C.I. Mordant Black 50

CAS No.
8004-69-1
Chemical Name:
C.I. Mordant Black 50
Synonyms
Mordant Black 50;C.I. Mordant Black 50;C.I.Mordant Black 50:C.I..27270
CBNumber:
CB64755272
Molecular Formula:
Molecular Weight:
0
MDL Number:
MOL File:
Mol file

C.I. Mordant Black 50 Chemical Properties,Uses,Production

Preparation

3-Amino-2-hydroxybenzoic acid and 5-Amino-2-hydroxybenzoic acid?diazotization, and 5-Aminonaphthalene-2-sulfonic acid and 8-Aminonaphthalene-2-sulfonic acid coupling, product to diazotization, and 3-Hydroxynaphthalene-2,7-disulfonic acid coupling.

Properties and Applications

black. Soluble in water is purple, slightly soluble in alcohol for pale yellow. In concentrated sulfuric acid to blue light green, dilution for bordeaux red. Dye aqueous solution to join concentrated hydrochloric acid for bordeaux red; Join strong caustic for deep navy blue.

Standard Ironing Fastness Light Fastness Fulling Persperation Fastness Soaping Water
Alkali Acid
ISO 5 6 4-5 4 4 4-5 4-5

C.I. Mordant Black 50 Preparation Products And Raw materials

C.I. Mordant Black 50 Mordant Black 50 C.I.Mordant Black 50:C.I..27270 8004-69-1