naphthol 的定义
Chemistry.
- either of two isomeric hydroxyl derivatives, C10H7OH, of naphthalene , white or yellowish crystals, with a phenolic odor, that darken on exposure to light: used chiefly in dyes, drugs, perfumes, and insecticides.
更多naphthol例句
- The substance has the characteristic appearance, odor and taste of naphthol.
- This was observed when 6-amino-2-phenylbenzoselenazole was diazotized and coupled with B-naphthol, salicylic acid, etc.
- The compounds formed are brilliant orange dyes, the latter being still largely consumed as “naphthol orange.”
- Their discovery not only increased the consumption of beta-naphthol, but also that of the bases which were used for diazotising.
- It is an amido-derivative of a sulpho-acid of beta-naphthol, so that naphthalene is the generating hydrocarbon of this substance.