dye|World dye variety

Name:C.I.Direct Red 32,C.I.35790

Molecular Structure: Multi-azo class

C.I.Direct Red 32,C.I.35790,CAS 33448-68-9,1473.19,C53H30N10Na6O21S6

Molecular Formula:C₅₃H₃₀N₁₀Na₆O₂₁S₆

Molecular Weight: 1473.19

CAS Registry Number:33448-68-9

Manufacturing Methods :  7-Aminonaphthalene-1,3-disulfonic acid diazo, with (Phenylamino)methanesulfonic acid coupling, and then a sulfonic acid hydrolysis off base, its product (2 Moore) diazo, coupled with N,N’-bis(4-hydroxy-2-sulfonaphthalene-7-yl)urea.

Properties and Applications: blue-ray red.

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