チオシアン酸銅(I) 化學(xué)特性,用途語,生産方法
外観
白色～うすい褐色, 粉末
溶解性
水に殆ど不溶 (4.4×10^(-4)g/100ml, 18℃)。エーテルに可溶。アンモニア水に溶け、水にほとんど溶けない。
化學(xué)的特性
Copper(I) thiocyanate, CuSCN, [1111-67-7], MW 121.62, is a white powder when pure, but often the material of commerce is yellow. It is soluble in ammonia solution, alkali thiocyanate solutions, and diethyl ether, but it is only slightly soluble in water and dilute mineral acids. It is stable in air in the absence of moisture, but it slowly decomposes in the presence of moisture in air. It is used as an antifouling pigment.
使用
In marine antifouling paints; in primer compositions for explosives industry.
製造方法
Copper(I) thiocyanate is prepared by the reaction of alkali metal thiocyanates with copper(I) chloride at 8090°C or by the reaction of copper(II) sulfate solutions with alkali metal thiocyanate in the presence of sulfite. It can also be prepared by precipitation from copper(II) salt solutions with hydrogen thiocyanate.
一般的な説明
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職業(yè)ばく露
Used as a microbiocide and algaecide in antifouling paints. Used as a laboratory chemical and for making other chemicals. Some formulations may be designated Restricted Use Pesticide (RUP).
輸送方法
UN3439 Nitriles, solid, toxic, n.o.s., Hazard Class: 6.1; Labels: 6.1-Poisonous materials, Technical Name Required
Structure and conformation
At least two polymorphs of cuprous thiocyanate have been characterized by X-ray crystallography. They both feature
copper(I) in a characteristic tetrahedral coordination geometry. The
sulfur end of the SCN- ligand is triply bridging so that the coordination sphere for copper is CuS3N.
不和合性
Incompatible with oxidizers (chlorates, nitrates, peroxides, permanganates, perchlorates, chlorine, bromine, fluorine, etc.); contact may cause fires or explosions. Keep away from alkaline materials, strong bases, strong acids, oxoacids, epoxides
廃棄物の処理
Copper-containing soluble wastes can be concentrated through the use of ion exchange, reverse osmosis, or evaporators to the point where copper can be electrolytically removed and sent to a reclaiming firm. If recovery is not feasible, the copper can be precipitated through the use of caustics and the sludge deposited in a chemical waste landfill. Copper-containing wastes can be concentrated to the point where copper can be electrolytically removed and reclaimed. If recovery is not feasible, the copper can be precipitated by alkali; the cyanide destroyed by alkaline oxidation yielding a sludge which can be sent to a chemical waste landfill. In accordance with 40CFR165, follow recommendations for the disposal of pesticides and pesticide containers. Must be disposed properly by following package label directions or by contacting your local or federal environmental control agency, or by contacting your regional EPA office
チオシアン酸銅(I) 上流と下流の製品情報
原材料
準(zhǔn)備製品