FD&C Red 4
TL;DR: FD&C Red 4 (CAS 4548-53-2) is a chemical compound with molecular formula C18H14N2Na2O7S2 and molecular weight 480.00 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.
disodium;3-[(2,4-dimethyl-5-sulfonatophenyl)diazenyl]-4-hydroxynaphthalene-1-sulfonate
Also Known As: Ponceau SX, Food red 1, C.I. Food Red 1, Crimson 4R, Ponceau SX Lake
| Molecular Formula | C18H14N2Na2O7S2 |
|---|---|
| Molecular Weight | 480.00 g/mol |
| LogP | -2.61 |
| Topological Polar Surface Area | 176.0 Ų |
| Hydrogen Bond Donors | 1 |
| Hydrogen Bond Acceptors | 9 |
| Rotatable Bonds | 2 |
| Exact Mass | 480.00378 |
| Heavy Atoms | 31 |
| Complexity | 791.0 |
Chemical Identifiers
| CAS Number | 4548-53-2 |
|---|---|
| SMILES | CC1=CC(=C(C=C1N=NC2=C(C3=CC=CC=C3C(=C2)S(=O)(=O)[O-])O)S(=O)(=O)[O-])C.[Na+].[Na+] |
| InChIKey | ONTQJDKFANPPKK-UHFFFAOYSA-L |
Patent-Derived Application Labels
Derived from 14 IPC patent classification(s) across the SureChEMBL global patent database.
Product Overview
FD&C Red 4 (CAS 4548-53-2), with molecular formula C18H14N2Na2O7S2 and molecular weight 480.00 g/mol. IUPAC: disodium;3-[(2,4-dimethyl-5-sulfonatophenyl)diazenyl]-4-hydroxynaphthalene-1-sulfonate.
Chemical Property Profile of FD&C Red 4
Property Insights of FD&C Red 4
The XLogP value of -2.61 indicates that FD&C Red 4 is hydrophilic (water-soluble), making it suitable for aqueous formulations and biological assay applications. The TPSA of 176.0 Ų indicates high polarity, suggesting FD&C Red 4 may have limited membrane permeability but good aqueous solubility. Following Lipinski's Rule of Five, FD&C Red 4 has 1 hydrogen bond donor(s) and 9 hydrogen bond acceptor(s), all within the drug-like range, suggesting favorable oral bioavailability potential.
Frequently Asked Questions
Frequently Asked Questions
What is the CAS number of FD&C Red 4?
The CAS number of FD&C Red 4 is 4548-53-2.
What is the molecular formula of FD&C Red 4?
The molecular formula of FD&C Red 4 is C18H14N2Na2O7S2.
What is the molecular weight of FD&C Red 4?
The molecular weight of FD&C Red 4 is 480.00 g/mol.
Where can I buy FD&C Red 4?
You can request a quote for FD&C Red 4 directly from KEHONG BIO. Contact us or email info@kehongbio.com for pricing and availability.
Does KEHONG BIO offer custom synthesis for FD&C Red 4?
Yes, KEHONG BIO provides custom synthesis services for FD&C Red 4 and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.