Octaphenylcyclotetrasiloxane structure

Octaphenylcyclotetrasiloxane

TL;DR: Octaphenylcyclotetrasiloxane (CAS 546-56-5) is a chemical compound with molecular formula C48H40O4Si4 and molecular weight 792.20 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.

2,2,4,4,6,6,8,8-octakis-phenyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane

Also Known As: Octaphenylcyclotetrasiloxane, Cyclotetrasiloxane, octaphenyl-, Octaphenyltetracyclosiloxane, 2,2,4,4,6,6,8,8-Octaphenyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane, Ctaphenylcyclotetrasiloxane

CAS: 546-56-5
Molecular Formula C48H40O4Si4
Molecular Weight 792.20 g/mol
LogP 5.09
Topological Polar Surface Area 36.9 Ų
Hydrogen Bond Donors 0
Hydrogen Bond Acceptors 4
Rotatable Bonds 8
Exact Mass 792.2004
Heavy Atoms 56
Complexity 905.0
Boiling Point 330 °C @760 [mm Hg]

Chemical Identifiers

CAS Number 546-56-5
SMILES C1=CC=C(C=C1)[Si]2(O[Si](O[Si](O[Si](O2)(C3=CC=CC=C3)C4=CC=CC=C4)(C5=CC=CC=C5)C6=CC=CC=C6)(C7=CC=CC=C7)C8=CC=CC=C8)C9=CC=CC=C9
InChIKey VSIKJPJINIDELZ-UHFFFAOYSA-N

Patent-Derived Application Labels

Derived from 14 IPC patent classification(s) across the SureChEMBL global patent database.

Analytical Reagents (2 patents) Catalysts (96 patents) Coatings & Adhesives (42 patents) Electronic Chemicals (31 patents) Heterocyclic Building Blocks (2 patents) +9 more

Product Overview

Octaphenylcyclotetrasiloxane (CAS 546-56-5), with molecular formula C48H40O4Si4 and molecular weight 792.20 g/mol. IUPAC: 2,2,4,4,6,6,8,8-octakis-phenyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane.

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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 →

Chemical Property Profile of Octaphenylcyclotetrasiloxane

XLogP
5.09
TPSA (Topological Polar Surface Area)
36.9
Hydrogen Bond Donors
0
Hydrogen Bond Acceptors
4
Rotatable Bonds
8
Heavy Atoms
56
Complexity
905.0
Exact Mass
792.2004
Monoisotopic Mass
792.2004
Data Source: Chemical property values are referenced from PubChem, the world's largest open chemistry database maintained by the National Center for Biotechnology Information (NCBI), U.S. National Library of Medicine.

Property Insights of Octaphenylcyclotetrasiloxane

The XLogP value of 5.09 indicates that Octaphenylcyclotetrasiloxane is lipophilic (fat-soluble), which may influence its absorption, distribution, and formulation strategy. With a topological polar surface area (TPSA) of 36.9 Ų, Octaphenylcyclotetrasiloxane exhibits relatively low polarity, potentially indicating favorable cell membrane permeability. Following Lipinski's Rule of Five, Octaphenylcyclotetrasiloxane has 0 hydrogen bond donor(s) and 4 hydrogen bond acceptor(s), which may warrant consideration for formulation optimization.

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.

Frequently Asked Questions

What is the CAS number of Octaphenylcyclotetrasiloxane?

The CAS number of Octaphenylcyclotetrasiloxane is 546-56-5.

What is the molecular formula of Octaphenylcyclotetrasiloxane?

The molecular formula of Octaphenylcyclotetrasiloxane is C48H40O4Si4.

What is the molecular weight of Octaphenylcyclotetrasiloxane?

The molecular weight of Octaphenylcyclotetrasiloxane is 792.20 g/mol.

Where can I buy Octaphenylcyclotetrasiloxane?

You can request a quote for Octaphenylcyclotetrasiloxane directly from KEHONG BIO. Contact us or email info@kehongbio.com for pricing and availability.

Does KEHONG BIO offer custom synthesis for Octaphenylcyclotetrasiloxane?

Yes, KEHONG BIO provides custom synthesis services for Octaphenylcyclotetrasiloxane and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.

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