Hyderabad
08048036175
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Laboratory Chemicals by MNC CHEMICALS SURGICALS

Cupric oxide black powder extra pure

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08048036175

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Email Address mnc.naveen@gmail.com

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Address Correspondence Address: Shop No. 20, 2nd Floor, Srirama Tower, Bogulkunta, Telangana

Hyderabad, India, 500001

Description

Cupric oxide black powder extra pure is a high-purity form of copper(II) oxide (CuO), typically ≥99% assay, appearing as a fine, stable black amorphous or crystalline powder used in applications requiring minimal impurities.​ Identity and Composition Chemical name: Cupric oxide; Copper(II) oxide.​ Molecular formula: CuO; molecular weight 79.55 g/mol.​ Grade specifications: Extra pure with CuO ≥98–99.99%, low impurities (e.g., Cu₂O ≤3%, Fe/Zn/Pb trace levels).​ Physical Properties Appearance: Black powder (amorphous or monoclinic crystals).​ Density: 6.31–6.315 g/cm³.​ Melting point: 1326 °C; insoluble in water, soluble in acids (HCl, H₂SO₄, HNO₃) and alkaline solutions.​ Typical Uses Extra pure cupric oxide black powder serves as a precursor for copper salts, catalyst, pigment in ceramics/glazes (blue/green colors), in batteries, welding fluxes, gas sensors, semiconductors, and wood preservatives.​ Handling and Safety Stable but acts as an oxidizing agent; reacts with acids/bases/reductants (e.g., H₂, CO, C). Harmful if swallowed/inhaled, skin/eye irritant; avoid dust, store sealed away from combustibles.​ For catalog purposes: “Cupric oxide black powder, extra pure, CuO ≥99%, black amorphous powder, mp 1326 °C, insoluble in water, for catalysts/pigments; oxidizing agent, irritant.”​

Model No. N-CH1673

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