Trimethyl pentaphenyl trisiloxane structure

Trimethyl pentaphenyl trisiloxane

TL;DR: Trimethyl pentaphenyl trisiloxane (CAS 3390-61-2) is a chemical compound with molecular formula C33H34O2Si3 and molecular weight 546.19 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.

methyl-bis[[methyl(diphenyl)silyl]oxy]-phenylsilane

Also Known As: Dow Corning 555, Dow Corning 705, 1,3,5-Trimethyl-1,1,3,5,5-pentaphenyltrisiloxane, Trimethyl pentaphenyl trisiloxane, Pentaphenyltrimethyltrisiloxane

CAS: 3390-61-2
Molecular Formula C33H34O2Si3
Molecular Weight 546.19 g/mol
LogP 4.78
Topological Polar Surface Area 18.5 Ų
Hydrogen Bond Donors 0
Hydrogen Bond Acceptors 2
Rotatable Bonds 9
Exact Mass 546.18665
Heavy Atoms 38
Complexity 615.0

Chemical Identifiers

CAS Number 3390-61-2
SMILES C[Si](C1=CC=CC=C1)(C2=CC=CC=C2)O[Si](C)(C3=CC=CC=C3)O[Si](C)(C4=CC=CC=C4)C5=CC=CC=C5
InChIKey PHLASVAENYNAOW-UHFFFAOYSA-N

Patent-Derived Application Labels

Derived from 9 IPC patent classification(s) across the SureChEMBL global patent database.

Catalysts (3 patents) Dyes & Pigments (1 patents) Electronic Chemicals (6 patents) Heterocyclic Building Blocks (1 patents) Organic Building Blocks (6 patents) +4 more

Product Overview

Trimethyl pentaphenyl trisiloxane (CAS 3390-61-2), with molecular formula C33H34O2Si3 and molecular weight 546.19 g/mol. IUPAC: methyl-bis[[methyl(diphenyl)silyl]oxy]-phenylsilane.

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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 Trimethyl pentaphenyl trisiloxane

XLogP
4.78
TPSA (Topological Polar Surface Area)
18.5
Hydrogen Bond Donors
0
Hydrogen Bond Acceptors
2
Rotatable Bonds
9
Heavy Atoms
38
Complexity
615.0
Exact Mass
546.18665
Monoisotopic Mass
546.18665
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 Trimethyl pentaphenyl trisiloxane

The XLogP value of 4.78 indicates that Trimethyl pentaphenyl trisiloxane is lipophilic (fat-soluble), which may influence its absorption, distribution, and formulation strategy. With a topological polar surface area (TPSA) of 18.5 Ų, Trimethyl pentaphenyl trisiloxane exhibits relatively low polarity, potentially indicating favorable cell membrane permeability. Following Lipinski's Rule of Five, Trimethyl pentaphenyl trisiloxane has 0 hydrogen bond donor(s) and 2 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 Trimethyl pentaphenyl trisiloxane?

The CAS number of Trimethyl pentaphenyl trisiloxane is 3390-61-2.

What is the molecular formula of Trimethyl pentaphenyl trisiloxane?

The molecular formula of Trimethyl pentaphenyl trisiloxane is C33H34O2Si3.

What is the molecular weight of Trimethyl pentaphenyl trisiloxane?

The molecular weight of Trimethyl pentaphenyl trisiloxane is 546.19 g/mol.

Where can I buy Trimethyl pentaphenyl trisiloxane?

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

Does KEHONG BIO offer custom synthesis for Trimethyl pentaphenyl trisiloxane?

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

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