C.I. Direct Brown 1 structure

C.I. Direct Brown 1

TL;DR: C.I. Direct Brown 1 (CAS 3811-71-0) is a chemical compound with molecular formula C31H22N8Na2O6S and molecular weight 680.12 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.

disodium;4-[[4-[4-[[2,4-diamino-5-[(4-sulfonatophenyl)diazenyl]phenyl]diazenyl]phenyl]phenyl]diazenyl]-2-hydroxybenzoate

Also Known As: C.I. Direct Brown 1, Direct Brown G, Direct Brown JJ, Cupranil Brown G, Paramine Brown G

CAS: 3811-71-0
Molecular Formula C31H22N8Na2O6S
Molecular Weight 680.12 g/mol
LogP 0.75
Topological Polar Surface Area 252.0 Ų
Hydrogen Bond Donors 3
Hydrogen Bond Acceptors 14
Rotatable Bonds 7
Exact Mass 680.11786
Heavy Atoms 48
Complexity 1170.0

Chemical Identifiers

CAS Number 3811-71-0
SMILES C1=CC(=CC=C1C2=CC=C(C=C2)N=NC3=CC(=C(C=C3N)N)N=NC4=CC=C(C=C4)S(=O)(=O)[O-])N=NC5=CC(=C(C=C5)C(=O)[O-])O.[Na+].[Na+]
InChIKey SKZFGYYJDVHJSA-UHFFFAOYSA-L

Product Overview

C.I. Direct Brown 1 (CAS 3811-71-0), with molecular formula C31H22N8Na2O6S and molecular weight 680.12 g/mol. IUPAC: disodium;4-[[4-[4-[[2,4-diamino-5-[(4-sulfonatophenyl)diazenyl]phenyl]diazenyl]phenyl]phenyl]diazenyl]-2-hydroxybenzoate.

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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.
View MSDS →

Chemical Property Profile of C.I. Direct Brown 1

XLogP
0.75
TPSA (Topological Polar Surface Area)
252.0
Hydrogen Bond Donors
3
Hydrogen Bond Acceptors
14
Rotatable Bonds
7
Heavy Atoms
48
Complexity
1170.0
Exact Mass
680.11786
Monoisotopic Mass
680.11786
Data Source: Chemical property values are referenced from PubChem, the world's largest open chemistry database maintained by the National Center for Biotechnology Information (NCBI), U.S. National Library of Medicine.

Property Insights of C.I. Direct Brown 1

The XLogP value of 0.75 suggests moderate lipophilicity, balancing water solubility and membrane permeability for C.I. Direct Brown 1. The TPSA of 252.0 Ų indicates high polarity, suggesting C.I. Direct Brown 1 may have limited membrane permeability but good aqueous solubility. Following Lipinski's Rule of Five, C.I. Direct Brown 1 has 3 hydrogen bond donor(s) and 14 hydrogen bond acceptor(s), which may warrant consideration for formulation optimization.

Frequently Asked Questions

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.
Can you provide samples for testing?
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.
Do you ship internationally?
Yes, we ship to most countries worldwide. Shipping costs and delivery times vary by location. Please contact us for specific shipping information.

Frequently Asked Questions

What is the CAS number of C.I. Direct Brown 1?

The CAS number of C.I. Direct Brown 1 is 3811-71-0.

What is the molecular formula of C.I. Direct Brown 1?

The molecular formula of C.I. Direct Brown 1 is C31H22N8Na2O6S.

What is the molecular weight of C.I. Direct Brown 1?

The molecular weight of C.I. Direct Brown 1 is 680.12 g/mol.

Where can I buy C.I. Direct Brown 1?

You can request a quote for C.I. Direct Brown 1 directly from KEHONG BIO. Contact us or email info@kehongbio.com for pricing and availability.

Does KEHONG BIO offer custom synthesis for C.I. Direct Brown 1?

Yes, KEHONG BIO provides custom synthesis services for C.I. Direct Brown 1 and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.

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