Definition of Naphthols. Meaning of Naphthols. Synonyms of Naphthols

Here you will find one or more explanations in English for the word Naphthols. Also in the bottom left of the page several parts of wikipedia pages related to the word Naphthols and, of course, Naphthols synonyms and on the right images related to the word Naphthols.

Definition of Naphthols

Naphthol
Naphthol Naph"thol, n. [Naphthalene + -ol.] (Chem.) Any one of a series of hydroxyl derivatives of naphthalene, analogous to phenol. In general they are crystalline substances with a phenol (carbolic) odor. Naphthol blue, Naphthol orange, Naphthol yellow (Chem.), brilliant dyestuffs produced from certain complex nitrogenous derivatives of naphthol or naphthoquinone.

Meaning of Naphthols from wikipedia

- Naphthol may refer to: 1-Naphthol 2-Naphthol This set index article lists chemical compounds articles ****ociated with the same name. If an internal link...
- 1-Naphthol differs from its isomer 2-naphthol by the location of the hydroxyl group on the naphthalene ring. The naphthols are naphthalene homologues of phenol...
- C10H7OH. It is an isomer of 1-naphthol, differing by the location of the hydroxyl group on the naphthalene ring. The naphthols are naphthalene homologues...
- Naphthols are po****r coupling agents. One example is the synthesis of the dye "organol brown" from aniline and 1-naphthol: Similarly, β-naphthol couples...
- para-nitroaniline at ice-cold temperatures, followed by coupling with β-naphthol: Para red is not approved for use in food in any jurisdiction. In 2005...
- these derivatives are mainly prepared by amination of the corresponding naphthols. Of them, the δ-acid and Bronner's acid are of more value technically...
- Naphthol AS is an organic compound with the formula C10H6(OH)C(O)NHC6H5. It is the anilide of 3-hydroxy-2-carboxynaphthalene. Many analogous compounds...
- carbazole synthesis is a chemical reaction used to synthesize carbazoles from naphthols and aryl hydrazines using sodium bisulfite. The reaction is named after...
- an aldehyde, which condenses with two molecules of a phenol (usually α-naphthol, though other phenols such as resorcinol and thymol also give colored products)...
- Naphthol Red (Pigment red 170 or PR170) is an organic pigment extensively used in automotive coatings and painting. It is produced synthetically by converting...