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  • 440167 - (3-Glycidyloxypropyl)trimethoxysilane

440167 Aldrich



Synonym: 3-(2,3-Epoxypropoxy)propyltrimethoxysilane, GLYMO, Glycidyl 3-(trimethoxysilyl)propyl ether



Related Categories Chemical Synthesis, Materials Science, Micro/NanoElectronics, Organometallic Reagents, Organosilicon,
assay   ≥98%
form   liquid
refractive index   n20/D 1.429(lit.)
bp   120 °C/2 mmHg(lit.)
density   1.07 g/mL at 25 °C(lit.)


Frequently Asked Questions

Frequently Asked Questions are available for this Product.


Pre-treatment of carbon steel with 3-(Glycidoxypropyl)trimethoxysilane enhances the dry and wet adhesion while reducing the cathotic disbondment rate of an epoxy coating


1 L in glass bottle

100, 500 mL in Sure/Seal™

Price and Availability

LC-MS Grade Solvents and Reagents

Bulk Chemicals
Safety & Documentation

Safety Information

GHS05  GHS05
Signal word 
Hazard statements 
Precautionary statements 
NONH for all modes of transport
WGK Germany 
Flash Point(F) 
251.6 °F
Flash Point(C) 
122 °C

Frequently Asked Questions

Which document(s) contains shelf-life or expiration date information for a given product?
If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis. These documents are located on the product detail page under Useful Links & Tools. Click on the following link to search for a Certificate of Analysis. Please click the following link to see the details on our Product Dating Information.
How do I get lot-specific information or a Certificate of Analysis?
A Certificate of Analysis is available by lot number and can be obtained through our Advanced Search Option: http://www.sigmaaldrich.com/catalog/AdvancedSearchPage.do
Is Product 440167 (3-Glycidyloxypropyl)trimethoxysilane GLYMO, equivalent to Dow's Z-6040?
Yes. This listing is manufactured by Dow Corning Corporation and distributed by Sigma-Aldrich.
What can Product 440167, 3-Glycidyloxypropyl)trimethoxysilane GLYMO, be used for?
According to Dow Corning®, 3-GLYCIDOXYPROPYLTRIMETHOXYSILANE can be used as a coupling agent for many thermoset resins with glass or  mineral fillers. Specifically, it has been used as a reinforcement treatment on glass fiber to improve physical properties (especially wet strength) or as  an adhesion promoter to improve the bonding of a polymer coating or adhesive to glass, metals or other polymeric surfaces.
What is the viscosity of Product 440167 (3-Glycidyloxypropyl)trimethoxysilane GLYMO?
This material is a low viscosity liquid with an average value of about 3 centistokes. Please note that this value is not part of our specifications.
 Where can I find products similar to Product 440167 (3-Glycidyloxypropyl)trimethoxysilane GLYMO?
Other tri-alkoxy and greater silanes similar to product 440167 can be found at the link: https://www.sigmaaldrich.com/Area_of_Interest/Chemistry/Materials_Science/Micro_and_Nanoelectronics/Inks.html 
Where can I find more detailed information about how to use Product 440167. 3-Glycidyloxypropyl)trimethoxysilane, GLYMO, in adhesion/reinforcement applications?
Dow Corning® has published a technical bulletin on this product, which is available by calling Technical Service at 800-231-8327.
How do I find price and availability?
There are several ways to find pricing and availability for our products.  Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote.  USA customers:  1-800-325-3010 or view local office numbers. 
What is the Department of Transportation shipping information for this product?
Transportation information can be found in Section 14 of the product's (M)SDS. To access the shipping information for this material, use the link on the product detail page for the product, or search here. 
My question is not addressed here, how can I contact Technical Service for assistance?
Use the option to the right to "Ask a Question" by email of a Technical Service Scientist.
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Protocols & Articles


Synthesis of Melting Gels Using Mono-Substituted and Di-Substituted Alkoxysiloxanes

Hybrid organic-inorganic sol-gel materials containing silica were first called “ORMOSILs” in 1984.1 Since then, the number of hybrid organicinorganic combinations has increased rapidly.2 Hybrid mater...
Lisa C. Klein and Andrei Jitianu
Material Matters, Volume 7, Number 2, 8–14
Keywords: Absorption, Adhesion, Calorimetry, Combustion, Condensations, Deposition, Exothermic, Filtration, Materials Science, Melting, Oxidations, Polymerization reactions, Purification, Semiconductor, Sol-gel, Solar cells, Solvents, Spin coating, Substitutions, Thermal analysis

Peer-Reviewed Papers


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