A chemical compound derived from coal tar, used historically as a disinfectant and in the treatment of skin conditions.
From 'china' (coal tar derivative) combined with 'naphthol,' a phenolic compound. The term emerged in late 19th-century chemistry when coal tar products were being systematically analyzed and utilized.
Chinaphthol was one of the first systematically produced antiseptics from coal tar—a byproduct of gas lighting—turning industrial waste into lifesaving medicine.
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