Certificate of Analysis

Product Name COPPER (II) OXIDE black 98% Extra Pure (powder)
CAS Number 1317-38-0
Molecular Formula CuO
Catalogue No. AL00551
Molecular Weight 79.55 g/mol
Batch Number AL-2026-AL00551
Manufacturing Date September-2026
Expire Date September-2031
Type of Test Standard Observed
Assay ≥ 98% 98.5%
Moisture Content ≤ 0.5% 0.3%
Residue on Ignition ≤ 1% 0.2%
Related Substances None detected None detected
Solubility Insoluble in water Insoluble in water
Result: The above product is expected to comply with 98% Extra Pure grade specification.

Tested By

Hitesh Kunjathur Tested By Stamp

Analysed By

Preeti Rane Analysed By Stamp
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