disodium hydrogen bis[4-[[2,6-dihydroxy-3-[(2-hydroxy-3,5-dinitrophenyl)azo]phenyl]azo]-3- methylbenzenesulphonato(3-)]chromate(3-)

CAS No.
6408-05-5
Chemical Name:
disodium hydrogen bis[4-[[2,6-dihydroxy-3-[(2-hydroxy-3,5-dinitrophenyl)azo]phenyl]azo]-3- methylbenzenesulphonato(3-)]chromate(3-)
Synonyms
Acid Brown 143;C.I.Acid Brown 143:C.I.20260;disodium hydrogen bis[4-[[2,6-dihydroxy-3-[(2-hydroxy-3,5-dinitrophenyl)azo]phenyl]azo]-3- methylbenzenesulphonato(3-)]chromate(3-)
CBNumber:
CB6878278
Molecular Formula:
C38H29CrN12Na2O20S2+3
Molecular Weight:
1135.8109
MDL Number:
MOL File:
6408-05-5.mol

disodium hydrogen bis[4-[[2,6-dihydroxy-3-[(2-hydroxy-3,5-dinitrophenyl)azo]phenyl]azo]-3- methylbenzenesulphonato(3-)]chromate(3-) Chemical Properties,Uses,Production

Preparation

2-Amino-4,6-dinitrophenol diazo, acetic acid with Resorcinol coupling, 4-Amino-3-methylbenzenesulfonic acid?diazo, and the generation of single accidentally coupled nitrogen compounds, then with aqueous acid chromium heating, in 100 ~ 102 ℃ to keep four hours, create chromium complex.

Properties and Applications

dark red light brown.

disodium hydrogen bis[4-[[2,6-dihydroxy-3-[(2-hydroxy-3,5-dinitrophenyl)azo]phenyl]azo]-3- methylbenzenesulphonato(3-)]chromate(3-) Preparation Products And Raw materials

Raw materials

Preparation Products

disodium hydrogen bis[4-[[2,6-dihydroxy-3-[(2-hydroxy-3,5-dinitrophenyl)azo]phenyl]azo]-3- methylbenzenesulphonato(3-)]chromate(3-) Acid Brown 143 C.I.Acid Brown 143:C.I.20260 6408-05-5