dye|World dye variety

Name:C.I.Direct Yellow 127

Molecular Structure: Single azo class

C.I.Direct Yellow 127,CAS 12222-68-3,451.45,C18H14N5NaO4S2,Direct Yellow RB, Yellow RB

Molecular Formula:C₁₈H₁₄N₅NaO₄S₂

Molecular Weight: 451.45

CAS Registry Number:12222-68-3

Manufacturing Methods : : 2-(4-Aminophenyl)-6-methylbenzo[d]thiazole-7-sulfonic acid diazo, and 5-Methyl-3H-pyrazol-3-one coupling.

Properties and Applications:  yellow. Mainly used for paper making industry.

List of Suppliers:

Direct Yellow RB (Yorkshire Group pic)

Intrabond Liquid Yellow RB(Yorkshire Group pic)

Pontamine Yellow RB( du Pont E.I. de Nemours & Co. Inc. )