dye|World dye variety

Name:C.I.Vat Orange 13,C.I.67820

Molecular Structure: anthraquinones

C.I.Vat Orange 13,C.I.67820,CAS 6417-38-5,693.66,C43H23N3O7

Molecular Formula:C₄₃H₂₃N₃O₇

Molecular Weight: 693.66

CAS Registry Number:6417-38-5

Manufacturing Methods :  1-Nitro-9,10-dioxo-9,10-dihydroanthracene-2-carboxylic acid and p-aminobenzoic acid condensation, cyclization after light into usions chloride, again and N-(5-amino-9,10-dioxo-9,10-dihydroanthracen-1-yl)benzamide in 1,2-dichlorobenzene condensation.

Properties and Applications: orange to red light orange. Orange powder, the strong sulfuric acid to yellow. Alkaline hidden color reduction for blu-ray body purplish red; Acid reduction for orange brown body hidden color. Used for the cotton fabric dyeing, for orange to red light orange color. Good levelness, but to dead cotton covering power is poorer. Can be used for suspension body dyeing. When used for cotton cloth printing can be directly color, the color printing out. Dye PVA, colored light than cotton shallow and dark. Dye silk, dye sex and affinity is very good, and the fastness is also very good

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