Description

Benzoic Acid,4,4'-(Dimethylsilylene)Bis- is a specialized organosilicon compound that serves as a versatile building block and intermediate in advanced material synthesis. Its unique molecular structure, featuring a central silicon atom bridging two benzoic acid moieties, provides valuable properties for creating polymers and functional materials with tailored characteristics. This compound is primarily utilized by R&D chemists and process engineers in the pharmaceutical, agrochemical, and specialty polymer industries for applications requiring precise molecular architecture.

Application

• Pharmaceutical Intermediate: Used in the synthesis of novel active pharmaceutical ingredients (APIs) and prodrugs, particularly where silicon incorporation is desired for metabolic stability.
• Polymer & Resin Modifier: Acts as a monomer or cross-linking agent in the production of high-performance silicones, epoxy resins, and polyesters, enhancing thermal and mechanical properties.
• Agrochemical Synthesis: Serves as a key precursor for developing new generation herbicides, fungicides, and plant growth regulators with improved efficacy.
• Material Science Research: Employed in academic and industrial R&D for creating hybrid organic-inorganic materials, dendrimers, and metal-organic frameworks (MOFs).
• Adhesive & Coating Formulations: Incorporated into specialty adhesive and coating systems to improve adhesion, chemical resistance, and durability.
• Liquid Crystal & OLED Materials: Used in the development of advanced display and optoelectronic materials due to its rigid, aromatic structure.

Basic Information

Item	Details
Product Name	Benzoic Acid,4,4'-(Dimethylsilylene)Bis-
CAS No.	17003-01-9
Molecular Formula	C16H16O4Si
Molecular Weight	300.38 g/mol
Synonyms	4,4'-(Dimethylsilylene)dibenzoic Acid; Bis(4-carboxyphenyl)dimethylsilane; Dimethylbis(4-carboxyphenyl)silane; DMS-BA; [4-(Dimethylsilyl)benzoic acid] dimer; Silane, dimethylbis(4-carboxyphenyl)-; 4-Carboxyphenyldimethylsilylbenzoic Acid
EINECS	Contact for details

Quality Control

Our Benzoic Acid,4,4'-(Dimethylsilylene)Bis- is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and spectroscopic identification (FT-IR, NMR), to ensure it meets precise customer specifications and internal standards. Comprehensive Certificates of Analysis (COA) documenting all critical parameters are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from strong oxidizing agents, strong bases, and moisture. For long-term storage, consider using an inert atmosphere to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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