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...
- in detail. Naphthols are used as coupling agents. One example is the synthesis of the dye organol brown (4) from aniline (1) and 1-naphthol (3): Similarly...
- 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...
- 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...
- 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...
- 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...
- 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...
- synthesis is a chemical reaction used to synthesize carbazoles from 2-naphthols and aryl hydrazines using sodium bisulfite. The reaction is named after...
- known as alpha-naphthol orange, is an azo dye formerly used as a food dye. It is the disodium salt of 1-(m-sulfophenylazo)-2-naphthol-6-sulfonic acid...
- to the organic portion. Many azo dyes, especially those derived from naphthols, form metal complexes by complexation of one of the azo nitrogen centers...