dye|World dye variety

Name:C.I.Solvent Red 229,C.I.19140,45160

Molecular Structure: Acidic/ alkaline dye complexes

C.I.Solvent Red 229,C.I.19140,45160,904.90,C42H37N6NaO12S2,Spirit Soluble Red 64843

Molecular Formula:C₄₂H₃₇N₆NaO₁₂S₂

Molecular Weight: 904.90

CAS Registry Number:

Manufacturing Methods :(a) 4-Aminobenzenesulfonic acid diazotization, and 5-Oxo-1-(4-sulfophenyl)-4,5-dihydro-1H-pyrazole-3-carboxylic acid coupling; (b) 2 Moore 4-Hydrazinobenzenesulfonic acid and Dioxo acid reaction to C.I. acid yellow 23 (C.I. 19140). 3-(Ethylamino)-4-methylphenol and Phthalic anhydride condensation, the product with ethanol and inorganic acid esterification; O-Methylaniline with chloroethane alkylation, sulfonation, alkali fusion, and Phthalic anhydride condensation, then ethyl chloride esterification C.I. Basic Red 1 (C.I. 45160). Then two dye into complex.

Properties and Applications:fluorescent yellow red.

List of Suppliers:

Spirit Soluble Red 64843( James Robinson Ltd )

Spirit Soluble Red 64843( Holliday Dyes & Chemicals Ltd )