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Molecule

Direct Red 75

CAS: 2829-43-8 · C33H26N8Na4O15S4

2D Structure

3D Structure

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Basic Information

CAS Registry Number
2829-43-8
Molecular Formula
C33H26N8Na4O15S4
Molecular Mass
994.84 g/mol

Identifiers

CAS Registry Number

2829-43-8

SMILES

Nc1ccc2cc(S(=O)(=O)O)cc(O)c2c1N=Nc1ccc(N=C(O)Nc2ccc(N=Nc3c(N)ccc4cc(S(=O)(=O)O)cc(O)c34)c(S(=O)(=O)O)c2)cc1S(=O)(=O)O.[Na].[Na].[Na].[Na]

InChI Key

RQYFVLJXAQMSHI-UHFFFAOYSA-N

InChI

InChI=1S/C33H26N8O15S4.4Na/c34-21-5-1-15-9-19(57(45,46)47)13-25(42)29(15)31(21)40-38-23-7-3-17(11-27(23)59(51,52)53)36-33(44)37-18-4-8-24(28(12-18)60(54,55)56)39-41-32-22(35)6-2-16-10-20(58(48,49)50)14-26(43)30(16)32;;;;/h1-14,42-43H,34-35H2,(H2,36,37,44)(H,45,46,47)(H,48,49,50)(H,51,52,53)(H,54,55,56);;;;

Names and Synonyms

  • Direct Red 75 Common Name
  • Calcodur Pink 2BL Synonym
  • 2-Naphthalenesulfonic acid, 5,5′-[carbonylbis[imino(2-sulfo-4,1-phenylene)-2,1-diazenediyl]]bis[6-amino-4-hydroxy-, sodium salt (1:4) Synonym
  • C.I. Direct Red 75, tetrasodium salt Synonym
  • 2-Naphthalenesulfonic acid, 5,5′-[carbonylbis[imino(2-sulfo-4,1-phenylene)azo]]bis[6-amino-4-hydroxy-, tetrasodium salt Synonym
  • C.I. Direct Red 75 Synonym
  • Chlorazol Fast Pink Synonym
  • C.I. 25380 Synonym
  • Aizen Primula Pink 2BLH Synonym
  • Aizen Primula Pink 2BLH special Synonym
  • Amanil Fast Pink 2B Synonym
  • Atlantic Fast Pink 2BL Synonym
  • Belamine Fast Pink BL Synonym
  • Benzanil Fast Pink BK Synonym
  • Chloramine Fast Pink BK Synonym
  • Chlorantine Fast Pink 2B Synonym
  • Chlorantine Fast Red 2B Synonym
  • Chlorazol Fast Pink BK Synonym
  • Chrome Leather Pink B Synonym
  • Diazol Light Pink 2B Synonym
  • Diphenyl Blue Red B Synonym
  • Diphenyl Fast Pink BF Synonym
  • Diphenyl Fast Pink BK Synonym
  • Direct Fast Pink B Synonym
  • Direct Fast Pink 4BL Synonym
  • Direct Light Pink M 2BL Synonym
  • Eliamina Pink 2BL Synonym
  • Fastusol Pink BBA-CF Synonym
  • Fastusol Pink BBL Synonym
  • Fenaluz Pink 2B Synonym
  • Helion Pink 2B Synonym
  • Paranol Fast Pink 2BL Synonym
  • Pyrazoline Pink 4BL Synonym
  • Saturn Pink 2B Synonym
  • Sirius Pink 4BL Synonym
  • Sirius Pink BB Synonym
  • Sirius Supra Rubine B Synonym
  • Solantine Pink 4BL Synonym
  • Solar Rubine CB Synonym
  • Solius Pink 2B Synonym
  • Suprazo Pink 2B Synonym
  • Suprexcel Pink BL Synonym
  • Tertrodirect Fast Rose 2B Synonym
  • Triantine Fast Pink B Synonym
  • Triantine Light Pink B Synonym
  • Direct Fast Pink S Synonym
  • Direct Fast Rose S Synonym
  • Direct Lightfast Pink S Synonym
  • Direct Lightfast Rose S Synonym
  • Lightfast Rose S Synonym
  • Diphenyl Pink EBE Synonym
  • Benzo Fast Pink 2BL Synonym
  • Chlorazol Fast Pink 2BL Synonym
  • Sirius Rose BB Synonym
  • Calcodur Pick 2BL Synonym
  • Sirius Pink 2B Synonym
  • Direct Red 75 Synonym
  • Direct Pink 2B Synonym

All Properties

Comprehensive physical and chemical properties

Property Value Source
Molecular Mass 994.84 g/mol CAS Common Chemistry
994.8400000000005 g/mol RDKit
998.844 g/mol chempirical lib
Canonical SMILES [Na].O=C(NC1=CC=C(N=NC2=C(N)C=CC3=CC(=CC(O)=C32)S(=O)(=O)O)C(=C1)S(=O)(=O)O)NC4=CC=C(N=NC5=C(N)C=CC6=CC(=CC(O)=C65)S(=O)(=O)O)C(=C4)S(=O)(=O)O CAS Common Chemistry
InChI InChI=1S/C33H26N8O15S4.4Na/c34-21-5-1-15-9-19(57(45,46)47)13-25(42)29(15)31(21)40-38-23-7-3-17(11-27(23)59(51,52)53)36-33(44)37-18-4-8-24(28(12-18)60(54,55)56)39-41-32-22(35)6-2-16-10-20(58(48,49)50)14-26(43)30(16)32;;;;/h1-14,42-43H,34-35H2,(H2,36,37,44)(H,45,46,47)(H,48,49,50)(H,51,52,53)(H,54,55,56);;;; CAS Common Chemistry
InChI Key InChIKey=RQYFVLJXAQMSHI-UHFFFAOYSA-N CAS Common Chemistry
Name Direct Red 75 CAS Common Chemistry
Heavy Atom Count 64 RDKit
Hydrogen Bond Acceptors 17 RDKit
Hydrogen Bond Donors 10 RDKit
Rotatable Bonds 10 RDKit
Aromatic Ring Count 6 RDKit
Topological Polar Surface Area 404.04 Ų RDKit
LogP 4.520600000000002 RDKit
4.5206 RDKit
Molar Refractivity 236.90729999999996 cm³/mol RDKit
Ring Count 6 RDKit
Formal Charge 0 RDKit
Fraction Csp3 0.0 RDKit
Exact Mass 993.9991232520007 g/mol RDKit

Spectral Data

NMR, IR, and Mass spectral data

Predicting NMR spectra...
10 ppm 9 8 7 6 5 4 3 2 1 0 ppm
Shift (ppm) Multiplicity Integration Assignment

Note: These NMR spectra are predicted computationally and may differ from experimental data. Predictions are based on chemical environment analysis.

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MW = 994.84 g/mol. Edit any field — others recompute live.

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