C.I. Direct Red 61

4-amino-3-[[4-[4-[(1-amino-4-sulfonaphthalen-2-yl)diazenyl]-3-chlorophenyl]-2-chlorophenyl]diazenyl]naphthalene-1-sulfonic acid

CAS: 25188-40-3

Molecular Formula	`C32H22Cl2N6O6S2`
Molecular Weight	721.6 g/mol
LogP	7.0
Topological Polar Surface Area	227.0 A2
Hydrogen Bond Donors	4
Hydrogen Bond Acceptors	12
Rotatable Bonds	7
Exact Mass	720.04193
Heavy Atoms	48
Complexity	1290.0

Chemical Identifiers

CAS Number	25188-40-3
SMILES	`C1=CC=C2C(=C1)C(=CC(=C2N)N=NC3=C(C=C(C=C3)C4=CC(=C(C=C4)N=NC5=C(C6=CC=CC=C6C(=C5)S(=O)(=O)O)N)Cl)Cl)S(=O)(=O)O`
InChIKey	`YJZABUDYNSQPMV-UHFFFAOYSA-N`

📖 Product Overview

C.I. Direct Red 61 (CAS: 25188-40-3) is a chemical compound with molecular formula C32H22Cl2N6O6S2 and molecular weight 721.6 g/mol. Its IUPAC systematic name is 4-amino-3-[[4-[4-[(1-amino-4-sulfonaphthalen-2-yl)diazenyl]-3-chlorophenyl]-2-chlorophenyl]diazenyl]naphthalene-1-sulfonic acid. LogP 7.0 Topological Polar Surface Area 227.0 A2 Hydrogen Bond Donors 4 Hydrogen Bond Acceptors 12 Rotatable Bonds 7 Exact Mass 720.04193 Heavy Atoms 48 Complexity 1290.0 InChI Key: YJZABUDYNSQPMV-UHFFFAOYSA-N. SMILES: C1=CC=C2C(=C1)C(=CC(=C2N)N=NC3=C(C=C(C=C3)C4=CC(=C(C=C4)N=NC5=C(C6=CC=CC=C6C(=C5)S(=O)(=O)O)N)Cl)Cl)S(=O)(=O)O.

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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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