C.I. Direct Brown 1A

5-[[4-[4-[[2,6-diamino-3-methyl-5-[(4-sulfophenyl)diazenyl]phenyl]diazenyl]phenyl]phenyl]diazenyl]-2-hydroxybenzoic acid

CAS: 25180-38-5

Molecular Formula	`C32H26N8O6S`
Molecular Weight	650.7 g/mol
LogP	6.3
Topological Polar Surface Area	246.0 A2
Hydrogen Bond Donors	5
Hydrogen Bond Acceptors	14
Rotatable Bonds	9
Exact Mass	650.1696
Heavy Atoms	47
Complexity	1220.0

Chemical Identifiers

CAS Number	25180-38-5
SMILES	`CC1=CC(=C(C(=C1N)N=NC2=CC=C(C=C2)C3=CC=C(C=C3)N=NC4=CC(=C(C=C4)O)C(=O)O)N)N=NC5=CC=C(C=C5)S(=O)(=O)O`
InChIKey	`QUCIBXXBUGRARB-UHFFFAOYSA-N`

📖 Product Overview

C.I. Direct Brown 1A (CAS: 25180-38-5) is a chemical compound with molecular formula C32H26N8O6S and molecular weight 650.7 g/mol. Its IUPAC systematic name is 5-[[4-[4-[[2,6-diamino-3-methyl-5-[(4-sulfophenyl)diazenyl]phenyl]diazenyl]phenyl]phenyl]diazenyl]-2-hydroxybenzoic acid. LogP 6.3 Topological Polar Surface Area 246.0 A2 Hydrogen Bond Donors 5 Hydrogen Bond Acceptors 14 Rotatable Bonds 9 Exact Mass 650.1696 Heavy Atoms 47 Complexity 1220.0 InChI Key: QUCIBXXBUGRARB-UHFFFAOYSA-N. SMILES: CC1=CC(=C(C(=C1N)N=NC2=CC=C(C=C2)C3=CC=C(C=C3)N=NC4=CC(=C(C=C4)O)C(=O)O)N)N=NC5=CC=C(C=C5)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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What is the typical lead time for this product?

Lead time typically ranges from 3-7 business days for in-stock items. For larger quantities or custom orders, please contact us for specific lead times.

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Yes, we offer sample quantities for quality testing. Please submit an inquiry with your requirements and we will arrange samples accordingly.

What documentation do you provide with the product?

We provide COA (Certificate of Analysis), MSDS (Material Safety Data Sheet), and technical data sheets with each shipment.

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