2-Naphthol, or β-naphthol, is a fluorescent colorless (or occasionally yellow) crystalline solid with the formula C10H7OH. It is an isomer of 1-naphthol...

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, or α-naphthol, is a organic compound with the formula C10H7OH. It is a fluorescent white solid. 1-Naphthol differs from its isomer 2-naphthol...

Naphthol may refer to: 1-Naphthol 2-Naphthol This set index article lists chemical compounds articles associated with the same name. If an internal link...

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...

1,1′-Bi-2-naphthol (BINOL) is an organic compound that is often used as a ligand for transition-metal catalysed asymmetric synthesis. BINOL has axial...

which condenses with two molecules of a phenol (usually α-naphthol, though other phenols such as resorcinol and thymol also give colored products), resulting...

β-Naphthol methyl ether, also called 2-methoxynaphthalene or yara yara, is a stabilizer found in gunpowder, particularly smokeless gunpowders. It is soluble...

which is called coupling agent), serves as a nucleophile. Classical coupling agents are phenols and naphthols. Usually the diazonium reagent attacks at...

Naphthol yellow S is an organic compound that is a dye. It is a derivative of 1-naphthol. At one time it was a popular food colorant but it was delisted...

also 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...

The second step involves adding the solution of the diazonium salt to 2-naphthol, to produce the diazo dye. Sudan I is prone to photodegradation when exposed...

Naphthol Red (Pigment red 170 or PR170) is an organic pigment extensively used in automotive coatings and painting. It is produced synthetically by converting...

methylamine reacting with phosgene to form MIC, which was in turn reacted with 1-naphthol to form the final product, carbaryl. Another manufacturer, Bayer, also...

most studied for applications as an indicator and a dye. 1-Nitroso-2-naphthol can be prepared by treatment of 2-naphthol with nitrous acid: C10H7OH + HNO2...

As a veterinary drug, it is known as carbaril (INN). Carbaryl is often inexpensively produced by direct reaction of methyl isocyanate with 1-naphthol...

useful. Naphthalenesulfonic acids are used in the synthesis of 1-naphthol and 2-naphthol, precursors for various dyestuffs, pigments, rubber processing...

Naphthol Green B is a coordination complex of iron that is used as a dye. The ligand is a sulfonated derivative of 1-nitroso-2-naphthol. Naphthol Green...

rise to a stereoisomer. For instance, the C2-symmetric species 1,1′-bi-2-naphthol (BINOL) and 1,3-dichloroallene have stereogenic axes and exhibit axial...

1'-bi-2-naphthol. The substituted derivatives of amphetamine, or "substituted amphetamines", are a broad range of chemicals that contain amphetamine as a "backbone";...

hybridization). Hydrogenation of arenes create saturated rings. The compound 1-naphthol is completely reduced to a mixture of decalin-ol isomers. The compound...

as precursors to dyes. Owing to the carcinogenicity of the amine, these derivatives are mainly prepared by amination of the corresponding naphthols....

4-Amino-2-methyl-1-naphthol is a menadione analog. Its water-soluble hydrochloride (HCl) salt is often called vitamin K5. The HCl salt has been used as a medicine...

and 2-naphthol. Instead of crystallising, it vitrifies when cooled or salted out of the solution. This compound is used in the textile industry as a dye...

additional hydroxy groups (see resorcinol) (b) annulation as in the formation of naphthols, and (c) deprotonation to give the phenolate. Phenoxides are...

broth. Alpha-naphthol acts as a color enhancer, but the color change to red can occur without it. Procedure: First, add the alpha-naphthol; then, add the...

reaction (+/−)-5-[(tert-butylamino)-2'-hydroxypropoxy]-1,2,3,4-tetrahydro-1- naphthol + NADP+ ⇌ {\displaystyle \rightleftharpoons } (+/−)-5-[(tert-butylamin...

Organization's List of Essential Medicines. In the United States, it is available as a generic medication. In 2022, it was the 24th most commonly prescribed medication...

needed] Naproxen has been industrially produced by Syntex starting from 2-naphthol as follows: Naproxen and naproxen sodium are marketed under various brand...

naphthalene. Fusion with sodium hydroxide followed by acidification gives 1-naphthol. Further sulfonation gives 1,5-naphthalene-disulfonic acid. Reduction with...