From Wikipedia, the free encyclopedia
Parafino esas hidrokarbido, reziduo de la distilado di petrolo. Ol esas substanco grasa, blanka, kristalatra, uzebla por lumifo, kun generala formulizo CnH2n+2.
Ordinare, parafino esas solida substanco qua komencas fuzar pos 37ºC. La maxim pezoza parafini, havanta kemiala formulo C20H42 til C40H82, esas solida. La nomo "parafino" originas de latina vorti parum ("preske") + affinis ("sen reaktiveso").
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