DIRECT BROWN 191

[Na+].NC1=CC=C(\N=N\C2=CC=C(C=C2)S([O-])(=O)=O)C(N)=C1

InChIKey=UMTLYUSRNLIFQI-GEEYTBSJSA-M

InChI=1S/C12H12N4O3S.Na/c13-8-1-6-12(11(14)7-8)16-15-9-2-4-10(5-3-9)20(17,18)19;/h1-7H,13-14H2,(H,17,18,19);/q;+1/p-1/b16-15+;

Stereochemistry	ACHIRAL
Additional Stereochemistry	No
Defined Stereocenters	0 / 0
E/Z Centers	0
Optical Activity	NONE

Stereochemistry	ACHIRAL
Additional Stereochemistry	No
Defined Stereocenters	0 / 0
E/Z Centers	1
Optical Activity	NONE

Substance Class	Chemical Created by `admin` on `Mon Mar 31 18:41:28 GMT 2025` Edited by `admin` on `Mon Mar 31 18:41:28 GMT 2025`
Record UNII	E5QSL16799
Record Status	`Validated (UNII)`
Record Version

Name

Type

Language

DIRECT BROWN 191

Common Name

English

BENZENESULFONIC ACID, 4-((2,4-DIAMINOPHENYL)AZO)-, MONOSODIUM SALT

Preferred Name

English

PADDING BROWN J

Common Name

English

Brown FK component sodium 4-(2,4-diaminophenylazo)benzenesulphonate

Common Name

English

BENZENESULFONIC ACID, 4-(2-(2,4-DIAMINOPHENYL)DIAZENYL)-, SODIUM SALT (1:1)

Systematic Name

English

CI DIRECT BROWN 191

Common Name

English

C.I. 13220

Common Name

English

Code System Code Type Description

CAS

10190-66-6