Cacodylic acid

Rarity: Uncommon

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Notion

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Science and technology

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What Wikipedia says

Cacodylic acid is an organoarsenic compound with the formula (CH3)2AsO2H. With the formula R2As(O)OH, it is the simplest of the arsinic acids. It is a colorless solid that is soluble in water.

Excerpt from the Wikipedia article “Cacodylic acid”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Master Uegly, Public domain, via Wikimedia Commons.