Hexabromocyclododecane

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Science and technology

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What Wikipedia says

Hexabromocyclododecane (HBCD or HBCDD) is a brominated flame retardant. It consists of twelve carbon, eighteen hydrogen, and six bromine atoms tied to the ring. Its primary application is in extruded (XPS) and expanded (EPS) polystyrene foam used as thermal insulation in construction.

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

Image: Leyo, Public domain, via Wikimedia Commons.