Eosin
TL;DR: Eosin (CAS 17372-87-1) is a chemical compound with molecular formula C20H6Br4Na2O5 and molecular weight 687.67444 g/mol, supplied by CoreyChem (Career Henan Chemical Co., Ltd.) with ISO-certified quality and global shipping.
伊红
disodium;2-(2,4,5,7-tetrabromo-3-oxido-6-oxoxanthen-9-yl)benzoate
Also Known As: Eosin, Acid red 87, Eosin yellowish, Eosin Y, Eosine
Application Areas
Top 5 of 22 IPC patent classification(s) from the SureChEMBL global patent database.
Technical Specifications
| Molecular Formula | C20H6Br4Na2O5 |
| Molecular Weight | 687.67444 g/mol |
| XLogP | -0.94 |
| Topological Polar Surface Area (TPSA) | 89.5 Ų |
| Hydrogen Bond Donors | 0 |
| Hydrogen Bond Acceptors | 5 |
| Rotatable Bonds | 1 |
| Exact Mass | 691.6703 Da |
| Heavy Atoms | 31 |
| Complexity | 796.0 |
| Melting Point | 572 °F (decomposes) (NTP, 1992) |
| Solubility | greater than or equal to 100 mg/mL at 70 °F (NTP, 1992) |
| SMILES | C1=CC=C(C(=C1)C2=C3C=C(C(=O)C(=C3OC4=C(C(=C(C=C24)Br)[O-])Br)Br)Br)C(=O)[O-].[Na+].[Na+] |
| InChIKey | SEACYXSIPDVVMV-UHFFFAOYSA-L |
Product Description
Applications: Eosin is used in pharmaceutical synthesis routes and API production, as well as biotechnology workflows and life-science research. 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).
Eosin is a pharmaceutical intermediate identified by CAS number 17372-87-1 and the molecular formula C20H6Br4Na2O5 and a molecular weight of 687.67 g/mol. Physically, the compound has a solubility: greater than or equal to 100 mg/mL at 70 °F (NTP, 1992). Synonyms include Eosin and Acid red 87.
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.
Chemical Property Profile of Eosin
Property Insights of Eosin
The XLogP value of -0.94 indicates that Eosin is hydrophilic (water-soluble), making it suitable for aqueous formulations and biological assay applications. The TPSA of 89.5 Ų falls within the moderate polarity range, balancing permeability and solubility for Eosin. Following Lipinski's Rule of Five, Eosin has 0 hydrogen bond donor(s) and 5 hydrogen bond acceptor(s), which may warrant consideration for formulation optimization.
Frequently Asked Questions
What is the CAS number of Eosin?
The CAS number of Eosin is 17372-87-1.
What is the molecular formula of Eosin?
The molecular formula of Eosin is C20H6Br4Na2O5.
What is the molecular weight of Eosin?
The molecular weight of Eosin is 687.67444 g/mol.
What are the applications of Eosin?
Eosin is used in pharmaceutical synthesis routes and API production, as well as biotechnology workflows and life-science research. 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),...
Where can I buy Eosin?
You can request a quote for Eosin directly from CoreyChem. Contact us or email [email protected] for pricing and availability.
Does CoreyChem offer custom synthesis for Eosin?
Yes, CoreyChem provides custom synthesis services for Eosin and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.