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Copper oxide

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Name

Copper oxide

EINECS 215-706-6
CAS No. 1344-70-3 Density N/A
PSA 0.00000 LogP -0.12130
Solubility insoluble Melting Point 1326 °C
Formula CuO Boiling Point N/A
Molecular Weight 79.55 Flash Point N/A
Transport Information N/A Appearance Black fine free powder
Safety Risk Codes 22
Molecular Structure Molecular Structure of 1344-70-3 (COPPER(II) OXIDE) Hazard Symbols HarmfulXn
Synonyms

CB 250;Copper oxide (CuOx);Perfect Copper;

 

Copper oxide Chemical Properties

Structure of Copper oxide (CAS NO.1344-70-3):

Empirical Formula: CuO
Molecular Weight: 79.5454
Nominal Mass: 79 Da
Average Mass: 79.5454 Da
Monoisotopic Mass: 78.924516 Da
Melting point: 1326 °C
Appearance: Powder
IUPAC Name: Copper oxygen(2-)
Canonical SMILES: [O-2].[Cu+2]
InChI: InChI=1S/Cu.O/q+2;-2
InChIKey: KKCXRELNMOYFLS-UHFFFAOYSA-N

Copper oxide Uses

  Copper oxide (CAS NO.1344-70-3) is used as a pigment in ceramics to produce blue, red, and green (and sometimes gray, pink, or black) glazes, and also can be used to produce cuprammonium hydroxide solutions, and make rayon. It is occasionally used as a dietary supplement in animals, against copper deficiency, and can be used to safely dispose of hazardous materials.

Copper oxide Production

 Copper oxide (CAS NO.1344-70-3) can be formed by heating copper in air: 2 Cu + O2 → 2 CuO , but it is better prepared by heating copper(II) nitrate , copper(II) hydroxide or copper(II) carbonate : 2 Cu(NO3)2 → 2 CuO + 4 NO2 + O2 ; Cu(OH)2 (s) → CuO (s) + H2O (l)  ; CuCO3 → CuO + CO2 .

Copper oxide Safety Profile

Hazard Codes: HarmfulXn
Risk Statements: 22 
S22:Do not breathe dust.

Copper oxide Specification

 Copper oxide , its cas register number is 1344-70-3 , but always using 1317-38-0 . It also can be called CB 250 ; and Black copper oxide . It is hazardous, so the first aid measures and others should be known. Such as: When on the skin: first, should flush skin with plenty of water immediately for at least 15 minutes while removing contaminated clothing. Secondly, get medical aid. Or in the eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Then get medical aid soon. While, it's inhaled: Remove from exposure and move to fresh air immediately. Give artificial respiration while not breathing. When breathing is difficult, give oxygen. And as soon as to get medical aid. Then you have the ingesting of the product: Wash mouth out with water, and get medical aid immediately.
In addition, Copper oxide (CAS NO.1344-70-3) could be stable under normal temperatures and pressures. It is not compatible with strong oxidizing agents, reducing agents, alkali metals, aluminum, finely powdered metals, acetylene, azides, hydrazine derivatives, and you must not take it with incompatible materials. And also prevent it to broken down into hazardous decomposition products: Carbon monoxide, carbon dioxide, oxides of copper, copper fumes.
As a mineral, it is known as tenorite. It is an irritant, and could cause damage to the endocrine and central nervous system.

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