Pentamethyldisiloxane structure

Pentamethyldisiloxane

TL;DR: Pentamethyldisiloxane (CAS 1438-82-0) is a chemical compound with molecular formula C5H16OSi2 and molecular weight 148.07 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.

dimethylsilyloxy(trimethyl)silane

Also Known As: Pentamethyldisiloxane, Dimethylsilyl ether, 1,1,1,3,3-Pentamethyldisiloxane, pentamethyl disiloxane, Disiloxane, pentamethyl-

CAS: 1438-82-0
Molecular Formula C5H16OSi2
Molecular Weight 148.07 g/mol
LogP 1.82
Topological Polar Surface Area 9.2 Ų
Hydrogen Bond Donors 0
Hydrogen Bond Acceptors 1
Rotatable Bonds 2
Exact Mass 148.07397
Heavy Atoms 8
Complexity 65.0

Chemical Identifiers

CAS Number 1438-82-0
SMILES C[SiH](C)O[Si](C)(C)C
InChIKey AOJHDNSYXUZCCE-UHFFFAOYSA-N

Patent-Derived Application Labels

Derived from 19 IPC patent classification(s) across the SureChEMBL global patent database.

Agrochemicals (4 patents) Analytical Reagents (9 patents) Biotechnology (2 patents) Catalysts (23 patents) Coatings & Adhesives (49 patents) +14 more

Product Overview

Pentamethyldisiloxane (CAS 1438-82-0), with molecular formula C5H16OSi2 and molecular weight 148.07 g/mol. IUPAC: dimethylsilyloxy(trimethyl)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.
View MSDS →

Chemical Property Profile of Pentamethyldisiloxane

XLogP
1.82
TPSA (Topological Polar Surface Area)
9.2
Hydrogen Bond Donors
0
Hydrogen Bond Acceptors
1
Rotatable Bonds
2
Heavy Atoms
8
Complexity
65.0
Exact Mass
148.07397
Monoisotopic Mass
148.07397
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 Pentamethyldisiloxane

The XLogP value of 1.82 suggests moderate lipophilicity, balancing water solubility and membrane permeability for Pentamethyldisiloxane. With a topological polar surface area (TPSA) of 9.2 Ų, Pentamethyldisiloxane exhibits relatively low polarity, potentially indicating favorable cell membrane permeability. Following Lipinski's Rule of Five, Pentamethyldisiloxane has 0 hydrogen bond donor(s) and 1 hydrogen bond acceptor(s), all within the drug-like range, suggesting favorable oral bioavailability potential.

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 Pentamethyldisiloxane?

The CAS number of Pentamethyldisiloxane is 1438-82-0.

What is the molecular formula of Pentamethyldisiloxane?

The molecular formula of Pentamethyldisiloxane is C5H16OSi2.

What is the molecular weight of Pentamethyldisiloxane?

The molecular weight of Pentamethyldisiloxane is 148.07 g/mol.

Where can I buy Pentamethyldisiloxane?

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

Does KEHONG BIO offer custom synthesis for Pentamethyldisiloxane?

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

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