Pentasiloxane, 1,1,1,3,5,5,7,9,9,9-decamethyl-3,7-diphenyl- structure

Pentasiloxane, 1,1,1,3,5,5,7,9,9,9-decamethyl-3,7-diphenyl-

TL;DR: Pentasiloxane, 1,1,1,3,5,5,7,9,9,9-decamethyl-3,7-diphenyl- (CAS 20252-66-8) is a chemical compound with molecular formula C22H40O4Si5 and molecular weight 508.18 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.

dimethyl-bis[(methyl-phenyl-trimethylsilyloxysilyl)oxy]silane

Also Known As: J1.608.991E, Pentasiloxane, 1,1,1,3,5,5,7,9,9,9-decamethyl-3,7-diphenyl-, dimethyl-bis[(methyl-phenyl-trimethylsilyloxysilyl)oxy]silane, 1,1,1,3,5,5,7,9,9,9-Decamethyl-3,7-diphenylpentasiloxane, dimethyl-bis[(methyl-phenyl-trimethylsilyloxy-silyl)oxy]silane

CAS: 20252-66-8
Molecular Formula C22H40O4Si5
Molecular Weight 508.18 g/mol
LogP 5.38
Topological Polar Surface Area 36.9 Ų
Hydrogen Bond Donors 0
Hydrogen Bond Acceptors 4
Rotatable Bonds 10
Exact Mass 508.1773
Heavy Atoms 31
Complexity 517.0

Chemical Identifiers

CAS Number 20252-66-8
SMILES C[Si](C)(C)O[Si](C)(C1=CC=CC=C1)O[Si](C)(C)O[Si](C)(C2=CC=CC=C2)O[Si](C)(C)C
InChIKey OUHCQGLOESWDSJ-UHFFFAOYSA-N

Product Overview

Pentasiloxane, 1,1,1,3,5,5,7,9,9,9-decamethyl-3,7-diphenyl- (CAS 20252-66-8), with molecular formula C22H40O4Si5 and molecular weight 508.18 g/mol. IUPAC: dimethyl-bis[(methyl-phenyl-trimethylsilyloxysilyl)oxy]silane.

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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.
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Chemical Property Profile of Pentasiloxane, 1,1,1,3,5,5,7,9,9,9-decamethyl-3,7-diphenyl-

XLogP
5.38
TPSA (Topological Polar Surface Area)
36.9
Hydrogen Bond Donors
0
Hydrogen Bond Acceptors
4
Rotatable Bonds
10
Heavy Atoms
31
Complexity
517.0
Exact Mass
508.1773
Monoisotopic Mass
508.1773
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 Pentasiloxane, 1,1,1,3,5,5,7,9,9,9-decamethyl-3,7-diphenyl-

The XLogP value of 5.38 indicates that Pentasiloxane, 1,1,1,3,5,5,7,9,9,9-decamethyl-3,7-diphenyl- is lipophilic (fat-soluble), which may influence its absorption, distribution, and formulation strategy. With a topological polar surface area (TPSA) of 36.9 Ų, Pentasiloxane, 1,1,1,3,5,5,7,9,9,9-decamethyl-3,7-diphenyl- exhibits relatively low polarity, potentially indicating favorable cell membrane permeability. Following Lipinski's Rule of Five, Pentasiloxane, 1,1,1,3,5,5,7,9,9,9-decamethyl-3,7-diphenyl- 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 Pentasiloxane, 1,1,1,3,5,5,7,9,9,9-decamethyl-3,7-diphenyl-?

The CAS number of Pentasiloxane, 1,1,1,3,5,5,7,9,9,9-decamethyl-3,7-diphenyl- is 20252-66-8.

What is the molecular formula of Pentasiloxane, 1,1,1,3,5,5,7,9,9,9-decamethyl-3,7-diphenyl-?

The molecular formula of Pentasiloxane, 1,1,1,3,5,5,7,9,9,9-decamethyl-3,7-diphenyl- is C22H40O4Si5.

What is the molecular weight of Pentasiloxane, 1,1,1,3,5,5,7,9,9,9-decamethyl-3,7-diphenyl-?

The molecular weight of Pentasiloxane, 1,1,1,3,5,5,7,9,9,9-decamethyl-3,7-diphenyl- is 508.18 g/mol.

Where can I buy Pentasiloxane, 1,1,1,3,5,5,7,9,9,9-decamethyl-3,7-diphenyl-?

You can request a quote for Pentasiloxane, 1,1,1,3,5,5,7,9,9,9-decamethyl-3,7-diphenyl- directly from KEHONG BIO. Contact us or email info@kehongbio.com for pricing and availability.

Does KEHONG BIO offer custom synthesis for Pentasiloxane, 1,1,1,3,5,5,7,9,9,9-decamethyl-3,7-diphenyl-?

Yes, KEHONG BIO provides custom synthesis services for Pentasiloxane, 1,1,1,3,5,5,7,9,9,9-decamethyl-3,7-diphenyl- and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.

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