Description

Carbonic Acid Bis[3-[Methyldimethoxysilyl]Propyl] Ester is a specialized organosilicon compound that serves as a versatile coupling agent and crosslinker in advanced material formulations. Its molecular structure, featuring both carbonate and alkoxysilane functionalities, enables it to bridge organic and inorganic phases, enhancing adhesion, durability, and performance in composite systems. This product is essential for manufacturers in the silicone rubber, adhesive, sealant, and specialty coating industries seeking to improve material properties and processing stability.

Application

• As a crosslinking agent in the production of high-performance silicone elastomers and RTV (Room Temperature Vulcanizing) silicone rubbers.
• As a coupling agent in mineral-filled composites and fiber-reinforced plastics to improve interfacial adhesion and mechanical strength.
• As a key intermediate in the synthesis of modified silanes for adhesive and sealant formulations, enhancing moisture resistance and bond strength.
• For surface treatment of fillers (e.g., silica, glass fibers) to improve dispersion and compatibility within polymer matrices.
• In the development of specialty coatings and primers that require enhanced substrate wetting and chemical resistance.
• As a potential component in encapsulation materials for electronics, providing environmental protection and stress relief.

Basic Information

Product Name	Carbonic Acid Bis[3-[Methyldimethoxysilyl]Propyl] Ester
CAS No.	94238-47-8
Molecular Formula	C13H30O8Si2
Molecular Weight	370.55 g/mol
Synonyms	Bis(3-methyldimethoxysilylpropyl) carbonate; Carbonato de bis[3-(metildimetoxisilil)propilo] (Spanish); 3,3'-(Carbonylbis(oxy))bis(N,N-dimethyl-1-propanamine) bis-silane derivative; Propyl carbonate bridged silane; SCA-303 (potential trade name); Silane coupling agent 94238-47-8; Bis(trimethoxysilylpropyl) carbonate analog; Methyldimethoxysilylpropyl carbonate dimer
EINECS	Contact for details

Quality Control

Our production of Carbonic Acid Bis[3-[Methyldimethoxysilyl]Propyl] Ester adheres to stringent quality management protocols to ensure batch-to-batch consistency and reliability. Each lot is analyzed using advanced techniques including GC, HPLC, and NMR to verify identity, purity, and absence of critical impurities. A comprehensive Certificate of Analysis (COA) detailing all specification parameters is provided with every shipment, ensuring full traceability and compliance with your material requirements.

Storage

Preserve in a tightly closed container, protected from light. This material is hygroscopic (moisture-sensitive) and must be stored in a cool, dry place with low humidity. Recommended storage temperature is between 15°C and 25°C (59°F and 77°F). Keep the container tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation from moisture absorption. Store away from incompatible materials such as strong acids, bases, and oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 95.0%
Water Content (KF)	≤ 0.5%
Refractive Index (20°C)	1.420 - 1.430
Density (20°C)	1.05 - 1.15 g/cm³

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