Piroctone olamine

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Piroctone olamine (INN; also known as piroctone ethanolamine) is an organic compound used as an antimicrobial active in anti-dandruff and anti-seborrhoeic dermatitis scalp products. It is the ethanolamine salt of piroctone, a hydroxamic acid derivative. It is described as a white to slightly yellowish-white crystalline powder with a mild characteristic odour, very slightly soluble in water and freely soluble in ethanol, chloroform, and ether. It has been marketed by Clariant under the trade name Octopirox. According to later published sources, piroctone olamine was first synthesized in 1979 by Schwarzkopf-Henkel in Germany.

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