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| OEM | OEM Services Provided |
| Feature | Good stability,Easy to Use |
| Classification | Dyes and Pigments |
| Advantage | Professional, Fast Delivery, Customizable | Samples | Apply for free，Contact us now. |
| 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 |
| 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 |
| form | powder to crystal |
| pka | 8.73±0.40(Predicted) |
| Colour Index | 37565 |
| 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) |
| HS Code | 2924.29.3600 |
| Preparation | Naphthalen-2-amine and 3-Hydroxy-2-naphthoic acid condensation. |
| 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. |
| Raw materials | Water-->Sodium dithionite-->2-Aminonaphthalene-1-sulfonic acid-->2-Naphthylamine-->3-Hydroxy-2-naphthoic acid |
Declaration: The products displayed on this website are intended exclusively for industrial applications or scientific research. They are not intended for medical, pharmaceutical, or food use. In accordance with applicable laws and regulations, purchasing organizations must hold valid qualifications and approvals.
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