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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: | Solvent Brown 5 |
| Synonyms: | 4-(1-Naphtylazo)-1-naphthol;4-(1-naphthalenylazo)-1-Naphthalenol;SUDAN BROWN;4-(1-naphthylazo)-1-naphthol;1-Naphthalenol, 4-(1-naphthalenylazo)-;Solvent brown 5 (C.I. 12020);C.I. 12020;Solvent Brown 5 |
| CAS: | 2653-72-7 |
| MF: | C20H14N2O |
| MW: | 298.34 |
| EINECS: | 220-178-5 |
| Product Categories: | |
| Mol File: | 2653-72-7.mol |
| Boiling point | 551.0±33.0 °C(Predicted) |
| density | 1.20±0.1 g/cm3(Predicted) |
| pka | 8.32±0.40(Predicted) |
| EPA Substance Registry System | 1-Naphthalenol, 4-(1-naphthalenylazo)- (2653-72-7) |
| Preparation | Naphthalen-1-amine diazotization, and Naphthalen-1-ol?coupling. | |||||||||||||||
dark brown (NC raw lacquer). Soluble in ethanol for yellow brown. In concentrated sulfuric acid for deep green light black, dilution after blue black, then there is dark brown precipitation. Dye alcohol solution to join concentrated hydrochloric acid don’t change; Add 5% sodium hydroxide solution for blue light red. Used for oil, paraffin wax, cellulose and synthetic resin paint color.
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| Raw materials | 1-Naphthol-->1-Naphthylamine |
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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