Synonyms: 1,4-Benzoquinol, 1,4-Dihydroxybenzene, 1,4-Phenylenediol, 1,4-p-Benzenediol, 4-Hydroxyphenol, Aida, Arctuvin, BQ(H), Benzohydroquinone, Benzoquinol, Black & White Bleaching Cream, Diak 5, Dihydroquinone, Eldopacque, Eldopaque, Eldopaque Forte, Eldoquin, Eldoquin Forte, HE 5, Hydroquinol, NSC 9247, Phiaquin, Quinol, Solaquin Forte, Solution Q, Tecquinol, Tenox HQ, p-Benzenediol, p-Dihydroquinone, p-Dihydroxybenzene, p-Dioxybenzene, p-Hydroquinone, p-Hydroxyphenol, p-Phenylenediol, p-Quin,Hydroquinone