[1,1'-Biphenyl]-3,3'-disulfonic acid, 4,4'-bis[[1-hydroxy-6-[(5-hydroxy-7-sulfo-2-naphthalenyl)amino]-3-sulfo-2-naphthalenyl]azo]-, hexasodium salt

CAS No.
6375-56-0
Chemical Name:
[1,1'-Biphenyl]-3,3'-disulfonic acid, 4,4'-bis[[1-hydroxy-6-[(5-hydroxy-7-sulfo-2-naphthalenyl)amino]-3-sulfo-2-naphthalenyl]azo]-, hexasodium salt
Synonyms
Direct Violet 25;C.I.Direct Violet 25:C.I.22930;[1,1'-Biphenyl]-3,3'-disulfonic acid, 4,4'-bis[[1-hydroxy-6-[(5-hydroxy-7-sulfo-2-naphthalenyl)amino]-3-sulfo-2-naphthalenyl]azo]-, hexasodium salt
CBNumber:
CB94745407
Molecular Formula:
C52H30N6Na6O22S6
Molecular Weight:
1421.15022
MDL Number:
MOL File:
6375-56-0.mol

[1,1'-Biphenyl]-3,3'-disulfonic acid, 4,4'-bis[[1-hydroxy-6-[(5-hydroxy-7-sulfo-2-naphthalenyl)amino]-3-sulfo-2-naphthalenyl]azo]-, hexasodium salt Chemical Properties,Uses,Production

Preparation

4,4′-Diamino-3,3′-Biphenyldisulfonic acid double nitriding, and Bis(4-hydroxy-2-sulfonaphthalene-7-yl)amine (2 Moore) coupled.

Properties and Applications

dark blue light red. Soluble in water for deep purple, slightly soluble in alcohol. The strong sulfuric acid for blue, for purple diluted. Dye with strong hydrochloric acid solution for dark, precipitation; Add thick sodium hydroxide solution for the navy, precipitation.

[1,1'-Biphenyl]-3,3'-disulfonic acid, 4,4'-bis[[1-hydroxy-6-[(5-hydroxy-7-sulfo-2-naphthalenyl)amino]-3-sulfo-2-naphthalenyl]azo]-, hexasodium salt Preparation Products And Raw materials

[1,1'-Biphenyl]-3,3'-disulfonic acid, 4,4'-bis[[1-hydroxy-6-[(5-hydroxy-7-sulfo-2-naphthalenyl)amino]-3-sulfo-2-naphthalenyl]azo]-, hexasodium salt C.I.Direct Violet 25:C.I.22930 Direct Violet 25 6375-56-0