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Details

Stereochemistry ACHIRAL
Molecular Formula C42H29N6O12S4.3Na
Molecular Weight 1006.942
Optical Activity NONE
Defined Stereocenters 0 / 0
E/Z Centers 0
Charge 0

SHOW SMILES / InChI
Structure of Nigrosine WS

SMILES

[Na+].[Na+].[Na+].[O-]S(=O)(=O)C1=CC=C(NC2=CC3=NC4=CC(NC5=CC=C(C=C5)S([O-])(=O)=O)=C(NC6=CC=C(C=C6)S([O-])(=O)=O)C=C4[N+](C7=CC=CC=C7)=C3C=C2NC8=CC=C(C=C8)S([O-])(=O)=O)C=C1

InChI

InChIKey=NGIPJLUQZVIPAM-UHFFFAOYSA-K
InChI=1S/C42H32N6O12S4.3Na/c49-61(50,51)31-14-6-26(7-15-31)43-35-22-39-41(24-37(35)45-28-10-18-33(19-11-28)63(55,56)57)48(30-4-2-1-3-5-30)42-25-38(46-29-12-20-34(21-13-29)64(58,59)60)36(23-40(42)47-39)44-27-8-16-32(17-9-27)62(52,53)54;;;/h1-25H,(H7,43,44,45,46,47,49,50,51,52,53,54,55,56,57,58,59,60);;;/q;3*+1/p-3

HIDE SMILES / InChI

Molecular Formula C42H29N6O12S4
Molecular Weight 937.973
Charge -3
Count
Stereochemistry ACHIRAL
Additional Stereochemistry No
Defined Stereocenters 0 / 0
E/Z Centers 0
Optical Activity NONE

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

Approval Year

Substance Class Chemical
Created
by admin
on Wed Apr 02 19:48:40 GMT 2025
Edited
by admin
on Wed Apr 02 19:48:40 GMT 2025
Record UNII
9YWS9G6WTF
Record Status Validated (UNII)
Record Version
  • Download
Name Type Language
Nigrosine WS
Common Name English
CI 50420
INCI  
Preferred Name English
C.I. Acid Black 2
Common Name English
Acid Black 2
Common Name English
C.I. 50420
Common Name English
Phenazinium, 5-phenyl-2,3,7,8-tetrakis[(4-sulfophenyl)amino]-, inner salt, sodium salt (1:3)
Systematic Name English
Code System Code Type Description
PUBCHEM
171390202
Created by admin on Wed Apr 02 19:48:40 GMT 2025 , Edited by admin on Wed Apr 02 19:48:40 GMT 2025
PRIMARY
CAS
61049-35-2
Created by admin on Wed Apr 02 19:48:40 GMT 2025 , Edited by admin on Wed Apr 02 19:48:40 GMT 2025
PRIMARY
CAS
8005-03-6
Created by admin on Wed Apr 02 19:48:40 GMT 2025 , Edited by admin on Wed Apr 02 19:48:40 GMT 2025
NO STRUCTURE GIVEN
FDA UNII
9YWS9G6WTF
Created by admin on Wed Apr 02 19:48:40 GMT 2025 , Edited by admin on Wed Apr 02 19:48:40 GMT 2025
PRIMARY
Related Record Type Details
PARENT -> SALT/SOLVATE