Ceramic Capacitors FAQQDo the ceramic capacitors contain inorganic phosphorus such as red phosphorus? Or, do they use red phosphorus fire retardants?

The ceramic capacitors (MLCC and lead type) do not contain inorganic phosphorus such as red phosphorus, yellow phosphorus, white phosphorus, black phosphorus, and purple phosphorus. (Red phosphorus fire retardants are also not used.)
* Red phosphorus, yellow phosphorus, white phosphorus, black phosphorus, and purple phosphorus are inorganic phosphorus (composed of phosphorus alone) and allotropes.

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Murata and the Environment Product Regulation Program for Environmentally Hazardous Substances in Products (excerpt)