dye|World dye variety

Name:C.I.Acid Blue 269,C.I.42634

Molecular Structure: triarylmethane class

C.I.Acid Blue 269,C.I.42634,CAS 61813-57-8,781.92,C43H40N3NaO6S2,Acid Leather Blue JR

Molecular Formula:C₄₃H₄₀N₃NaO₆S₂

Molecular Weight: 781.92

CAS Registry Number:61813-57-8

Manufacturing Methods : p-Chlorobenzaldehyde (1 Moore) and N-ethyl-N-benzyl-3-methylaniline (2 Moore) condensation, and heavy chromate salt-oxalic acid oxidation its product, again with aniline condensation.

Properties and Applications:

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Acid Leather Blue JR( Francolor Pigments SA )