Direct Brown 2 structure

Direct Brown 2

TL;DR: Direct Brown 2 (CAS 2429-82-5) is a chemical compound with molecular formula C29H19N5Na2O7S and molecular weight 627.08 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.

disodium;5-[[4-[4-[(7-amino-1-hydroxy-3-sulfonatonaphthalen-2-yl)diazenyl]phenyl]phenyl]diazenyl]-2-hydroxybenzoate

Also Known As: Direct Fast Brown M, CI Direct Brown 2, Azocard Brown M, Direct Brown M, Union Brown DR

CAS: 2429-82-5
Molecular Formula C29H19N5Na2O7S
Molecular Weight 627.08 g/mol
LogP -0.39
Topological Polar Surface Area 222.0 Ų
Hydrogen Bond Donors 3
Hydrogen Bond Acceptors 12
Rotatable Bonds 5
Exact Mass 627.0801
Heavy Atoms 44
Complexity 1070.0
Solubility 1 to 10 mg/mL at 68 °F (NTP, 1992)

Chemical Identifiers

CAS Number 2429-82-5
SMILES C1=CC(=CC=C1C2=CC=C(C=C2)N=NC3=C(C=C4C=CC(=CC4=C3O)N)S(=O)(=O)[O-])N=NC5=CC(=C(C=C5)O)C(=O)[O-].[Na+].[Na+]
InChIKey CXAVOCVLMJULES-UHFFFAOYSA-L

Product Overview

Direct Brown 2 (CAS 2429-82-5), with molecular formula C29H19N5Na2O7S and molecular weight 627.08 g/mol. IUPAC: disodium;5-[[4-[4-[(7-amino-1-hydroxy-3-sulfonatonaphthalen-2-yl)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 Direct Brown 2

XLogP
-0.39
TPSA (Topological Polar Surface Area)
222.0
Hydrogen Bond Donors
3
Hydrogen Bond Acceptors
12
Rotatable Bonds
5
Heavy Atoms
44
Complexity
1070.0
Exact Mass
627.0801
Monoisotopic Mass
627.0801
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 Direct Brown 2

The XLogP value of -0.39 indicates that Direct Brown 2 is hydrophilic (water-soluble), making it suitable for aqueous formulations and biological assay applications. The TPSA of 222.0 Ų indicates high polarity, suggesting Direct Brown 2 may have limited membrane permeability but good aqueous solubility. Following Lipinski's Rule of Five, Direct Brown 2 has 3 hydrogen bond donor(s) and 12 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 Direct Brown 2?

The CAS number of Direct Brown 2 is 2429-82-5.

What is the molecular formula of Direct Brown 2?

The molecular formula of Direct Brown 2 is C29H19N5Na2O7S.

What is the molecular weight of Direct Brown 2?

The molecular weight of Direct Brown 2 is 627.08 g/mol.

Where can I buy Direct Brown 2?

You can request a quote for Direct Brown 2 directly from KEHONG BIO. Contact us or email info@kehongbio.com for pricing and availability.

Does KEHONG BIO offer custom synthesis for Direct Brown 2?

Yes, KEHONG BIO provides custom synthesis services for Direct Brown 2 and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.

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