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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 Red 41 |
| Synonyms: | 4-[(4-Aminophenyl)(4-iminocyclohexa-2,5-dien-1-ylidene)methyl]-2-methylaniline;2,4-xylidine,alpha(sup4)-(p-aminophenyl)-alpha(sup4)-(4-imino-2,5-cyclohexad;4-((4-aminophenyl)(4-imino-2,5-cyclohexadien-1-ylidene)methyl)-2-methylbenze;4-((p-aminophenyl)(4-imino-2,5-cyclohexadien-1-ylidene)methyl)-o-toluidin;benzenamine,4-((4-aminophenyl)(4-imino-2,5-cyclohexadien-1-ylidene)methyl)-2;benzenamine,4-((4-aminophenyl)(4-imino-2,5-cyclohexadien-1-ylidene)methyl)-2-m;brilliantoilcrimsonbase;rosanilin free base |
| CAS: | 3248-93-9 |
| MF: | C20H19N3 |
| MW: | 301.39 |
| EINECS: | 221-832-2 |
| Product Categories: | marker;Solvent Dyestuff |
| Mol File: | 3248-93-9.mol |
| Melting point | 268-270°C decomposes |
| Boiling point | 432.52°C (rough estimate) |
| density | 1.0962 (rough estimate) |
| refractive index | 1.6000 (estimate) |
| storage temp. | Store at +15°C to +30°C. |
| pka | 6.81±0.20(Predicted) |
| form | solid |
| Colour Index | 42510 |
| PH | 5-6 (1g/l, H2O, 25°C) |
| Water Solubility | 10g/L |
| λmax | 545-547 nm |
| EPA Substance Registry System | Benzenamine, 4-[(4-aminophenyl)(4-imino-2,5-cyclohexadien-1-ylidene)methyl]-2-methyl- (3248-93-9) |
| RIDADR | UN 2811 6.1/PG III |
| RTECS | ZE9705000 |
| HazardClass | 6.1 |
| PackingGroup | III |
| Hazardous Substances Data | 3248-93-9(Hazardous Substances Data) |
| Uses | Certified by the Biological Stain Commission (BSC)For In-Vitro Diagnostic Use.For Professional Use.Used for staining acid-fast bacillus in the Periodic Acid Schiff method. Chemical indicator, pH range 1.0-3.0. Color change yellow-magenta.', 'HARLECO(R) For staining acid-fast bacillus in the Periodic Acid Schiff method | |||||||||||||||
| ChEBI: An imine that is 4-methylidenecyclohexa-2,5-dien-1-imine in which the hydrogens of the methylidene group are replaced by 4-aminophenyl and 3-methyl-4-aminophenyl groups. The monohydrochloride salt is the histological dye 'rosanilin'. | ||||||||||||||||
| Preparation | (a) aniline, p-Methylaniline and O-Methylaniline Triethylamine hydrochloride and its mixture and 1-Nitrobenzene or 1-Nitrobenzene and 1-Methyl-2-nitrobenzene mixture, iron and Zinc chloride in the presence of heating (Zinc chloride method); (b) aniline,?p-Methylaniline?and?O-Methylaniline?mixture and Arsenic acid?heating (Arsenic acidmethod). | |||||||||||||||
brilliant blue light red (6-Amino-4-hydroxynaphthalene-2-sulfonic acid ). Soluble in water for red light purple, soluble in ethanol to red. In concentrated sulfuric acid for yellow brown solution, dilute almost colorless. Dye aqueous solution to join sodium hydroxide colorless, have red precipitation.
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| Raw materials | 2-Nitrotoluene-->o-Toluidine-->Aniline-->Nitrobenzene-->p-Toluidine |
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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