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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: | NAPHTHOL AS-LT |
| Synonyms: | NAPHTHOL AS-LT;3-hydroxy-4’-methoxy-2’-methyl-2-naphthanilide;3-hydroxy-n-(4-methoxy-2-methylphenyl)-2-naphthalenecarboxamid;3-hydroxy-N-(4-methoxy-2-methylphenyl)-2-Naphthalenecarboxamide;3-hydroxy-N-(4-methoxy-2-methylphenyl)-2-naphthamide;Naphthol AS-LT (C.I. 37540);3-Hydroxy-N-(4-methoxy-2-methylphenyl)naphthalene-2-carboxamide;2-Naphthalenecarboxamide, 3-hydroxy-N-(4-methoxy-2-methylphenyl) |
| CAS: | 3689-20-1 |
| MF: | C19H17NO3 |
| MW: | 307.34 |
| EINECS: | 222-994-7 |
| Product Categories: | |
| Mol File: | 3689-20-1.mol |
| Melting point | 191-192 °C(Solv: benzene (71-43-2)) |
| Boiling point | 436.8±45.0 °C(Predicted) |
| density | 1.274±0.06 g/cm3(Predicted) |
| pka | 8.75±0.40(Predicted) |
| CAS DataBase Reference | 3689-20-1 |
| EPA Substance Registry System | 2-Naphthalenecarboxamide, 3-hydroxy-N-(4-methoxy-2-methylphenyl)- (3689-20-1) |
| Chemical Properties | Light brown powder. Melting point 196-197°C. Insoluble in water, soluble in butanol and pyridine. The dye is brownish yellow solution in sulfuric acid; yellow solution with green fluorescence in sodium hydroxide; insoluble in sodium carbonate solution. Slightly sensitive to air. |
| 5-Methoxy-2-methylbenzenamine and 3-Hydroxy-2-naphthoic acid condensation. | |
| Properties and Applications | shallow brown powder, soluble in butanol and pyridine, insoluble in water and sodium carbonate solution. In the light of sulfuric acid is palm yellow solution; In sodium hydroxide solution for yellow in liquid, a green fluorescent. Melting point for 196 ~ 197 ℃, of air sensitive. Mainly used for cotton cloth dyeing and printing, also can be used for silk, polyamide, two vinegar fiber, viscose and WeiGuan dyeing. This product to cotton affinity medium |
| Raw materials | Chlorobenzene-->2-Methyl-4-methoxybenzenamine-->2-Methyl-4-methoxybenzenamine-->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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