Direct Blue 71 structure

Direct Blue 71

tetrasodium;3-[[4-[[4-[(2E)-2-(6-amino-1-oxo-3-sulfonatonaphthalen-2-ylidene)hydrazinyl]-6-sulfonatonaphthalen-1-yl]diazenyl]naphthalen-1-yl]diazenyl]naphthalene-1,5-disulfonate

Also Known As: Direct Blue 71|C.I. Direct Blue 71|EINECS 224-531-4|EINECS 278-274-8|C.I. DIRECT BLUE 71, TETRASODIUM SALT|1,5-Naphthalenedisulfonic acid, 3-[[4-[[4-[(6-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo]-6-sulfo-1-naphthalenyl]azo]-1-naphthalenyl]azo]-, sodium salt|1,5-Naphthalenedisulfonic acid, 3-((4-((4-((6-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo)-6-sulfo-1-naphthalenyl)azo)-1-naphthalenyl)azo)-, sodiumsalt|1,5-Naphthalenedisulfonic acid, 3-((4-((4-((6-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo)-6-sulfo-1-naphthalenyl)azo)-1-naphthalenyl)azo)-, tetrasodium salt|1,5-Naphthalenedisulfonic acid, 3-(2-(4-(2-(4-(2-(6-amino-1-hydroxy-3-sulfo-2-naphthalenyl)diazenyl)-6-sulfo-1-naphthalenyl)diazenyl)-1-naphthalenyl)diazenyl)-, sodium salt (1:?)|1,5-Naphthalenedisulfonic acid, 3-[[4-[[4-[(6-amino-1-hydroxy- 3-sulfo-2-naphthalenyl)azo]-6-sulfo-1-naphthalenyl ]azo]-1-naphthalenyl]azo]-, tetrasodium salt|1,5-Naphthalenedisulfonic acid, 3-[[4-[[4-[(6-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo]-6-sulfo-1-naphthalenyl]azo]-1-naphthalenyl]azo]-, tetrasodium salt|3-((4-((4-((7-Amino-4-hydroxy-2-sulfo-3-naphthalenyl)azo)-6-sulfo-1-naphthalenyl)azo)-1-naphthalenyl)azo)-1,5-naphthalenedisulfonic acid, sodium salt|3-[[4-[[4-[(6-amino-1-hydroxy-3-sulpho-2-naphthyl)azo]-6-sulpho-1-naphthyl]azo]-1-naphthyl]azo]naphthalene-1,5-disulphonic acid, sodium salt|Tetrasodium 3-[[4-[[4-[(6-amino-1-hydroxy-3-sulphonato-2-naphthyl)azo]-6-sulphonato-1-naphthyl]azo]-1-naphthyl]azo]naphthalene-1,5-disulphonate

CAS: 75627-20-2
Molecular Formula C40H23N7Na4O13S4
Molecular Weight 1028.9828 g/mol
LogP -5.162
Topological Polar Surface Area 345.72 Ų
Hydrogen Bond Donors 2
Hydrogen Bond Acceptors 20
Rotatable Bonds 10
Exact Mass 1028.9828
Monoisotopic Mass 1028.9828
Heavy Atoms 68
Complexity 3821.382

Chemical Identifiers

CAS Number 75627-20-2
SMILES C1=CC=C2C(=C1)C(=CC=C2N=NC3=CC4=C(C=CC=C4S(=O)(=O)[O-])C(=C3)S(=O)(=O)[O-])N=NC5=C6C=CC(=CC6=C(C=C5)N/N=C\7/C(=CC8=C(C7=O)C=CC(=C8)N)S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+].[Na+].[Na+]

Product Overview

Direct Blue 71 (CAS 75627-20-2), with molecular formula C40H23N7Na4O13S4 and molecular weight 1028.9828 g/mol. IUPAC: tetrasodium;3-[[4-[[4-[(2E)-2-(6-amino-1-oxo-3-sulfonatonaphthalen-2-ylidene)hydrazinyl]-6-sulfonatonaphthalen-1-yl]diazenyl]naphthalen-1-yl]diazenyl]naphthalene-1,5-disulfonate.

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Safety Data Sheet (MSDS / SDS) View the Laboratory Chemical Safety Summary (LCSS) on PubChem — includes GHS classifications, hazard statements, first aid measures, and handling precautions.
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