dye|World dye variety

Name:C.I.Direct Orange 31,C.I.23655

Molecular Structure: Double azo class

C.I.Direct Orange 31,C.I.23655,CAS 6420-03-7,670.60,C31H24N6Na2O7S

Molecular Formula:C₃₁H₂₄N₆Na₂O₇S

Molecular Weight: 670.60

CAS Registry Number:6420-03-7

Manufacturing Methods :  3,3′-Dimethylbenzidine double nitriding, respectively with 2-Hydroxybenzoic acid and 4-(3-Methyl-5-oxo-4,5-dihydropyrazol-1-yl)benzenesulfonic acid coupling.

Properties and Applications: red light orange. Used for cellulose fiber dyeing, good levelness, white the gender is good.

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