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Details

Stereochemistry ACHIRAL
Molecular Formula C22H16N6O7S2.2Na
Molecular Weight 586.508
Optical Activity NONE
Defined Stereocenters 0 / 0
E/Z Centers 2
Charge 0

SHOW SMILES / InChI
Structure of Acid Green 20

SMILES

[Na+].[Na+].NC1=CC=C(C=C1)\N=N\C2=C(C=C3C=C(C(\N=N\C4=CC=CC=C4)=C(O)C3=C2N)S([O-])(=O)=O)S([O-])(=O)=O

InChI

InChIKey=VGCGYVHOTSGFBE-HTBXFFAPSA-L
InChI=1S/C22H18N6O7S2.2Na/c23-13-6-8-15(9-7-13)26-27-20-16(36(30,31)32)10-12-11-17(37(33,34)35)21(22(29)18(12)19(20)24)28-25-14-4-2-1-3-5-14;;/h1-11,29H,23-24H2,(H,30,31,32)(H,33,34,35);;/q;2*+1/p-2/b27-26+,28-25+;;

HIDE SMILES / InChI

Approval Year

Name Type Language
Acid Green 20
Common Name English
2,7-Naphthalenedisulfonic acid, 4-amino-3-[(4-aminophenyl)azo]-5-hydroxy-6-(phenylazo)-, disodium salt
Preferred Name English
Acid Dark Green
Common Name English
Oxanal Black G
Common Name English
Acid Green B
Common Name English
Acilan Black Green B
Common Name English
2,7-Naphthalenedisulfonic acid, 5-amino-6-[2-(4-aminophenyl)diazenyl]-3,4-dihydro-4-oxo-3-(2-phenylhydrazinylidene)-, sodium salt (1:2)
Common Name English
2,7-Naphthalenedisulfonic acid,4-amino-3-[(4-aminophenyl)azo]-5-hydroxy-6-(phenylazo)-, disodiumsalt
Common Name English
Nitraniline Black
Common Name English
2,7-Naphthalenedisulfonic acid, 5-amino-6-[(4-aminophenyl)azo]-3,4-dihydro-4-oxo-3-(phenylhydrazono)-, disodium salt
Common Name English
2,7-Naphthalenedisulfonic acid, 4-amino-3-[2-(4-aminophenyl)diazenyl]-5-hydroxy-6-(2-phenyldiazenyl)-, sodium salt (1:2)
Common Name English
Naphtocard Green B
Common Name English
C.I. Acid Green 20, disodium salt
Common Name English
Acid Black HG
Common Name English
C.I. Acid Green 20
Common Name English
C.I. 20495
Common Name English
Amido Black Green B
Common Name English
Code System Code Type Description
PUBCHEM
135482787
Created by admin on Wed Apr 02 17:25:26 GMT 2025 , Edited by admin on Wed Apr 02 17:25:26 GMT 2025
PRIMARY
FDA UNII
G2DDY9TPC9
Created by admin on Wed Apr 02 17:25:26 GMT 2025 , Edited by admin on Wed Apr 02 17:25:26 GMT 2025
PRIMARY
CAS
5850-39-5
Created by admin on Wed Apr 02 17:25:26 GMT 2025 , Edited by admin on Wed Apr 02 17:25:26 GMT 2025
PRIMARY
EPA CompTox
DTXSID00889493
Created by admin on Wed Apr 02 17:25:26 GMT 2025 , Edited by admin on Wed Apr 02 17:25:26 GMT 2025
PRIMARY
CAS
288323-10-4
Created by admin on Wed Apr 02 17:25:26 GMT 2025 , Edited by admin on Wed Apr 02 17:25:26 GMT 2025
ALTERNATIVE