Description

3,4-Methylenedioxyphenyltriethoxysilane is a specialized organosilicon coupling agent featuring a unique aromatic ring system. This compound is engineered to enhance the adhesion and compatibility between inorganic substrates and organic polymers, particularly in demanding environments. It is a critical raw material for manufacturers in the advanced composites, specialty coatings, and electronics industries seeking to improve material performance and durability.

Application

• As a key surface modification agent for glass, silica, and metal oxides to improve polymer adhesion.
• Used in the formulation of high-performance adhesives and sealants for enhanced moisture resistance and bond strength.
• As a functional monomer or crosslinker in the synthesis of specialty silicone resins and hybrid organic-inorganic materials.
• Employed in the production of fiber-reinforced composites to optimize the interface between reinforcing fibers and the polymer matrix.
• Utilized in electronic encapsulants and protective coatings to provide superior environmental protection for sensitive components.
• Acts as a coupling agent in mineral-filled plastics and rubber compounds to improve mechanical properties and filler dispersion.

Basic Information

Product Name	3,4-Methylenedioxyphenyltriethoxysilane
CAS No.	376353-50-3
Molecular Formula	C13H20O5Si
Molecular Weight	284.38 g/mol
Synonyms	3,4-(Methylenedioxy)phenyltriethoxysilane; 1,2-Methylenedioxy-4-(triethoxysilyl)benzene; 3,4-Methylenedioxyphenyltriethoxy Silane; (3,4-Methylenedioxyphenyl)triethoxysilane; 4-(Triethoxysilyl)-1,2-methylenedioxybenzene; MDOPTS; Contact for additional synonyms.
EINECS	Contact for details

Quality Control

Our 3,4-Methylenedioxyphenyltriethoxysilane is manufactured under strict quality management protocols. Each batch undergoes rigorous analytical testing, including assay by GC or HPLC and identity confirmation by FT-IR, to ensure high purity and consistent performance. Certificates of Analysis (COA) documenting all relevant specifications are available upon request to support your quality assurance processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); containers must be kept tightly sealed to exclude moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 97.0%
Refractive Index (n20D)	1.470 - 1.480
Density (20°C)	1.05 - 1.10 g/cm³

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.