Description

3-[(2-Carboxyethyl-Dimethyl-Silyl)Oxy-Dimethyl-Silyl]Propanoic Acid is a specialized organosilicon compound featuring dual carboxylic acid functionalities linked by a siloxane bridge, making it a versatile bifunctional building block. This unique structure is critical for creating stable, covalent linkages between inorganic substrates and organic polymers or bioactive molecules. It is essential for manufacturers and R&D chemists in the advanced materials, life sciences, and electronics sectors who require precise surface modification and controlled functionalization.

Application

• Surface Modification Agent: Used to functionalize glass, silica, metals, and other inorganic surfaces to improve adhesion, wettability, and biocompatibility.
• Crosslinking Agent for Polymers: Serves as a reactive monomer or crosslinker in silicone-based polymers, hydrogels, and hybrid organic-inorganic composites to enhance mechanical and thermal properties.
• Bioconjugation and Immobilization: Enables the covalent attachment of proteins, enzymes, antibodies, or other biomolecules to solid supports for diagnostic assays, biosensors, and affinity chromatography.
• Adhesive and Sealant Formulations: Imparts improved bonding strength and environmental stability to high-performance adhesives, particularly for challenging substrates.
• Precursor for Silicone Synthesis: Acts as an intermediate in the synthesis of custom polysiloxanes with pendant carboxyl groups for tailored applications.
• Nanomaterial Functionalization: Used to modify nanoparticles (e.g., silica, quantum dots) to introduce carboxylic acid groups for further chemical grafting or dispersion stabilization.

Basic Information

Product Name	3-[(2-Carboxyethyl-Dimethyl-Silyl)Oxy-Dimethyl-Silyl]Propanoic Acid
CAS No.	4608-02-0
Molecular Formula	C10H22O5Si2
Molecular Weight	278.45 g/mol
Synonyms	3-[2-Carboxyethyl(dimethyl)silyl]oxy-dimethylsilyl]propanoic Acid; Bis(2-carboxyethyl)dimethylsiloxane; 3,3'-(Dimethylsilanediyl)bis(propanoic acid); 3-[Dimethyl(3-carboxypropyl)silyl]oxy-dimethylsilyl]propanoic Acid; Carboxypropyl-terminated dimethylsiloxane; Silane, bis(2-carboxyethyl)dimethyl-; Disiloxane, 1,1,3,3-tetramethyl-1,3-bis(2-carboxyethyl)-
EINECS	Contact for details

Quality Control

Our production of 3-[(2-Carboxyethyl-Dimethyl-Silyl)Oxy-Dimethyl-Silyl]Propanoic Acid adheres to stringent quality management protocols. Each batch undergoes rigorous analytical testing, including assay (HPLC), identification (IR/NMR), and impurity profiling, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment. We support compliance with global regulatory frameworks, including REACH.

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). Due to its hygroscopic nature, the container must be kept tightly sealed after opening to minimize exposure to atmospheric moisture. For long-term storage, consider using desiccants or an inert atmosphere.

Specification

Item	Specification
Appearance	Colorless to pale yellow viscous liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 1.0%

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