Mordant Yellow 21

CAS No.
6470-36-6
Chemical Name:
Mordant Yellow 21
Synonyms
Mordant Yellow 21;C.I.Mordant Yellow 21:C.I.23130
CBNumber:
CB79703523
Molecular Formula:
C26H17N6NaO10
Molecular Weight:
596.44
MDL Number:
MOL File:
6470-36-6.mol

Mordant Yellow 21 Chemical Properties,Uses,Production

Preparation

2,2′-dinitrobenzidine double nitrogen, and 2-Hydroxybenzoic acid(2 Moore) coupling.

Properties and Applications

red light yellow. Soluble in water for yellow brown. In concentrated sulfuric acid for cherry red, yellow brown precipitate after dilution. Dye aqueous solution with concentrated hydrochloric acid have yellow brown precipitation; Sodium hydroxide solution with strong for red light brown.

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

Mordant Yellow 21 Preparation Products And Raw materials

Raw materials

Preparation Products

Mordant Yellow 21 C.I.Mordant Yellow 21:C.I.23130 6470-36-6