| 3-Hydroxy-N-2-naphthyl-2-naphthamide Basic information |
| Product Name: | 3-Hydroxy-N-2-naphthyl-2-naphthamide |
| Synonyms: | NAPHTHOL AS-SW;AZOIC COUPLING COMPONENT 7;AcnaNaphtholD;BrentholBN;3-HYDROXY-N-2-NAPHTHYL-2-NAPHTHAMIDE;Amarthol AS-SW;Dycosthol AS-SW;Tulathol AS-SW |
| CAS: | 135-64-8 |
| MF: | C21H15NO2 |
| MW: | 313.35 |
| EINECS: | 205-208-7 |
| Product Categories: | Intermediates of Dyes and Pigments |
| Mol File: | 135-64-8.mol |
| 3-Hydroxy-N-2-naphthyl-2-naphthamide Chemical Properties |
| Melting point | 243~244℃ |
| Boiling point | 479.3±28.0 °C(Predicted) |
| density | 1.333±0.06 g/cm3(Predicted) |
| storage temp. | 2-8°C |
| pka | 8.73±0.40(Predicted) |
| Colour Index | 37565 |
| form | powder to crystal |
| color | Light yellow to Brown |
| CAS DataBase Reference | 135-64-8(CAS DataBase Reference) |
| EPA Substance Registry System | 2-Naphthalenecarboxamide, 3-hydroxy-N-2-naphthalenyl- (135-64-8) |
| Safety Information |
| MSDS Information |
| 3-Hydroxy-N-2-naphthyl-2-naphthamide Usage And Synthesis |
| Preparation | Naphthalen-2-amine and 3-Hydroxy-2-naphthoic acid condensation. |
| Properties and Applications | yellowish powder, soluble point 243 ~ 244 ℃. Insoluble in water solution and sodium carbonate, soluble in chlorobenzene, in the solution for hydrogen oxide yellow liquid. To the stability of the air is good. Mainly used for cotton, cotton yarn line, bath towel dyeing, also can be used to PVA, viscose, silk and polyamide fiber dyeing, general is not used for printing. This product to cotton affinity is higher, coupled ability medium. |
| 3-Hydroxy-N-2-naphthyl-2-naphthamide Preparation Products And Raw materials |
| Raw materials | Water-->Sodium dithionite-->2-Aminonaphthalene-1-sulfonic acid-->2-Naphthylamine-->3-Hydroxy-2-naphthoic acid |
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