PRODUCT 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 |
| 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) |
Description and Uses
3-Hydroxy-N-2-naphthyl-2-naphthamide is mainly used as a base agent for dyeing and printing cotton fibers (cotton fabrics). It is a commonly used base agent for dyeing cotton yarn red or brown and can be used as a substitute for Naphthol AS. It is also used for dyeing vinylon, viscose fiber, silk, and nylon; it can be coupled with bright red base RC and red base KB to dye bright red, coupled with blue salt to dye blue, and coupled with black base or black salt to dye black.
Safety
| Symbol(GHS) |  GHS07 |
| Signal word | Warning |
| Hazard statements | H317-H319 |
| Precautionary statements | P280-P305+P351+P338 |
| TSCA | TSCA listed |
| HS Code | 2924.29.3600 |
