Triphosgene

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Notion

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Science and technology

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What Wikipedia says

Triphosgene (bis(trichloromethyl) carbonate (BTC)) is a chemical compound with the formula OC(OCCl3)2. It is used as a solid substitute for phosgene, which is a gas and diphosgene, which is a liquid. Triphosgene is stable up to 200 °C. Triphosgene is used in a variety of halogenation reactions.

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

Image: Jynto (talk), CC0, via Wikimedia Commons.