Solvent Red 41
Solvent Red 41 Basic information
- 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
Solvent Red 41 Chemical Properties
- 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.
- Colour Index
- 42510
- pka
- 6.81±0.20(Predicted)
- PH
- 5-6 (1g/l, H2O, 25°C)
- EPA Substance Registry System
- Benzenamine, 4-[(4-aminophenyl)(4-imino-2,5-cyclohexadien-1-ylidene)methyl]-2-methyl- (3248-93-9)
Safety Information
- RIDADR
- UN 2811 6.1/PG III
- RTECS
- ZE9705000
- HazardClass
- 6.1
- PackingGroup
- III
- Hazardous Substances Data
- 3248-93-9(Hazardous Substances Data)
Solvent Red 41 Usage And Synthesis
Definition
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).
Properties and Applications
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.
| Standard | Light Fastness | Heat-resistant(℃) | water | Sodium Carbonate(5%) | Hydrochloric acid(5%) | |
| Melting point | Stable | |||||
| ISO | Poor | 60 | Well | Poor | Poor | |
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