Description

Dimethyl 3,3'-(1,3-Dimethoxy-1,3-Dimethyl-1,3-Disiloxanediyl)Bis[2-Methylpropionate] is a specialized organosilicon compound featuring a unique disiloxane bridge functionalized with ester groups. This molecular architecture makes it a valuable high-performance intermediate for synthesizing advanced silicone polymers and hybrid organic-inorganic materials. It is primarily sought by R&D chemists and production specialists in the silicone, coatings, and advanced material sectors for its ability to impart specific properties like flexibility, adhesion, and thermal stability.

Application

• Silicone Polymer Modification: Acts as a key monomer or cross-linking agent in the synthesis of specialty silicones, enhancing mechanical and thermal properties.
• Hybrid Coating Formulations: Used to create silicone-organic hybrid resins for high-performance, weather-resistant, and anti-corrosive coatings.
• Adhesive & Sealant Production: Incorporated into formulations to improve adhesion to difficult substrates and elasticity in cured products.
• Release Coatings: Serves as a precursor for silicone-based release agents used in labels, tapes, and industrial molding.
• Pharmaceutical & Cosmetic Intermediates: Utilized in the synthesis of silicone derivatives for drug delivery systems or personal care product ingredients.
• Electronic Encapsulants: Contributes to the production of silicone gels and encapsulants that protect sensitive electronic components.

Basic Information

Product Name	Dimethyl 3,3'-(1,3-Dimethoxy-1,3-Dimethyl-1,3-Disiloxanediyl)Bis[2-Methylpropionate]
CAS No.	84962-96-9
Molecular Formula	C16H34O8Si2
Molecular Weight	410.61 g/mol
Synonyms	Bis(2-methylpropanoic acid) 3,3'-(1,3-dimethoxy-1,3-dimethyl-1,3-disiloxanediyl) diester; 1,3-Bis(3-carboxy-2-methylpropyl)-1,3-dimethoxy-1,3-dimethyl-disiloxane dimethyl ester; Disiloxane, 1,3-bis(3-methoxycarbonyl-2-methylpropyl)-1,3-dimethoxy-1,3-dimethyl-; Dimethyl 3,3'-(dimethoxydimethyldisiloxanediyl)bis(2-methylpropionate); (1,3-Dimethoxy-1,3-dimethyl-1,3-disiloxanediyl)bis(2-methylpropionic acid) dimethyl ester
EINECS	Contact for details

Quality Control

Our production of Dimethyl 3,3'-(1,3-Dimethoxy-1,3-Dimethyl-1,3-Disiloxanediyl)Bis[2-Methylpropionate] adheres to a rigorous quality management system. Each batch is analyzed to ensure it meets precise chemical and physical specifications, with purity typically exceeding 95% (by GC/HPLC). A comprehensive Certificate of Analysis (COA) detailing identity, assay, and impurity profiles is provided with every shipment to guarantee consistency and support your quality assurance protocols.

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 (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation by atmospheric moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.420 - 1.430
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.