92-73-9
3-hydroxy-2',5'-dimethoxynaphthanilide
CAS: 92-73-9
Molecular Formula: C19H17NO4
92-73-9 - Names and Identifiers
| Name | 3-hydroxy-2',5'-dimethoxynaphthanilide |
| Synonyms | C.I. 37545 NAPTHOL AS-BG NAPHTHOL AS-BG naphthol AS-BG Acna Naphthol BG Amanil Naphthol AS-BG C.I. Azoic Coupling Component 19 3-hydroxy-2',5'-dimethoxynaphthanilide 3-hydroxy-2',5'-dimethoxynaphthanilide 3-HYDROXY-2',5'-DIMETHOXY-2-NAPHTHANILIDE 2-HYDROXY-3-NAPHTHOYL-2,5-DIMETHOXYANILIDE 2-Naphthanilide, 3-hydroxy-2',5'-dimethoxy- 2-Hydroxy-3-Naphthoyl-(2', 5'-dimethoxy) Aniline N-(2,5-dimethoxyphenyl)-3-hydroxynaphthalene-2-carboxamide |
| CAS | 92-73-9 |
| EINECS | 202-183-4 |
| InChI | InChI=1/C19H17NO4/c1-23-14-7-8-18(24-2)16(11-14)20-19(22)15-9-12-5-3-4-6-13(12)10-17(15)21/h3-11,21H,1-2H3,(H,20,22) |
92-73-9 - Physico-chemical Properties
| Molecular Formula | C19H17NO4 |
| Molar Mass | 323.34 |
| Density | 1.299g/cm3 |
| Boling Point | 459.1°C at 760 mmHg |
| Flash Point | 231.4°C |
| Vapor Presure | 4.77E-09mmHg at 25°C |
| Refractive Index | 1.678 |
| Physical and Chemical Properties | Light rice gray powder. Soluble in pyridine, insoluble in water. In sulfuric acid and sodium hydroxide are yellow solution, slightly soluble in sodium carbonate. Melting point 181 °c. Stable to air. |
| Use | Mainly used in the manufacture of organic pigments |
92-73-9 - Reference Information
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Use | phenol AS-BG is mainly used for dyeing cotton, viscose fiber, silk, generally not used for printing. Can be coupled with a variety of different Red groups, to different colors of red light, such as red, red, orange and so on. The affinity to cotton was moderate. mainly used in the manufacture of organic pigments |
| production method | with 2, 3-acid and 2, 5-dimethoxyaniline as raw materials, with chlorobenzene as solvent, the former is first formed into a salt and then condensed with the latter to obtain a product. After neutralization, recovery of chlorobenzene after filtration, drying, grinding to obtain the finished product.. |
Last Update：2024-04-09 21:04:16
