dye|World dye variety

Name:C.I.Reactive Brown 1,C.I.26440

Molecular Structure: Double azo class

C.I.Reactive Brown 1,C.I.26440,CAS 12238-04-9,964.20,C31H18ClN9Na4O12S4,Cibacron Brown 3GR

Molecular Formula:C₃₁H₁₈ClN₉Na₄O₁₂S₄

Molecular Weight: 964.20

CAS Registry Number:12238-04-9

Manufacturing Methods : 4-Aminobenzenesulfonic acid diazo, and 2-Aminobenzenesulfonic acid coupling, again diazo, and 5-Aminonaphthalene-2-sulfonic acid and 8-Aminonaphthalene-2-sulfonic acid coupling, and then and 2,4,6-Trichloro-1,3,5-triazine condensation, again with 2-Aminobenzenesulfonic acid condensation.

Properties and Applications:  brown. Soluble in water, not sensitive to that fights

List of Suppliers:

Cibacron Brown 3GR( Ciba Specialty Chemicals Inc )