4,6-Dibenzothiophenedisulfonic acid, 3,7-bis[[2-(phenylamino)-1-naphthalenyl]azo]-, 5,5-dioxide, disodium salt

CAS No.
6391-35-1
Chemical Name:
4,6-Dibenzothiophenedisulfonic acid, 3,7-bis[[2-(phenylamino)-1-naphthalenyl]azo]-, 5,5-dioxide, disodium salt
Synonyms
Acid Blue 85;C.I.Acid Blue 85:C.I.25735;4,6-Dibenzothiophenedisulfonic acid, 3,7-bis[[2-(phenylamino)-1-naphthalenyl]azo]-, 5,5-dioxide, disodium salt
CBNumber:
CB34755736
Molecular Formula:
C44H31N6NaO8S3
Molecular Weight:
890.94
MDL Number:
MOL File:
6391-35-1.mol

4,6-Dibenzothiophenedisulfonic acid, 3,7-bis[[2-(phenylamino)-1-naphthalenyl]azo]-, 5,5-dioxide, disodium salt Chemical Properties,Uses,Production

Preparation

3,7-diaminobiphenyl sulfone-4,6-disulfonic acid double nitriding, and N-phenyl-2-naphthylamine (2 Moore) coupled.

Properties and Applications

red light navy blue. Soluble in water for blue, soluble in ethanol for violet blue. The strong sulfuric acid to purplish red color, diluted into yellowish gray. In aqueous solution is to add strong hydrochloric acid have dark precipitation, add sodium hydroxide to blue.

Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater
Fading Stain Fading Stain Fading Stain
ISO 2 4 4 4

4,6-Dibenzothiophenedisulfonic acid, 3,7-bis[[2-(phenylamino)-1-naphthalenyl]azo]-, 5,5-dioxide, disodium salt Preparation Products And Raw materials

4,6-Dibenzothiophenedisulfonic acid, 3,7-bis[[2-(phenylamino)-1-naphthalenyl]azo]-, 5,5-dioxide, disodium salt Acid Blue 85 C.I.Acid Blue 85:C.I.25735 6391-35-1