Chromotrope 2B structure

Chromotrope 2B

TL;DR: Chromotrope 2B (CAS 548-80-1) is a chemical compound with molecular formula C16H9N3Na2O10S2 and molecular weight 512.95 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.

disodium;4,5-dihydroxy-3-[(4-nitrophenyl)diazenyl]naphthalene-2,7-disulfonate

Also Known As: Chromotrope 2B, Khromotrop 2B, Chromotrope Red 4B, Chromatrope 2B, Naphtocard Fast Red 3B

CAS: 548-80-1
Molecular Formula C16H9N3Na2O10S2
Molecular Weight 512.95 g/mol
LogP -3.61
Topological Polar Surface Area 242.0 Ų
Hydrogen Bond Donors 2
Hydrogen Bond Acceptors 12
Rotatable Bonds 2
Exact Mass 512.95245
Heavy Atoms 33
Complexity 873.0

Chemical Identifiers

CAS Number 548-80-1
SMILES C1=CC(=CC=C1N=NC2=C(C3=C(C=C(C=C3C=C2S(=O)(=O)[O-])S(=O)(=O)[O-])O)O)[N+](=O)[O-].[Na+].[Na+]
InChIKey AXUUHWJXDWBCSG-UHFFFAOYSA-L

Patent-Derived Application Labels

Derived from 8 IPC patent classification(s) across the SureChEMBL global patent database.

Agrochemicals (1 patents) Analytical Reagents (1 patents) Catalysts (1 patents) Heterocyclic Building Blocks (17 patents) Organic Building Blocks (1 patents) +3 more

Product Overview

Chromotrope 2B (CAS 548-80-1), with molecular formula C16H9N3Na2O10S2 and molecular weight 512.95 g/mol. IUPAC: disodium;4,5-dihydroxy-3-[(4-nitrophenyl)diazenyl]naphthalene-2,7-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.
View MSDS →

Chemical Property Profile of Chromotrope 2B

XLogP
-3.61
TPSA (Topological Polar Surface Area)
242.0
Hydrogen Bond Donors
2
Hydrogen Bond Acceptors
12
Rotatable Bonds
2
Heavy Atoms
33
Complexity
873.0
Exact Mass
512.95245
Monoisotopic Mass
512.95245
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 Chromotrope 2B

The XLogP value of -3.61 indicates that Chromotrope 2B is hydrophilic (water-soluble), making it suitable for aqueous formulations and biological assay applications. The TPSA of 242.0 Ų indicates high polarity, suggesting Chromotrope 2B may have limited membrane permeability but good aqueous solubility. Following Lipinski's Rule of Five, Chromotrope 2B has 2 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 Chromotrope 2B?

The CAS number of Chromotrope 2B is 548-80-1.

What is the molecular formula of Chromotrope 2B?

The molecular formula of Chromotrope 2B is C16H9N3Na2O10S2.

What is the molecular weight of Chromotrope 2B?

The molecular weight of Chromotrope 2B is 512.95 g/mol.

Where can I buy Chromotrope 2B?

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

Does KEHONG BIO offer custom synthesis for Chromotrope 2B?

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

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