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Copper(II) sulfate, pentahydrate can be added with potassium permanganate to give an oxidant for the conversion of primary alcohols. It is used to etch zinc or copper plates for intaglio printmaking and as a mordant in vegetable dyeing. In analytical chemistry, it is used in Fehling's solution and Benedict's solution to test for reducing sugars. Also, used to test protein in Biuret test.
Ford, D. D.; Lenahan, S.; Jorgensen, M.; Dube, P.; Delude, M.; Concannon, P. E.; Anderson, S. R.; Oyler, K. D.; Cheng, G.; Mehta, N.; Salan, J. S. Development of a Lean Process to the Lead-Free Primary Explosive DBX-1. Org. Process Res. Dev. 2015, 19 (6), 673-680.
Golf, H. R. A.; Reissig, H.; Wiehe, A. Synthesis of SF5-Substituted Tetrapyrroles, Metalloporphyrins, BODIPYs, and Their Dipyrrane Precursors. J. Org. Chem. 2015, 80 (10), 5133-5143.
Gefahrenhinweise (EU): H301-H315-H319
Toxic if swallowed. Causes skin irritation. Causes serious eye irritation.
Do not breathe dust/fume/gas/mist/vapours/spray. Avoid release to the environment. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.