TL;DR: FD&C Yellow No. 2 (CAS 549-34-8) is a chemical compound with molecular formula C10H4K2N2O8S and molecular weight 389.89624 g/mol, supplied by CoreyChem (Career Henan Chemical Co., Ltd.) with ISO-certified quality and global shipping.
dipotassium;5,7-dinitro-8-oxidonaphthalene-2-sulfonate
Also Known As: Sulfur Yellow S, Naphthol Yellow S, Dipotassium flavianate, FD&C Yellow No. 2, FD and C Yellow No. 2
| Molecular Formula | C10H4K2N2O8S |
| Molecular Weight | 389.89624 g/mol |
| XLogP | -5.36 |
| Topological Polar Surface Area (TPSA) | 180.0 Ų |
| Hydrogen Bond Donors | 0 |
| Hydrogen Bond Acceptors | 8 |
| Rotatable Bonds | 0 |
| Exact Mass | 389.89624 Da |
| Heavy Atoms | 23 |
| Complexity | 519.0 |
| SMILES | C1=CC2=C(C=C1S(=O)(=O)[O-])C(=C(C=C2[N+](=O)[O-])[N+](=O)[O-])[O-].[K+].[K+] |
| InChIKey | JEAVZHPHDNESJD-UHFFFAOYSA-L |
Applications: FD&C Yellow No. 2 is used in organic synthesis and process chemistry. It commonly serves as a versatile building block for organic synthesis. Available from CoreyChem as both catalog item and custom-synthesis project (mg to ton scale), with full analytical documentation (COA, MSDS, HPLC, NMR, MS).
FD&C Yellow No. 2 (CAS 549-34-8) is a fine chemical with the molecular formula C10H4K2N2O8S and a molecular weight of 389.9 g/mol. Synonyms include Sulfur Yellow S and Naphthol Yellow S.
Custom synthesis and full analytical documentation (COA/MSDS) are available from CoreyChem. Request a quotation with your required quantity and purity for current lead time and pricing.
The XLogP value of -5.36 indicates that FD&C Yellow No. 2 is hydrophilic (water-soluble), making it suitable for aqueous formulations and biological assay applications. The TPSA of 180.0 Ų indicates high polarity, suggesting FD&C Yellow No. 2 may have limited membrane permeability but good aqueous solubility. Following Lipinski's Rule of Five, FD&C Yellow No. 2 has 0 hydrogen bond donor(s) and 8 hydrogen bond acceptor(s), all within the drug-like range, suggesting favorable oral bioavailability potential.
The CAS number of FD&C Yellow No. 2 is 549-34-8.
The molecular formula of FD&C Yellow No. 2 is C10H4K2N2O8S.
The molecular weight of FD&C Yellow No. 2 is 389.89624 g/mol.
FD&C Yellow No. 2 is used in organic synthesis and process chemistry. It commonly serves as a versatile building block for organic synthesis. Available from CoreyChem as both catalog item and custom-synthesis project (mg to ton scale), with full analytical documentation (COA, MSDS, HPLC, NMR, MS).
You can request a quote for FD&C Yellow No. 2 directly from CoreyChem. Contact us or email [email protected] for pricing and availability.
Yes, CoreyChem provides custom synthesis services for FD&C Yellow No. 2 and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.
Request a quote for CAS 549-34-8. Our professional technical team will respond with pricing and lead time.