DIRECT BLACK 19

First approved in 2015

Details

Stereochemistry	ACHIRAL
Molecular Formula	C34H27N13O7S2.2Na
Molecular Weight	839.771
Optical Activity	NONE
Defined Stereocenters	0 / 0
E/Z Centers	4
Charge	0

SHOW SMILES / InChI

Structure Search

SMILES

[Na+].[Na+].NC1=CC=C(\N=N\C2=CC=C(C=C2)\N=N\C3=C(N)C4=C(O)C(\N=N\C5=CC=C(C=C5)\N=N\C6=CC=C(N)C=C6N)=C(C=C4C=C3S([O-])(=O)=O)S([O-])(=O)=O)C(N)=C1

InChI

InChIKey=UZZFFIUHUDOYPS-FVFGOVLKSA-L

InChI=1S/C34H29N13O7S2.2Na/c35-18-1-11-26(24(37)15-18)44-40-20-3-7-22(8-4-20)42-46-32-28(55(49,50)51)13-17-14-29(56(52,53)54)33(34(48)30(17)31(32)39)47-43-23-9-5-21(6-10-23)41-45-27-12-2-19(36)16-25(27)38;;/h1-16,48H,35-39H2,(H,49,50,51)(H,52,53,54);;/q;2*+1/p-2/b44-40+,45-41+,46-42+,47-43+;;

HIDE SMILES / InChI

Molecular Formula	Na
Molecular Weight	22.98976928
Charge	1
Count

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

Molecular Formula	C34H27N13O7S2
Molecular Weight	793.791
Charge	-2
Count

Stereochemistry	ACHIRAL
Additional Stereochemistry	No
Defined Stereocenters	0 / 0
E/Z Centers	4
Optical Activity	NONE

Approval Year

Substance Class	Chemical Created by `admin` on `Mon Mar 31 21:59:25 GMT 2025` Edited by `admin` on `Mon Mar 31 21:59:25 GMT 2025`
Record UNII	B91N7SNH1C
Record Status	`Validated (UNII)`
Record Version

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Name

Type

Language

NSC-47758

Preferred Name

English

DIRECT BLACK 19

Common Name

English

RAYON BLACK G

Common Name

English

2,7-NAPHTHALENEDISULFONIC ACID, 4-AMINO-3,6-BIS(2-(4-(2-(2,4-DIAMINOPHENYL)DIAZENYL)PHENYL)DIAZENYL)-5-HYDROXY-, SODIUM SALT (1:2)

Systematic Name

English

C.I. DIRECT BLACK 19 [HSDB]

Common Name

English

C.I. 35255

Common Name

English

CI 35255

Common Name

English

VISCOSE BLACK G

Common Name

English

DIRECT FAST BLACK G

Common Name

English

Code System Code Type Description

DAILYMED

B91N7SNH1C