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Direct Red 75

CAS: 2829-43-8 | C33H26N8Na4O15S4

2D Structure

3D Structure

Loading 3D structure...

Basic Information

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

Names and Synonyms:

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

Identifiers:

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:
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);;;;

Spectral Data

NMR, IR, and Mass spectral data

1H NMR
13C NMR
Predicting NMR spectra...
10 ppm 9 8 7 6 5 4 3 2 1 0 ppm
Shift (ppm) Multiplicity Integration Assignment
200 ppm 180 160 140 120 100 80 60 40 20 0 ppm
Shift (ppm) DEPT Assignment

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

External Resources

All Properties

Comprehensive physical and chemical properties

Property Value Source
Molecular Mass 994.84 g/mol CAS Common Chemistry
994.8400000000005 g/mol RDKit
993.9991232520007 g/mol RDKit
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
Molar Refractivity 236.90729999999996 RDKit

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