Ponceau S structure

Ponceau S

TL;DR: Ponceau S (CAS 18472-87-2) is a chemical compound with molecular formula C22H12N4Na4O13S4 and molecular weight 759.89 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.

tetrasodium;3-hydroxy-4-[[2-sulfonato-4-[(4-sulfonatophenyl)diazenyl]phenyl]diazenyl]naphthalene-2,7-disulfonate

Also Known As: Ponceau S, Acid Red 112, Ponceau S Extra, Ponceau Red S, ponceau-s

CAS: 18472-87-2
Molecular Formula C22H12N4Na4O13S4
Molecular Weight 759.89 g/mol
LogP -8.9914
Topological Polar Surface Area 298.47 Ų
Hydrogen Bond Donors 1
Hydrogen Bond Acceptors 17
Rotatable Bonds 8
Exact Mass 759.88745
Heavy Atoms 47
Complexity 2305.0498

Chemical Identifiers

CAS Number 18472-87-2
SMILES C1=CC(=CC=C1N=NC2=CC(=C(C=C2)N=NC3=C4C=CC(=CC4=CC(=C3O)S(=O)(=O)[O-])S(=O)(=O)[O-])S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+].[Na+].[Na+]

Product Overview

Ponceau S (CAS 18472-87-2), with molecular formula C22H12N4Na4O13S4 and molecular weight 759.89 g/mol. IUPAC: tetrasodium;3-hydroxy-4-[[2-sulfonato-4-[(4-sulfonatophenyl)diazenyl]phenyl]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 Ponceau S

XLogP
-8.9914
TPSA (Topological Polar Surface Area)
298.47
Hydrogen Bond Donors
1
Hydrogen Bond Acceptors
17
Rotatable Bonds
8
Heavy Atoms
47
Complexity
2305.0498
Exact Mass
759.88745
Monoisotopic Mass
759.88745
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 Ponceau S

The XLogP value of -8.9914 indicates that Ponceau S is hydrophilic (water-soluble), making it suitable for aqueous formulations and biological assay applications. The TPSA of 298.47 Ų indicates high polarity, suggesting Ponceau S may have limited membrane permeability but good aqueous solubility. Following Lipinski's Rule of Five, Ponceau S has 1 hydrogen bond donor(s) and 17 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 Ponceau S?

The CAS number of Ponceau S is 18472-87-2.

What is the molecular formula of Ponceau S?

The molecular formula of Ponceau S is C22H12N4Na4O13S4.

What is the molecular weight of Ponceau S?

The molecular weight of Ponceau S is 759.89 g/mol.

Where can I buy Ponceau S?

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

Does KEHONG BIO offer custom synthesis for Ponceau S?

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

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