CAS 7440-50-8 Copper gauze, 140 mesh woven from 0.056mm (0.0022in) dia wire

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Copper gauze, 140 mesh woven from 0.056mm (0.0022in) dia wire

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Catalog Number

ACM7440508-17

CAS Number

7440-50-8

Product Name

Copper gauze, 140 mesh woven from 0.056mm (0.0022in) dia wire

Structure

Category

Metal

Description

Reddish lustrous malleable odorless metallic solid.;DryPowder; DryPowder, OtherSolid; DryPowder, PelletsLargeCrystals, WetSolid; DryPowder, WetSolid; Liquid; OtherSolid; OtherSolid, Liquid; PelletsLargeCrystals; PelletsLargeCrystals, OtherSolid;SOLID IN VARIOUS FORMS. TURNS GREEN ON EXPOSURE TO MOIST AIR.;Reddish, lustrous, malleable, odorless solid.;Reddish, lustrous, malleable, odorless solid.

IUPAC Name

copper

Molecular Weight

63.55g/mol

Molecular Formula

Canonical SMILES

[Cu]

InChI

InChI=1S/Cu

InChI Key

RYGMFSIKBFXOCR-UHFFFAOYSA-N

Boiling Point

4703 °F at 760 mm Hg (NIOSH, 2016);2595 °C;2595 °C;4703°F;4703°F

Melting Point

1981 °F (NIOSH, 2016);1083 °C;1083 °C;1981°F;1981°F

Density

8.94 (NIOSH, 2016);8.94;Relative density (water = 1): 8.9;8.94;8.94

Solubility

Insoluble (NIOSH, 2016);8.96g/mL;Slightly sol in dilute acid;Slowly soluble in ammonia water;Solubility in water: none;Insoluble

Application

Copper gauze, woven from 0.056mm diameter wire with a 140 mesh count, serves a dual role as both a practical and versatile material. Harnessing the inherent qualities of copper-a reddish-brown metal notable for its high electrical conductivity, excellent heat transfer, and malleability-this gauze is ideally suited for applications requiring efficient filtering, shielding, and conducting. In environments ranging from industrial to domestic, its finely woven structure allows it to act as an effective barrier against unwanted particles while facilitating the free flow of air or liquid, thereby optimizing operational efficiency. With copper's natural durability and resistance to atmospheric corrosion, products crafted from this gauze are guaranteed longevity and robustness. Whether used in precision engineering processes, crafted electronics, or other domains where intricate wirework is necessitated, copper gauze provides a reliable solution thanks to its unique blend of mechanical strength and flexibility.

Color/Form

Reddish, lustrous, ductile, malleable metal;Red metal; cubic

Complexity

Covalently-Bonded Unit Count

EC Number

231-159-6

Exact Mass

62.929597g/mol

Formal Charge

Heat of Vaporization

1150 cal/g

Heavy Atom Count

ICSC Number

0240

Log P

-0.57 (calculated)

MeSH Entry Terms

Copper;Copper 63;Copper-63

Monoisotopic Mass

62.929597g/mol

Odor

Odorless /Copper dusts and mists/

Other Experimental

Lustrous, ductile, malleable metal; Mohs' hardness: 3.0; specific resistance: 1.673 microohm/cm; heat of fusion: 48.9 cal/g; heat capacity (solid): 0.092 cal/g/deg C at 20 °C, (liq): 0.112 cal/g/deg C; becomes dull when exposed to air; two naturally occurring isotopes: 63 (69.09%), 65 (30.91%); 9 artificial isotopes;Very slowly attacked by cold hydrochloric acid or dil sulfuric acid; readily by dil nitric acid, and by both not conch sulfuric acid and hydrobromic acid. It is also attacked by acetic acid and other organic acids.;COPPER FORMS TWO SERIES OF SALTS, CU(1+) AND CU(2+) BOTH VALENCE TYPES FORM COMPLEX IONS THAT ARE STABLE.;Ductile, excellent conductor of electricity. Complexing agent, coordination numbers 2 and 4. More resistant to atmospheric corrosion than iron, forming green layer of hydrated basic carbonate. Readily attacked by alkalies. Noncombustible, except as powder.;ELECTRONEGATIVITY (PAULING SCALE): 1.90;Dissolved readily in nitric acid and hot concentrated sulfuric acids slowly, but only when exposed to the atmosphere.

Rotatable Bond Count

RTECS Number

GL5325000

Stability

BECOMES DULL WHEN EXPOSED TO AIR. IN MOIST AIR GRADUALLY BECOMES COATED WITH GREEN BASIC CARBONATE.

UNII

789U1901C5

UN Number

3089;3077

Vapor Pressure

0 mm Hg (approx) (NIOSH, 2016);1 mm Hg @ 1628 °C;0 mmHg (approx);0 mmHg (approx)

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