Cupric oxide manufacturers and suppliers

Cupric oxide suppliers

Properties

Melting point:: 1326 °C

Density: 6.315

refractive index: 2.63

storage temp.: no restrictions.

solubility: Aqueous Acid (Slightly), Methanol (Slightly)

form: powder

color: Brown to black

Specific Gravity: 6.3-6.49

PH: 7 (50g/l, H2O, 20℃)(slurry)

Odor: at 100.00?%. odorless

Water Solubility: insoluble

Merck: 14,2646

Dielectric constant: 18.1（Ambient）

Exposure limits: ACGIH: TWA 1 mg/m3
NIOSH: IDLH 100 mg/m3; TWA 0.1 mg/m3; TWA 1 mg/m3

Stability:: Stable. Incompatible with reducing agents, hydrogen sulfide, aluminium, alkali metals, finely powdered metals.

Safety Information

Symbol(GHS): GHS09

Signal word: Warning

Hazard statements: H410

Precautionary statements: P273-P391-P501

Hazard Codes: Xn,Xi,N

Risk Statements: 22-37-50

Safety Statements: 22-36-61-60-29

RIDADR: UN 3077 9 / PGIII

WGK Germany: 1

RTECS: GL7900000

TSCA: Yes

HazardClass: 9

HS Code: 28255000

Toxicity: LD50 orally in Rabbit: 470 mg/kg

IDLA: 100 mg Cu/m3

Use

Copper(II) oxide is used as pigments for coloring glass, ceramics, porcelain and artificial gems; in batteries and electrodes; in antifouling paints; in electroplating; in welding fluxes for bronze; in the production of rayons; for removal of sulfur from oils; in phosphor mixtures; for polishing optical glass; and as a catalyst. It also is used to prepare various copper compounds. Copper(II) oxide is found in nature as the minerals tenorite and paramelaconite. They differ in crystalline structure: tenorite exists as triclinic crystals while paramelaconite consists of tetrahedral cubic crystals.

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