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...
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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...
7 KB (535 words) - 22:05, 13 April 2024
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...
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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...
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1-Nitroso-2-naphthol is an organic compound with the formula C10H6(NO)OH. It is one of several possible nitrosonaphthols, and the most studied for applications...
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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...
132 KB (14,412 words) - 14:41, 3 July 2024
acidification gives 1-naphthol. Further sulfonation gives 1,5-naphthalene-disulfonic acid. Reduction with triphenylphosphine gives 1-naphthalenethiol. Gerald...
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useful. Naphthalenesulfonic acids are used in the synthesis of 1-naphthol and 2-naphthol, precursors for various dyestuffs, pigments, rubber processing...
37 KB (3,382 words) - 03:22, 22 June 2024
application of 1-tetralone is in the synthesis of 1-naphthol by aromatization, e.g. upon contact with platinum catalysts at 200 to 450 °C. 1-Naphthol is the starting...
15 KB (1,516 words) - 10:59, 11 January 2024
permanganate. At 200 °C in sulfuric acid, it converts to 1-naphthol. The sulfonic acid derivatives of 1-naphthylamine are used for the preparation of azo dye...
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Bucherer reaction in organic chemistry is the reversible conversion of a naphthol to a naphthylamine in the presence of ammonia and sodium bisulfite. The...
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Eriochrome Black T (category 1-Naphthols)
name Sodium 1-[1-Hydroxynaphthylazo]-6-nitro-2-naphthol-4-sulfonate Systematic IUPAC name Sodium 4-[2-(1-hydroxynaphthalen-2-yl)hydrazin-1-ylidene]-7-nitro-3-oxo-3...
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Carbaryl (redirect from 1-Naphthyl N-Methyl-carbamate)
isocyanate with 1-naphthol. C10H7OH + CH3NCO → C10H7OC(O)NHCH3 Alternatively, 1-naphthol can be treated with excess phosgene to produce 1-naphthylchloroformate...
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couplers include phenols and naphthols, such as 3-aminophenol (CAS#591-27-5), 5-amino-2-methylphenol (CAS#2835-95-2) and 1-naphthol (CAS#90-15-3). The combination...
35 KB (4,521 words) - 23:20, 26 June 2024
Naphthols are popular coupling agents. One example is the synthesis of the dye "organol brown" from aniline and 1-naphthol: Similarly, β-naphthol couples...
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hybridization). Hydrogenation of arenes create saturated rings. The compound 1-naphthol is completely reduced to a mixture of decalin-ol isomers. The compound...
21 KB (2,104 words) - 14:09, 9 July 2024
hemolytic anemia, and cytotoxicity in liver cells. 4-amino-2-methyl-1-naphthol ("K5") is not natural and hence not a "vitamin". Research with "K5" suggests...
69 KB (7,761 words) - 02:47, 10 July 2024
were about ten times the amount of the standard markers of 1-naphthol and 2-naphthol within human urine. Gidron, E.; Leurer, J. (1956). "Naphthalene...
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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...
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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 chirality...
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Brilliant Black PN, Brilliant Black A, Black PN, Food Black 1, Naphthol Black, C.I. Food Black 1, or C.I. 28440 is a synthetic black diazo dye. It is soluble...
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the test in 1925. The Sakaguchi reagent used in the test consists of 1-Naphthol and a drop of sodium hypobromite. The guanidino (–C group in arginine...
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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...
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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...
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Para red (redirect from 1-((4-nitrophenyl)azo)-2-naphthol)
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...
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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...
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of these diols, which is driven by rearomatization, gives phenol and 1-naphthol. Oxidation of 1,2-dihydroxydihydronaphthalene, catalyzed by dihydrodiol...
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Sudan I (redirect from 1-phenylazo-2-naphthol)
reductive reactions. Azo-reduction of Sudan I produces aniline and 1-amino-2-naphthol, and this reaction seems to be responsible for the detoxification...
20 KB (2,529 words) - 19:31, 12 July 2024
Aminonaphthalenesulfonic acids (redirect from 1-Aminonaphthalene-4-sulfonic acid)
Purpurin acid reduction of 1-nitronaphthalene-5-sulfonic acid. With NaOH, converts to 5-amino-1-naphthol ("purpurol"). 1-Aminonaphthalene-6-sulfonic...
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and the solution is boiled. Dilute sugar solution is added to ethanolic 1-naphthol and concentrated hydrochloric acid. The solution is then boiled and if...
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