Acid Black 172(CAS 61847-77-6)

Acid Black 172

Name:C.I.Acid Black 172,C.I.15711:1

Molecular Structure: Single azo,Metal Complexes

C.I.Acid Black 172,C.I.15711:1,CAS 61847-77-6/57696-14-8,461.38,C20H12N3NaO7S,Acid Black S-RL,Acid Black LDN,Acid Black M-R,Acid Black S-DL,Neutral Black S-BL,Neutral Black 2S-RL,Neutral Black BR,Neutral Black D-SL,Neutral Black LD,Neutral Black M-SRL,Neutral Black RS-BLN,Neutral Complex Black S-RL,Neutral Complex Black LDN

Molecular Formula:C₂₀H₁₂N₃NaO₇S

Molecular Weight: 461.38

CAS Registry Number:61847-77-6/57696-14-8

Manufacturing Methods : 4-Amino-3-hydroxynaphthalene-1-sulfonic acid diazo, and Naphthalen-2-ol coupling, and then translate into 1:2 chromium complex.

Properties and Applications: black. Dark brown powder, soluble in water. Used for wool, polyamide fiber, silk and their blended fabric dyeing and printing directly, also can used for leather dyeing.