COPPER(I) SULFIDE
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COPPER(I) SULFIDE
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CAS No:
22205-45-4
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Formula:
Cu2S
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Chemical Name:
COPPER(I) SULFIDE
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Synonyms:
Copper(I) Sulphide 99.5%;Copper(I) sulfide anhydrous, powder, 99.99% trace Metals basis;Chalcocite, naturally occurring mineral, grains, approximately 1.5-4.8mm;Copper(I) sulfide, 99.5% trace metals basis;copper(i);COPPER(I) SULFIDE, POWDER, -325 MESH;Chalcocite,naturallyoccurringmineral,grains,approximately,0.06-0.19in;Copper(I)sulfide,99.5%(metalsbasis)
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CAS No:
Description
Cuprous sulfide, with the chemical formula of Cu2S, has a CAS number of [22205-45-4] and a molecular weight of 159.15. This compound exists in nature as the blue or grey mineral chalcocite with a mineral number of [21112-20-9]. It is worth noting that cuprous sulfide, also known as copper mirrorstone, has extremely high stability and does not dissolve in common solvents such as water. However, it can decompose under specific chemical conditions, such as nitric acid and concentrated sulfuric acid. There are many efficient and diverse methods for the preparation of cuprous sulfide. One common method is to heat a mixture of copper and sulfur in a hydrogen atmosphere, allowing the two to react under specific conditions to produce the desired compound. Another method for preparation is through precipitation, in which copper(II) imine salts are introduced to a solution of hydrogen sulfide or alkali thiosulfate to generate the target product.
Black powder or lumps.Soluble in nitric acid and ammonium hydroxide; insoluble in water. Occurs as the mineral chalcocite.
ChEBI: A copper sulfide in which the metal is in the +1 oxidation state.
Copper glance: A mineral form ofcopper(I) sulphide,Cu2S.
Copper sulfide shows metal-like electrical conductivity, chemical-sensing capability and suitable characteristics for absorption of solar energy. Cu63 NMR, X ray photoelectron spectroscopy,2 copper sulfide CuS was studied in detail. Copper sulfide is a monovalent and oxidation state was determined to be 2.2
Characteristics
1
0.64320
Black powder
5.6 g/mL at 25 °C (lit.)
1100°C
Slightly soluble in hydrochloric acid, ammonium hydroxide. Insoluble in water.
Non-combustible; produces toxic copper-containing, sulfur oxide fumes in the fire
Keep in dark place,Inert atmosphere,Room temperature
Safety Information
NONH for all modes of transport
3
20/21/22-40
7-22-36/37/39
GL8910000
Warehouse low temperature, ventilated, dry
P273, P501
20/21/22-40
COPPER(I) SULFIDE Use and Manufacturing
Copper sulfide (I), this compound is prepared by a variety of methods. First, a mixture of copper and sulfur can be heated in an atmosphere of hydrogen, so that copper sulfide (I) can be obtained. Another method is to contact the copper (II) amine salt solution with hydrogen sulfide or alkaline sulfide, which can also promote the formation of copper (I) sulfide. This compound has a wide range of applications in many fields. First of all, it is one of the important components of lubricating oil, which can reduce the friction and wear of mechanical equipment during operation, thereby extending its service life. In addition, copper sulfide (I) is also used in the manufacture of solar cells, because solar cells require some specific compounds to improve their conversion efficiency. At the same time, it is also an important component of semiconductor materials, which is crucial for the modern electronics industry. Copper sulfide (I) is also widely used in glow-in-the dark coatings, because its physical and chemical properties allow it to emit unique fluorescence at night or in low-light environments, thus playing a role in lighting. In the electrode manufacturing of thermal elements, copper sulfide (I) also plays an important role because of its good conductivity and thermal stability. In addition, copper sulfide (I) is a key ingredient in the preparation of CuSO4, a widely used compound that plays an important role in many chemical reactions. In the solid lubricant composition, copper sulfide (I) also plays a key role in providing good lubrication and reducing friction and wear of mechanical equipment. Finally, copper sulfide (I) can also be used as a catalyst to accelerate the rate of certain chemical reactions, thus playing an important role in the chemical industry. In general, copper sulfide (I) is a versatile compound, and its application in many fields cannot be separated from its unique properties.
Copper(I) sulfide is used in luminous paints; antifouling paints; in solidlubricant mixtures; in solar cells; in electrodes; and as a catalyst.The compound occurs in nature as the mineral chalcocite (copper glance) with varying colors.
Antifouling paints, solar cells, electrodes, solid lubricants, luminous paints, catalyst.
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