Phenolbụ onyinye nke nwere mgbanaka Benzene na otu hydroxy. Na Chemistry, a na-akọwa mmanya dị ka ogige nke nwere hydroxy otu na yinye hydrocarbon. Ya mere, dabere na nkọwa a, phenol abụghị mmanya.

Agbanyeghị, ọ bụrụ na anyị ele anya na nhazi nke Phenol, anyị nwere ike ịhụ na ọ nwere otu hydroxy. Nke a pụtara na atụmanya nwere ụfọdụ njiri mara mma. Agbanyeghị, ihe owuwu Phenol dị iche na nhazi nke mmanya ndị ọzọ n'ihi na o nwere mgbanaka Benzene. Ihe mgbaaka Benzene na-enye phenol ihe Njirimara na njiri mara nke dị iche na nke mmanya.

Yabụ, dabere na njiri mara nke Phenol na mmanya na-aba n'anya, anyị nwere ike ikwu na Phenol abụghị mmanya. Agbanyeghị, ọ bụrụ na anyị na-elele eziokwu ahụ bụ na phenol nwere otu hydroxyl, mgbe ahụ ọ nwere ụfọdụ njiri mara mmanya. Ya mere, azịza nke ajụjụ a bụ "Fenol bụ mmanya?" enweghị ike ịbụ naanị ee ma ọ bụ mba. Ọ dabere na ihe gbara ya gburugburu na nkọwapụta mmanya anyị na-eji.