TL;DR: Hexadecamethylcyclooctasiloxane (CAS 556-68-3) is a chemical compound with molecular formula C16H48O8Si8 and molecular weight 592.1503 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-hexadecamethyl-1,3,5,7,9,11,13,15-octaoxa-2,4,6,8,10,12,14,16-octasilacyclohexadecane
Also Known As: HEXADECAMETHYLCYCLOOCTASILOXANE, Cyclooctasiloxane, hexadecamethyl-, CYCLOMETHICONE 8, Hexadecamethyl-cyclooctasioxane, hexadecamethyl-cyclooctasiloxane
Top 5 of 9 IPC patent classification(s) from the SureChEMBL global patent database.
| Molecular Formula | C16H48O8Si8 |
| Molecular Weight | 592.1503 g/mol |
| XLogP | 5.75 |
| Topological Polar Surface Area (TPSA) | 73.8 Ų |
| Hydrogen Bond Donors | 0 |
| Hydrogen Bond Acceptors | 8 |
| Rotatable Bonds | 0 |
| Exact Mass | 592.1503 Da |
| Heavy Atoms | 32 |
| Complexity | 450.0 |
| SMILES | C[Si]1(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 |
| InChIKey | XKJMJYZFAWYREL-UHFFFAOYSA-N |
Applications: Hexadecamethylcyclooctasiloxane is used in polymer chemistry and functional materials synthesis, as well as lubricant and fuel additive formulations. 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).
A polymer intermediate supplied by CoreyChem, Hexadecamethylcyclooctasiloxane (CAS 556-68-3) has the molecular formula C16H48O8Si8 and a molecular weight of 592.15 g/mol. Synonyms include HEXADECAMETHYLCYCLOOCTASILOXANE and Cyclooctasiloxane, hexadecamethyl-.
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 5.75 indicates that Hexadecamethylcyclooctasiloxane is lipophilic (fat-soluble), which may influence its absorption, distribution, and formulation strategy. The TPSA of 73.8 Ų falls within the moderate polarity range, balancing permeability and solubility for Hexadecamethylcyclooctasiloxane. Following Lipinski's Rule of Five, Hexadecamethylcyclooctasiloxane has 0 hydrogen bond donor(s) and 8 hydrogen bond acceptor(s), which may warrant consideration for formulation optimization.
The CAS number of Hexadecamethylcyclooctasiloxane is 556-68-3.
The molecular formula of Hexadecamethylcyclooctasiloxane is C16H48O8Si8.
The molecular weight of Hexadecamethylcyclooctasiloxane is 592.1503 g/mol.
Hexadecamethylcyclooctasiloxane is used in polymer chemistry and functional materials synthesis, as well as lubricant and fuel additive formulations. It commonly serves as a versatile building block for organic synthesis. Available from CoreyChem as both catalog item and custom-synthesis project...
You can request a quote for Hexadecamethylcyclooctasiloxane directly from CoreyChem. Contact us or email [email protected] for pricing and availability.
Yes, CoreyChem provides custom synthesis services for Hexadecamethylcyclooctasiloxane and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.
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