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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-LC |
| Synonyms: | C.I. 37555;C.I. Azoic Coupling Component No. 23;Pigment organic azotol O;C.I.Azoic Coupling Component 23;Anarthol AS-LC;Conazoic BC;Dycosthol AS-LC;Kiwa Grounder LC |
| CAS: | 4273-92-1 |
| MF: | C19H16ClNO4 |
| MW: | 357.79 |
| EINECS: | 224-270-6 |
| Product Categories: | Organics;Intermediates of Dyes and Pigments |
| Mol File: | 4273-92-1.mol |
| Melting point | 190°C |
| Boiling point | 479.8±45.0 °C(Predicted) |
| density | 1.371±0.06 g/cm3(Predicted) |
| vapor pressure | 0-0Pa at 25℃ |
| storage temp. | Sealed in dry,Room Temperature |
| solubility | Chloroform (Slightly, Heated), DMSO (Slightly) |
| pka | 8.65±0.40(Predicted) |
| form | Solid |
| color | Pale Grey to Light Grey |
| LogP | 2.85 at 23℃ and pH7.1 |
| EPA Substance Registry System | 2-Naphthalenecarboxamide, N-(4-chloro-2,5-dimethoxyphenyl)-3-hydroxy- (4273-92-1) |
| Chemical Properties | Chromophenol AS-LC is a light gray powder, melting point 188-189°C. It is insoluble in water and sodium carbonate solution. Insoluble in water and sodium carbonate solution, soluble in pyridine. Yellow solution in sulfuric acid with green fluorescence. In sodium hydroxide solution is yellow. |
| NaphtholaS-LC can be used for aqueous inkjet set and inkjet printing. | |
| Preparation | Naphthol AS-LC is synthesized by 4-Chloro-2,5-dimethoxybenzenamine and 3-Hydroxy-2-naphthoic acid condensation. |
| Naphthol AS-LC is a light gray powder, melting point for 188 ~ 189 ℃. Insoluble in water solution and sodium carbonate, soluble in pyridine. In the yellow solution for sulfuric acid, and a green fluorescent; In sodium hydroxide solution for yellow solution. Naphthol AS-LC is mainly used for cotton fabrics, viscose, silk, polyamide fiber and polyester dyeing, general is not used for printing, dyeing cotton yarn less application. It to cotton affinity is higher, coupled ability medium. |
| Raw materials | Phosphorus trichloride-->2,5-Dimethoxy-4-chloroaniline-->3-Hydroxy-2-naphthoic acid |
| Preparation Products | Pigment Red 146 |
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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