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Copper

CAS Number
7440-50-8
EC Number
231-159-6
Chemical Formula
Cu
Molecular Weight
63.55 g/mol

Description

Copper (CAS 7440-50-8 ), abbreviated Cu and approved as food colorant E115 , is a base metal supplied in refined elemental form for industrial, agricultural, and chemical processing applications. It functions as a biocide, catalyst, and conductive material across a broad range of manufacturing and treatment processes. In water treatment, copper is used in algaecide and antifouling systems. These systems control microbial growth in cooling towers, reservoirs, and distribution infrastructure. Agriculture relies on copper-based formulations, including fungicides and soil amendments, to manage crop disease. It is also used to correct mineral deficiencies in livestock feed. Electronics and surface finishing industries consume refined copper for electroplating, conductive coatings, and printed circuit board fabrication. In chemical processing, copper serves as a catalyst or catalyst precursor in hydrogenation, oxidation, and organic synthesis reactions. Copper is supplied as cathode sheets, powder, granules, wire, and flakes. Purity grades range from standard technical to high-purity electrolytic (99.99%). Powder grades are available in varying mesh sizes to suit catalyst preparation, pigment blending, or metallurgical applications. Recognized commercial grades include electrolytic tough pitch (ETP) and oxygen-free (OF) copper for electrical and precision uses. This material meets rigorous industrial and chemical specifications. Contact us for supply of Copper Request Quote

Other Names (Synonyms)

Tatum-T | Paragard T 380A | element 29 | CU-7 | 29Cu | Copper powder | cuprum | Bronze powder | Cu | E115

Key Technical Features

  • High Purity Grade standard
  • Consistent Batch Quality
  • Full Regulatory & REACH Support
  • Global Logistics Network enabled

Physical Properties

Melting Point1083 °C
Boiling Point2595 °C
Density8.94 g/cm³
Flash Point-23 °C
AppearanceCopper is a reddish-brown metal which occurs free or in ores, such as malachite, cuprite, and chalcopyrite.
ColorRust-brownish
Formwire
Water Solubilityinsoluble
Vapor Pressure0Pa at 20℃
pH3.2 (20°C in H2O)

Safety & Handling

Warning
GHS09· EnvironmentGHS07· IrritantGHS08· Health Hazard

Hazard Statements

H302Harmful if swallowed
H317May cause an allergic skin reaction
H335May cause respiratory irritation
H370Causes damage to organs
H372Causes damage to organs through prolonged or repeated exposure
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects
H411Toxic to aquatic life with long lasting effects

Precautionary Statements

P260Do not breathe dust/fume/gas/mist/vapours/spray.
P261Avoid breathing dust/fume/gas/mist/vapours/spray.
P264Wash … thoroughly after handling.
P270Do not eat, drink or smoke when using this product.
P271Use only outdoors or in a well-ventilated area.
P272Contaminated work clothing should not be allowed out of the workplace.
P273Avoid release to the environment.
P280Wear protective gloves/protective clothing/eye protection/face protection.
P319Get medical advice/attention if you feel unwell.
P321Specific treatment (see … on this label).
P330Rinse mouth.
P391Collect spillage.
P405Store locked up.
P501Dispose of contents/container in accordance with local regulations.
P317Get emergency medical help.
P352IF ON SKIN: Wash with plenty of water.
P340IF INHALED: Remove person to fresh air and keep comfortable for breathing.
P316Get emergency medical help immediately.
P317Get emergency medical help.
P364Take off contaminated clothing and wash it before reuse.
P233Store in a well-ventilated place. Keep container tightly closed.

Trade & Regulatory

HS Code74081900
UN Number3089
ADR Class4.1
Packing GroupII
WGK (Germany)3