FD&C Yellow No. 2

dipotassium;5,7-dinitro-8-oxidonaphthalene-2-sulfonate

CAS: 549-34-8

Molecular Formula	`C10H4K2N2O8S`
Molecular Weight	390.41 g/mol
Topological Polar Surface Area	180.0 A2
Hydrogen Bond Donors	0
Hydrogen Bond Acceptors	8
Rotatable Bonds	0
Exact Mass	389.89624
Heavy Atoms	23
Complexity	519.0

Chemical Identifiers

CAS Number	549-34-8
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`

📖 Product Overview

FD&C Yellow No. 2 (CAS: 549-34-8) is a chemical compound with molecular formula C10H4K2N2O8S and molecular weight 390.41 g/mol. Its IUPAC systematic name is dipotassium;5,7-dinitro-8-oxidonaphthalene-2-sulfonate. Topological Polar Surface Area 180.0 A2 Hydrogen Bond Donors 0 Hydrogen Bond Acceptors 8 Rotatable Bonds 0 Exact Mass 389.89624 Heavy Atoms 23 Complexity 519.0 InChI Key: JEAVZHPHDNESJD-UHFFFAOYSA-L. SMILES: C1=CC2=C(C=C1S(=O)(=O)[O-])C(=C(C=C2[N+](=O)[O-])[N+](=O)[O-])[O-].[K+].[K+].

🧪

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 →

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.

📚 Academic Support

Scientific research papers and technical documentation supporting this product for informed procurement decisions.

📖

Technical Blog Article

Multi-source research profile: chemical properties, regulatory status, and sourcing guide for FD&C Yellow No. 2.

Browse Technical Blog →

No research papers found for this product yet.

We continuously update our academic references. Check back soon!