Ammonium ferric citrate

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Notion

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Science and technology

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What Wikipedia says

Ammonium ferric citrate (also known as ferric ammonium citrate or ammoniacal ferrous citrate) has the formula [NH4]{y}[Fe{x}(C6H4O7)]. The iron in this compound is trivalent. All three carboxyl groups and the central hydroxyl group of citric acid are deprotonated.

Excerpt from the Wikipedia article “Ammonium ferric citrate”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: W. Oelen, CC BY-SA 3.0, via Wikimedia Commons.