Direct Red 253
Name:C.I.Direct Red 253,C.I.284243
Molecular Structure: Double azo class
Molecular Formula:C29H26N10Na2O9S2
Molecular Weight: 768.69
CAS Registry Number:142985-51-1
Manufacturing Methods : 4-((4-Aminophenyl)diazenyl)benzenesulfonic acid diazo, and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid, coupled with 2,4,6-Trichloro-1,3,5-triazine condensation, its product chlorine again with 2-Aminoethanol (2 Moore) condensation.
Properties and Applications: Pink. Mainly used for paper color.
List of Suppliers:
Cartosol Red 3BF ( Sandoz Ltd )
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