Octadecamethylcyclononasiloxane
TL;DR: Octadecamethylcyclononasiloxane (CAS 556-71-8) is a chemical compound with molecular formula C18H54O9Si9 and molecular weight 666.1691 g/mol, supplied by CoreyChem (Career Henan Chemical Co., Ltd.) with ISO-certified quality and global shipping.
2,2,4,4,6,6,8,8,10,10,12,12,14,14,16,16,18,18-octadecamethyl-1,3,5,7,9,11,13,15,17-nonaoxa-2,4,6,8,10,12,14,16,18-nonasilacyclooctadecane
Also Known As: OCTADECAMETHYLCYCLONONASILOXANE, Cyclononasiloxane, octadecamethyl-, Octadecamethylnonasiloxane, CYCLOMETHICONE 9, Octadeamethyl-cyclononasiloxane
Application Areas
Top 5 of 3 IPC patent classification(s) from the SureChEMBL global patent database.
Technical Specifications
| Molecular Formula | C18H54O9Si9 |
| Molecular Weight | 666.1691 g/mol |
| XLogP | 6.47 |
| Topological Polar Surface Area (TPSA) | 83.1 Ų |
| Hydrogen Bond Donors | 0 |
| Hydrogen Bond Acceptors | 9 |
| Rotatable Bonds | 0 |
| Exact Mass | 666.1691 Da |
| Heavy Atoms | 36 |
| Complexity | 517.0 |
| SMILES | C[Si]1(O[Si](O[Si](O[Si](O[Si](O[Si](O[Si](O[Si](O[Si](O1)(C)C)(C)C)(C)C)(C)C)(C)C)(C)C)(C)C)(C)C)C |
| InChIKey | ISXOGOLHEGHGQF-UHFFFAOYSA-N |
Product Description
Applications: Octadecamethylcyclononasiloxane is used in textile processing, dyeing, and finishing operations, as well as polymer chemistry and functional materials synthesis. 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).
Octadecamethylcyclononasiloxane (CAS 556-71-8) is a textile auxiliary chemical with the molecular formula C18H54O9Si9 and a molecular weight of 666.17 g/mol. Synonyms include OCTADECAMETHYLCYCLONONASILOXANE and Cyclononasiloxane, octadecamethyl-.
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 Octadecamethylcyclononasiloxane
Property Insights of Octadecamethylcyclononasiloxane
The XLogP value of 6.47 indicates that Octadecamethylcyclononasiloxane is lipophilic (fat-soluble), which may influence its absorption, distribution, and formulation strategy. The TPSA of 83.1 Ų falls within the moderate polarity range, balancing permeability and solubility for Octadecamethylcyclononasiloxane. Following Lipinski's Rule of Five, Octadecamethylcyclononasiloxane has 0 hydrogen bond donor(s) and 9 hydrogen bond acceptor(s), which may warrant consideration for formulation optimization.
Frequently Asked Questions
What is the CAS number of Octadecamethylcyclononasiloxane?
The CAS number of Octadecamethylcyclononasiloxane is 556-71-8.
What is the molecular formula of Octadecamethylcyclononasiloxane?
The molecular formula of Octadecamethylcyclononasiloxane is C18H54O9Si9.
What is the molecular weight of Octadecamethylcyclononasiloxane?
The molecular weight of Octadecamethylcyclononasiloxane is 666.1691 g/mol.
What are the applications of Octadecamethylcyclononasiloxane?
Octadecamethylcyclononasiloxane is used in textile processing, dyeing, and finishing operations, as well as polymer chemistry and functional materials synthesis. It commonly serves as a versatile building block for organic synthesis. Available from CoreyChem as both catalog item and...
Where can I buy Octadecamethylcyclononasiloxane?
You can request a quote for Octadecamethylcyclononasiloxane directly from CoreyChem. Contact us or email [email protected] for pricing and availability.
Does CoreyChem offer custom synthesis for Octadecamethylcyclononasiloxane?
Yes, CoreyChem provides custom synthesis services for Octadecamethylcyclononasiloxane and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.