Copper (CAS 7440-50-8) — formula Cu, molecular weight 63.55; category inorganic chemicals.
| CAS Number | 7440-50-8 |
|---|---|
| Molecular Formula | Cu |
| Molecular Weight | 63.55 |
| Melting Point | 1981 °F (NIOSH, 2024) |
| Boiling Point | 4703 °F at 760 mmHg (NIOSH, 2024) |
| Applications | Uses: Copper exposures can occur while working in copper and brass foundries and smelters, while welding or electroplating, and during the production or use of fungicides, ceramics, pyrotechnics, pigments, and analytical reagents. [ACGIH] Copper is an essential element in the human diet, it is necessary for the functioning of several enzymes, [Nordberg, p. 765], Metal Preparation and Pouring [Category: Foundry], Welding [Category: Weld], Electroplating [Category: Plate], Smelting Copper or Lead [Category: Industry], Painting (Pigments, Binders, and Biocides) [Category: Paint], Applying Wood Preservatives [Category: Other], Welding Over Coatings [Category: Weld], Metal Extraction and Refining [Category: Industry], Jewelry making [Category: Hobbies], For Copper (USEPA, OPP Pesticide Code: 022501) ACTIVE products with label matches., SRP: Registered for use in the U.S. but approved pesticide uses may change periodically and so federal, state and local authorities must be consulted for currently approved uses., Electrical wiring, switches, plumbing, heating, roofing and building construction, chemical and pharmaceutical machinery, alloys (brass, bronze, Monel metal, beryllium-copper), electroplated protective coatings and undercoats for nickel, chromium, zinc, etc., cooking utensils, corrosion-resistant piping, insecticides, catalysts, antifouling paints. Flakes used as insulation for liquid fuels. Whiskers used in thermal and electrical composites., In works of art, manufacture of bronzes, brass, other copper alloys, electrical conductors, ammunition, copper salts, In a statistical analyses of the copper, brass and bronze industry, there are five primary markets: (1) building construction (41%), including building wiring, and heating, air conditioning (qv) and commercial refrigeration, builders' hardware, and architectural materials, (2) electrical and electronic products (23%), for example power utilities, telecommunications, business electronics and lighting and wiring devices, (3) industrial machinery and equipment, (14%) such as in-plant equipment, industrial valves and fittings, nonelectrical instruments, off-highway vehicles, and heat exchangers, (4) transportation equipment (12%), including automobiles, trucks and buses, railroads, marine vehicles, aircraft, and aerospace vehicles, and consumer and general products (10%), such as appliances, cord sets, ordnance, consumer electronics, fasteners, coinage, utensils and cutlery, and miscellaneous items., For more Uses (Complete) data for COPPER, ELEMENTAL (10 total), please visit the HSDB record page., Synthetic Polymer MALDI Matrix Compounds, Substance listed with specific concentration in tattoo ink and, or permanent make up according to EU Commission Regulation 2020, 2081. The concentration limit (by weight) is 0.025%., Copper is used as a thermal conductor, an electrical conductor, a building material, and a constituent of various metal alloys such as brass and bronze. Copper compounds have been widely used historically as pigments in decorative art. Copper compounds are also commonly used in agriculture to treat plant diseases like mildew, for water treatment, and as preservatives for wood, leather, and fabrics. (L277, L278), Use Classification: Chemical Classes -> Inorganic substances, Food Contaminant -> METALS -> JECFA Functional Classes, Cosmetics -> Cosmetic colorant, Industry Uses: Not Known or Reasonably Ascertainable, Corrosion inhibitor, Filler, Catalyst, Pigment, Drier, Intermediate, Surface modifier, Magnetic element, Conductive agent, Other, Binder, Lubricating agent, Alloys, Processing aids not otherwise specified, Semiconductor and photovoltaic agent, Plating agent, Abrasives, Heat transferring agent, Consumer Uses: Other, Not Known or Reasonably Ascertainable, Adhesion, cohesion promoter, Household Products: Cosmetics product ingredient: Copper (Bronze powder, Copper powder, CI 77400), Reason for Listing:, - Identified as a priority pollutant in California Water Quality Control Plans under section 303(c) of the federal Clean Water Act and in section 131.38 of title 40 of the Code of Federal Regulations, - Identified as a pollutant by California or the United States Environmental Protection Agency for one or more water bodies in California under section 303(d) of the federal Clean Water Act and section 130.7 of title 40 of the Code of Federal Regulations, - Identified with non-cancer endpoints and listed with an inhalation or oral Reference Exposure Level by the California Office of Environmental Health Hazard Assessment under Health and Safety Code section 44360(b)(2), Potential Health Impacts: Bioaccumulation, Environmental Persistence, and Respiratory Toxicity, Product count: 50, Information on 59 consumer products that contain Copper in the following categories is provided:, • Auto Products, • Commercial, Institutional, • Hobby, Craft, • Home Maintenance, • Inside the Home, • Landscaping, Yard, • Personal Care, • Pesticides, Methods of Manufacturing: CRUSH, GRIND, AND CONCENTRATE COPPER ORES BY FLOTATION (SULFIDE ORES) OR LEACHING WITH ACID (OXIDE ORES), SMELT CONCENTRATES TO YIELD A BLISTER COPPER WHICH IS REFINED ELECTROLYTICALLY OR FIRE REFINED, About 80% of the primary copper in the world comes from low-grade or poor sulfide ores, which are usually treated by pyrometallurgical methods, generally in the following sequence: (1) Beneficiation by froth flotation of ore to copper concentrate, (2) Optional partial roasting to obtain oxidized material or calcines, (3) two-stage pyrometallurgical extraction, (a) smelting concentrates to matte, (b) converting matte by oxidation to crude (converter or blister) copper, (4) Refining the crude copper, usually in two steps, (a) pyrometallurgically to fire-refined copper, (b) electrolytically to high-purity electroly |
| Category | Inorganic Chemicals |
Documented applications: Uses: Copper exposures can occur while working in copper and brass foundries and smelters, while welding or electroplating, and during the production or use of fungicides, ceramics, pyrotechnics, pigments, and analytical reagents. [ACGIH] Copper is an essential element in the human diet, it is necessary for the functioning of several enzymes, [Nordberg, p. 765], Metal Preparation and Pouring [Category: Foundry], Welding [Category: Weld], Electroplating [Category: Plate], Smelting Copper or Lead [Category: Industry], Painting (Pigments, Binders, and Biocides) [Category: Paint], Applying Wood Preservatives [Category: Other], Welding Over Coatings [Category: Weld], Metal Extraction and Refining [Category: Industry], Jewelry making [Category: Hobbies], For Copper (USEPA, OPP Pesticide Code: 022501) ACTIVE products with label matches., SRP: Registered for use in the U.S. but approved pesticide uses may change periodically and so federal, state and local authorities must be consulted for currently approved uses., Electrical wiring, switches, plumbing, heating, roofing and building construction, chemical and pharmaceutical machinery, alloys (brass, bronze, Monel metal, beryllium-copper), electroplated protective coatings and undercoats for nickel, chromium, zinc, etc., cooking utensils, corrosion-resistant piping, insecticides, catalysts, antifouling paints. Flakes used as insulation for liquid fuels. Whiskers used in thermal and electrical composites., In works of art, manufacture of bronzes, brass, other copper alloys, electrical conductors, ammunition, copper salts, In a statistical analyses of the copper, brass and bronze industry, there are five primary markets: (1) building construction (41%), including building wiring, and heating, air conditioning (qv) and commercial refrigeration, builders' hardware, and architectural materials, (2) electrical and electronic products (23%), for example power utilities, telecommunications, business electronics and lighting and wiring devices, (3) industrial machinery and equipment, (14%) such as in-plant equipment, industrial valves and fittings, nonelectrical instruments, off-highway vehicles, and heat exchangers, (4) transportation equipment (12%), including automobiles, trucks and buses, railroads, marine vehicles, aircraft, and aerospace vehicles, and consumer and general products (10%), such as appliances, cord sets, ordnance, consumer electronics, fasteners, coinage, utensils and cutlery, and miscellaneous items., For more Uses (Complete) data for COPPER, ELEMENTAL (10 total), please visit the HSDB record page., Synthetic Polymer MALDI Matrix Compounds, Substance listed with specific concentration in tattoo ink and, or permanent make up according to EU Commission Regulation 2020, 2081. The concentration limit (by weight) is 0.025%., Copper is used as a thermal conductor, an electrical conductor, a building material, and a constituent of various metal alloys such as brass and bronze. Copper compounds have been widely used historically as pigments in decorative art. Copper compounds are also commonly used in agriculture to treat plant diseases like mildew, for water treatment, and as preservatives for wood, leather, and fabrics. (L277, L278), Use Classification: Chemical Classes -> Inorganic substances, Food Contaminant -> METALS -> JECFA Functional Classes, Cosmetics -> Cosmetic colorant, Industry Uses: Not Known or Reasonably Ascertainable, Corrosion inhibitor, Filler, Catalyst, Pigment, Drier, Intermediate, Surface modifier, Magnetic element, Conductive agent, Other, Binder, Lubricating agent, Alloys, Processing aids not otherwise specified, Semiconductor and photovoltaic agent, Plating agent, Abrasives, Heat transferring agent, Consumer Uses: Other, Not Known or Reasonably Ascertainable, Adhesion, cohesion promoter, Household Products: Cosmetics product ingredient: Copper (Bronze powder, Copper powder, CI 77400), Reason for Listing:, - Identified as a priority pollutant in California Water Quality Control Plans under section 303(c) of the federal Clean Water Act and in section 131.38 of title 40 of the Code of Federal Regulations, - Identified as a pollutant by California or the United States Environmental Protection Agency for one or more water bodies in California under section 303(d) of the federal Clean Water Act and section 130.7 of title 40 of the Code of Federal Regulations, - Identified with non-cancer endpoints and listed with an inhalation or oral Reference Exposure Level by the California Office of Environmental Health Hazard Assessment under Health and Safety Code section 44360(b)(2), Potential Health Impacts: Bioaccumulation, Environmental Persistence, and Respiratory Toxicity, Product count: 50, Information on 59 consumer products that contain Copper in the following categories is provided:, • Auto Products, • Commercial, Institutional, • Hobby, Craft, • Home Maintenance, • Inside the Home, • Landscaping, Yard, • Personal Care, • Pesticides, Methods of Manufacturing: CRUSH, GRIND, AND CONCENTRATE COPPER ORES BY FLOTATION (SULFIDE ORES) OR LEACHING WITH ACID (OXIDE ORES), SMELT CONCENTRATES TO YIELD A BLISTER COPPER WHICH IS REFINED ELECTROLYTICALLY OR FIRE REFINED, About 80% of the primary copper in the world comes from low-grade or poor sulfide ores, which are usually treated by pyrometallurgical methods, generally in the following sequence: (1) Beneficiation by froth flotation of ore to copper concentrate, (2) Optional partial roasting to obtain oxidized material or calcines, (3) two-stage pyrometallurgical extraction, (a) smelting concentrates to matte, (b) converting matte by oxidation to crude (converter or blister) copper, (4) Refining the crude copper, usually in two steps, (a) pyrometallurgically to fire-refined copper, (b) electrolytically to high-purity electroly.
Copper is an inorganic compound with CAS registry number 7440-50-8 and molecular formula Cu (molecular weight 63.55), belonging to the inorganic chemicals segment of chemical raw materials.
CAS number: 7440-50-8
Its molecular formula Cu comprises 1 Cu atom.
Also known as: Copper · 纳米铜 纳米铜粉
Category: inorganic chemicals
The CAS registry number of Copper is 7440-50-8.
Molecular formula Cu, molecular weight 63.55.
It is also registered under: Copper, 纳米铜 纳米铜粉.
Recorded applications: Uses: Copper exposures can occur while working in copper and brass foundries and smelters, while welding or electroplating, and during the production or use of fungicides, ceramics, pyrotechnics, pigments, and analytical reagents. [ACGIH] Copper is an essential element in the human diet, it is necessary for the functioning of several enzymes, [Nordberg, p. 765], Metal Preparation and Pouring [Category: Foundry], Welding [Category: Weld], Electroplating [Category: Plate], Smelting Copper or Lead [Category: Industry], Painting (Pigments, Binders, and Biocides) [Category: Paint], Applying Wood Preservatives [Category: Other], Welding Over Coatings [Category: Weld], Metal Extraction and Refining [Category: Industry], Jewelry making [Category: Hobbies], For Copper (USEPA, OPP Pesticide Code: 022501) ACTIVE products with label matches., SRP: Registered for use in the U.S. but approved pesticide uses may change periodically and so federal, state and local authorities must be consulted for currently approved uses., Electrical wiring, switches, plumbing, heating, roofing and building construction, chemical and pharmaceutical machinery, alloys (brass, bronze, Monel metal, beryllium-copper), electroplated protective coatings and undercoats for nickel, chromium, zinc, etc., cooking utensils, corrosion-resistant piping, insecticides, catalysts, antifouling paints. Flakes used as insulation for liquid fuels. Whiskers used in thermal and electrical composites., In works of art, manufacture of bronzes, brass, other copper alloys, electrical conductors, ammunition, copper salts, In a statistical analyses of the copper, brass and bronze industry, there are five primary markets: (1) building construction (41%), including building wiring, and heating, air conditioning (qv) and commercial refrigeration, builders' hardware, and architectural materials, (2) electrical and electronic products (23%), for example power utilities, telecommunications, business electronics and lighting and wiring devices, (3) industrial machinery and equipment, (14%) such as in-plant equipment, industrial valves and fittings, nonelectrical instruments, off-highway vehicles, and heat exchangers, (4) transportation equipment (12%), including automobiles, trucks and buses, railroads, marine vehicles, aircraft, and aerospace vehicles, and consumer and general products (10%), such as appliances, cord sets, ordnance, consumer electronics, fasteners, coinage, utensils and cutlery, and miscellaneous items., For more Uses (Complete) data for COPPER, ELEMENTAL (10 total), please visit the HSDB record page., Synthetic Polymer MALDI Matrix Compounds, Substance listed with specific concentration in tattoo ink and, or permanent make up according to EU Commission Regulation 2020, 2081. The concentration limit (by weight) is 0.025%., Copper is used as a thermal conductor, an electrical conductor, a building material, and a constituent of various metal alloys such as brass and bronze. Copper compounds have been widely used historically as pigments in decorative art. Copper compounds are also commonly used in agriculture to treat plant diseases like mildew, for water treatment, and as preservatives for wood, leather, and fabrics. (L277, L278), Use Classification: Chemical Classes -> Inorganic substances, Food Contaminant -> METALS -> JECFA Functional Classes, Cosmetics -> Cosmetic colorant, Industry Uses: Not Known or Reasonably Ascertainable, Corrosion inhibitor, Filler, Catalyst, Pigment, Drier, Intermediate, Surface modifier, Magnetic element, Conductive agent, Other, Binder, Lubricating agent, Alloys, Processing aids not otherwise specified, Semiconductor and photovoltaic agent, Plating agent, Abrasives, Heat transferring agent, Consumer Uses: Other, Not Known or Reasonably Ascertainable, Adhesion, cohesion promoter, Household Products: Cosmetics product ingredient: Copper (Bronze powder, Copper powder, CI 77400), Reason for Listing:, - Identified as a priority pollutant in California Water Quality Control Plans under section 303(c) of the federal Clean Water Act and in section 131.38 of title 40 of the Code of Federal Regulations, - Identified as a pollutant by California or the United States Environmental Protection Agency for one or more water bodies in California under section 303(d) of the federal Clean Water Act and section 130.7 of title 40 of the Code of Federal Regulations, - Identified with non-cancer endpoints and listed with an inhalation or oral Reference Exposure Level by the California Office of Environmental Health Hazard Assessment under Health and Safety Code section 44360(b)(2), Potential Health Impacts: Bioaccumulation, Environmental Persistence, and Respiratory Toxicity, Product count: 50, Information on 59 consumer products that contain Copper in the following categories is provided:, • Auto Products, • Commercial, Institutional, • Hobby, Craft, • Home Maintenance, • Inside the Home, • Landscaping, Yard, • Personal Care, • Pesticides, Methods of Manufacturing: CRUSH, GRIND, AND CONCENTRATE COPPER ORES BY FLOTATION (SULFIDE ORES) OR LEACHING WITH ACID (OXIDE ORES), SMELT CONCENTRATES TO YIELD A BLISTER COPPER WHICH IS REFINED ELECTROLYTICALLY OR FIRE REFINED, About 80% of the primary copper in the world comes from low-grade or poor sulfide ores, which are usually treated by pyrometallurgical methods, generally in the following sequence: (1) Beneficiation by froth flotation of ore to copper concentrate, (2) Optional partial roasting to obtain oxidized material or calcines, (3) two-stage pyrometallurgical extraction, (a) smelting concentrates to matte, (b) converting matte by oxidation to crude (converter or blister) copper, (4) Refining the crude copper, usually in two steps, (a) pyrometallurgically to fire-refined copper, (b) electrolytically to high-purity electroly.
Category: Inorganic Chemicals.
Independent reference data for Copper (CAS 7440-50-8), compiled from public chemistry databases.
| CAS 号 | 7440-50-8 |
|---|---|
| PubChem CID | 23978 |
| 分子式 | Cu |
| IUPAC 名称 | copper |
| UNII（FDA） | 789U1901C5 |
| Molecular Weight | 63.55 |
|---|---|
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 0 |
| Rotatable Bond Count | 0 |
| Exact Mass | 62.929597 |
| Monoisotopic Mass | 62.929597 |
| Topological Polar Surface Area | 0 |
| Heavy Atom Count | 1 |
| Boiling Point | 4703 °F at 760 mmHg (NIOSH, 2024) |
|---|---|
| Boiling Point | 2597 |
| Boiling Point | 2595 °C |
| Boiling Point | 2562 °C @760 [mm Hg] |
| Boiling Point | 4703 °F |
| Melting Point | 1981 °F (NIOSH, 2024) |
| Melting Point | 1083 |
| Melting Point | 1083 °C |
| Melting Point | 1084.62 °C |
| Melting Point | 1981 °F |
COPPER; 7440-50-8; Copper powder; cuprum; Copper bronze; Bronze powder; Copper, elemental; Tatum-T; Arwood copper; Copper-airborne; Copper-milled; Kafar copper; Paragard T 380a; Raney copper; Gold bronze; Allbri Natural Copper
| 法规与食品接触 | FDA Regulatory Status of Color Additives: Drugs, Cosmetics METALS: Food Contaminant Copper(II) ion 用作聚烯烃食品包装中的抗菌剂，最大含量为 100 mg/m2。该 p Scientific procedures FDA has no questions (in PDF) |
|---|---|
| GHS 通报统计 | 52.5% (1818 / 3463) |
| GHS 通报统计 | 52.5% (1818 / 3463) |
|---|---|
| 已通报的危害声明 | H400, H410, H302 (21.7%), H411 (22.5%), H317, H335, H370, H372 |
纳米铜 纳米铜粉 · CAS 7440-50-8 · Cu. UNII 789U1901C5. Boiling Point: 4703 °F at 760 mmHg (NIOSH, 2024); Boiling Point: 2597; Boiling Point: 2595 °C.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 纳米铜 纳米铜粉