Trimethylsilyl stearate structure

Trimethylsilyl stearate

trimethylsilyl octadecanoate

Also Known As: Trimethylsilyl stearate|trimethylsilyl octadecanoate|Stearoxytrimethylsilane|Trimethylsilylstearate|Stearic acid, trimethylsilyl ester|stearic acid tms ester|Octadecanoic acid, TMS|Stearic acid trimethylsilyl|Octadecanoic acid, trimethylsilyl ester|Trimethyl(octadecyloxy)silane|Octadecanoic acid, TMS ester|Silane, trimethyl(octadecyloxy)-|Stearic acid, TMS derivative|SIO 118|Octadecanoic acid trimethylsilyl|Octadecanoic acid,trimethylsilyl ester|EINECS 242-553-2|Stearic acid trimethylsilyl ester|SILANE, TRIMETHYL-, STEARATE|Trimethylsilyl ester of Octadecanoic acid|OCTADECANOIC ACID TRIMETHYLSILYL ESTER|242-553-2

CAS: 18748-91-9
Molecular Formula C21H44O2Si
Molecular Weight 356.31107 g/mol
LogP 7.63
Topological Polar Surface Area 26.3 Ų
Hydrogen Bond Donors 0
Hydrogen Bond Acceptors 2
Rotatable Bonds 17
Exact Mass 356.31107
Heavy Atoms 24
Complexity 284.1

Chemical Identifiers

CAS Number 18748-91-9
SMILES CCCCCCCCCCCCCCCCCC(=O)O[Si](C)(C)C

Product Overview

Trimethylsilyl stearate (CAS 18748-91-9), with molecular formula C21H44O2Si and molecular weight 356.31107 g/mol. IUPAC: trimethylsilyl octadecanoate.

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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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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.

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