 1317-40-4
Factory Outlet Copper(Ii) Sulfide CAS 1317-40-4
- Appearance:Powder
- Purity:99.8%
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Name: Copper(Ii) Sulfide
CAS: 1317-40-4
MOQ: 1KG
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Product Introduction:
Copper(II) Sulfide (chemical formula CuS) is a sulfide of copper, existing in the form of indigo-blue or black monoclinic or hexagonal crystal systems with a metallic luster. In nature, Copper(II) Sulfide occurs as the mineral covellite. This compound has a relative density of 4.6, is stable in dry air, but gradually oxidized to copper sulfate in moist air, and decomposes when heated to 220°C.
Copper(II) Sulfide has an extremely low solubility in water, with a very small solubility product (8.0×10^-37), and is virtually insoluble in water or ethanol. However, it dissolves in hot dilute nitric acid, hot concentrated hydrochloric acid, or concentrated sulfuric acid, forming the corresponding divalent copper salts of the acids; it is also readily soluble in hot solutions of potassium cyanide (KCN) or sodium cyanide (NaCN), forming the tetracyanocopper(I) complex ion [Cu(CN)4]3-.
There are various methods for the preparation of Copper(II) Sulfide. Industrially, it can be smelted into copper matte or blister copper in a suspended state by subjecting dry and fine Copper(II) Sulfide concentrate to a high-speed hot air or oxygen-enriched air stream. This method combines the processes of roasting, smelting, and partial converting in one piece of equipment, representing an intensified production method that reduces energy consumption and eliminates pollution in copper smelting.
In the laboratory, Copper(II) Sulfide can be prepared by passing hydrogen sulfide into a slightly acidic copper sulfate solution or by adding ammonium sulfide to a copper sulfate solution. The precipitate obtained after filtration, washing, and drying is the finished product of Copper(II) Sulfide.
Industrially, Copper(II) Sulfide is mainly used in the copper smelting process. By heating Copper(II) Sulfide with oxygen, copper can be extracted from the sulfide to form metallic copper. This process typically occurs in a smelting furnace and is one of the key steps in copper smelting. Additionally, Copper(II) Sulfide is used as a catalyst in certain chemical reactions, especially in organic synthesis reactions.
Copper(II) Sulfide has certain toxicities, particularly at high concentrations. It poses certain hazards to the environment and living organisms, so it is important to pay attention to waste gas emissions and waste treatment during copper mining, smelting, and the use of Copper(II) Sulfide. Moreover, waste from Copper(II) Sulfide can pollute soil and water sources, making environmental protection very important in its production and use processes.
Basic Info:
Chemical Structure
| Melting point | 220 °C (dec.) (lit.) |
| density | 4.6 g/mL at 25 °C (lit.) |
| refractive index | 1.45 |
| solubility | insoluble in H2O, ethanol, dilacid, alkaline solutions |
| form | powder |
| color | Black |
Nature and Specifications:
| Item | Specification |
| Product Name | Copper(Ii) Sulfide |
| CAS No. | 1317-40-4 |
| Appearance | Powder |
| Shelf Life | 2 years |
| Packing | As your requirements |
| Sensitive | Air & Moisture Sensitive |
| Merck | 14,2965 |
| crystal system | Six sides |
| Solubility Product Constant (Ksp) | pKsp: 35.2 |
| Space group | P63/mmc |
What Are The Uses of Copper(Ii) Sulfide
Product service:
Copper(II)Sulfide(Cu₂S),as an important copper compound,has a wide range of applications across various fields.
• Smelting and Copper Extraction
Copper(II)Sulfide plays a significant role in the copper smelting process and is one of the common copper compounds found in copper ores.Through high-temperature heating,Copper monosulfide reacts with oxygen to produce sulfur dioxide(SO₂)and copper oxide(CuO),which further reacts with carbon(C)to reduce to metallic copper.This process,known as the”roasting-reduction method,”is one of the core steps in copper production.Typically,Copper monosulfide is one of the key raw materials for extracting copper from minerals such as chalcopyrite and bornite.
• Electronics and Semiconductor Industry
The semiconductor properties of Copper(II)Sulfide give it some applications in the electronics industry.It is important in thermoelectric materials due to its good thermoelectric performance,which can generate electricity when there is a change in temperature.This makes it one of the key materials in thermoelectric power generation devices.
Copper(II)Sulfide also has potential applications in solar cells and photoelectric sensors,and researchers have begun to explore its use in thin-film photovoltaic cells.Due to Copper monosulfide’s ability to convert energy under light,its photoelectric properties are widely studied for the development of more efficient photoelectric conversion materials.
• Catalyst
Copper(II)Sulfide is used as a catalyst in certain chemical reactions.Thanks to its good chemical stability,this product can promote some organic chemical reactions,especially in some hydrogenation reactions.In the chemical industry,Copper monosulfide can be used to catalyze certain chemical reactions,facilitating the transformation of raw materials and the formation of products.
Additionally,Copper(II)Sulfide is applied in catalytic hydrogenation reactions,such as the hydrogenation of ethylene,helping to convert unsaturated hydrocarbons into saturated ones.
• Batteries and Energy Storage
The potential of Copper(II)Sulfide as a battery material is gradually being discovered.Its electrochemical properties make it show certain application prospects in new types of energy storage devices,especially in the field of lithium-sulfur batteries(Li-S batteries).In lithium-sulfur batteries,Copper monosulfide,as part of the electrode material,participates in the battery reaction,improving the energy density and cycle stability of the battery.Researchers believe that Copper monosulfide’s good conductivity and lower material costs make it a promising choice in future battery technologies.
• Agriculture and Plant Protection
Copper(II)Sulfide has certain applications in agriculture,especially as a pesticide and plant protectant.The product is used as a broad-spectrum fungicide,particularly in the prevention and treatment of plant fungal diseases.It can effectively inhibit plant diseases such as downy mildew and powdery mildew and has a good inhibitory effect on certain pathogens in the soil.In the prevention and treatment of certain plant diseases,Copper monosulfide is often used in combination with other chemical substances to enhance its fungicidal effect.
• Environmental Protection
Copper(II)Sulfide also plays a role in some environmental protection technologies.Copper monosulfide can effectively adsorb heavy metal ions in water,especially copper and zinc ions,and is therefore used as an adsorbent material in water treatment.The adsorption characteristics of Copper monosulfide make it an effective material for purifying water sources,especially in the treatment of industrial wastewater,reducing harmful substances in water bodies and reducing the risk of environmental pollution.
• Optics and Photoelectric Devices
The application of Copper(II)Sulfide in optics and photoelectric devices is mainly related to its photoelectric properties.Researchers have found that Copper monosulfide films have good optical absorption capabilities and can be used as photoelectric conversion materials.This makes Copper monosulfide potentially a key material in photovoltaic devices,photoelectric sensors,and other related electronic devices.By changing the thickness and doping methods of the product’s film,its photoelectric properties can be adjusted to enhance its light absorption capacity in specific wavelength bands.
• Intermediates in Synthetic Chemical Reactions
Copper(II)Sulfide is also an important intermediate or reaction reagent in organic synthetic chemistry.In some specific chemical reactions,Copper monosulfide can help form the desired products,especially in the sulfidation reactions of aromatic hydrocarbons.It can serve as an important reaction catalyst or participate in the formation of specific organic sulfides.
In summary,Copper(II)Sulfide not only plays a key role in traditional metallurgical industries but also shows unique application values in electronics,catalysis,energy storage,agriculture,environmental protection,and other fields.With the development of technology and in-depth research on its properties,the application range of Copper monosulfide is expected to further expand,becoming an indispensable material in various industries.
Safety Precautions of Copper(Ii) Sulfide
Copper(II)Sulfide(CuS)possesses certain toxicities,especially at high concentrations,and can potentially cause the following types of harm to the environment and living organisms:
1.Impacts on Human Health:
• Copper(II)Sulfide can cause systemic copper poisoning,with symptoms including capillary damage,headaches,cold sweats,weak pulse,and liver and kidney damage.
• The central nervous system may initially become excited and then inhibited,leading to jaundice,convulsions,paralysis,and coma,which can be fatal in severe cases.
• Chronic copper poisoning may lead to liver cirrhosis,brain damage and demyelination,kidney damage,and copper deposition in the cornea can cause Wilson’s disease.
• Copper toxicity can also lead to hemolytic anemia and exacerbate arteriosclerosis.
2.Environmental Impacts:
• Copper ions can enter water bodies,soil,and the atmosphere through both human and natural means,and excessive copper ions can disrupt ecological balance and cause environmental pollution.
• Copper(II)Sulfide slowly oxidizes to copper sulfate in humid air,and this chemical change may affect the chemical composition of the environment.
3. Impacts on Living Organisms:
• Copper ions affect the structure and function of cell membranes and proteins,leading to aging and disease in living organisms.
• Copper ions are essential trace elements required for life within a certain range,but in excess,they can be toxic to living organisms.
4.Ecological Risks:
• The degree of heavy metal pollution and ecological risk in low-grade Copper(II)Sulfide tailings is very low,but copper(Cu)is the main pollutant in tailings,and its impact on the environment and ecology needs attention.
5.Impacts on Microorganisms:
• Copper ions are inhibitors of microbial activity at relatively low concentrations,especially in wastewater treatment systems,where copper ions can inhibit key microbial populations,affecting their ability to remove organic components and nutrients.
In summary,the toxicity of Copper(II)Sulfide and its potential harm to the environment and living organisms require attention.Appropriate management and control measures should be taken in industrial applications and waste management to reduce its impact on the environment and living organisms.
- Certificate Of Analysis (COA)
- Material Safety Data Sheet (MSDS)
- Route of synthesis (ROS)
- Method of Aanlysis (MOA)
- Nuclear Magnetic Resonance (NMR)
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