Solvent Red 41
Name:C.I.Solvent Red 41,C.I.42510:1
Molecular Structure: triarylmethane class
Molecular Formula:C20H20ClN3
Molecular Weight: 337.85
CAS Registry Number:3248-93-9
Manufacturing Methods : (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 |
List of Suppliers:
Solvent Red 5B
Magenta Base ( Pylam Products Co. Inc. )
Magenta Base (Dye Specialities Inc)
Shaanxi Solvent Red 41( Shaanxi Foreign Tade )
Simpsol Magenta Base 24612(Simpsons (UK) Ltd)
Waxoline Red A( Pylam Products Co. Inc. )