Description

3,5-Bis-Trimethylsilanyl-Benzoic Acid is a high-purity, organosilicon-protected benzoic acid derivative, serving as a critical building block in advanced organic synthesis. Its value lies in the dual trimethylsilyl (TMS) groups, which act as protective moieties for sensitive functional groups, enabling complex multi-step reactions with high selectivity and yield. This compound is essential for researchers and process chemists in the pharmaceutical, agrochemical, and materials science industries who require reliable, high-quality intermediates for developing new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly where protection of carboxylic acid or aromatic systems is required.
• Agrochemical Synthesis: Used in the research and development of advanced pesticides and herbicides, leveraging its stability for constructing complex molecular architectures.
• Material Science Precursor: Serves as a monomer or functionalization agent in the development of specialty polymers, silicones, and advanced organic frameworks.
• Organic Synthesis Reagent: Employed in cross-coupling reactions, such as Suzuki or Stille couplings, where the TMS groups can be selectively manipulated.
• Liquid Crystal & OLED Research: Utilized as a synthetic intermediate for creating organic semiconductors and liquid crystal compounds due to its aromatic core and silyl modifications.
• Chemical Derivatization Agent: Acts as a protecting group reagent in complex multi-step synthetic pathways in academic and industrial R&D laboratories.

Basic Information

Product Name	3,5-Bis-Trimethylsilanyl-Benzoic Acid
CAS No.	125973-55-9
Molecular Formula	C13H22O2Si2
Molecular Weight	266.49 g/mol
Synonyms	3,5-Bis(trimethylsilyl)benzoic Acid; Benzoic acid, 3,5-bis(trimethylsilyl)-; 3,5-Di(trimethylsilyl)benzoic Acid; 3,5-Bis-TMS-benzoic Acid; 3,5-Bis(trimethylsilanyl)benzoic Acid; 125973-55-9; BTSBA
EINECS	Contact for details

Quality Control

Our 3,5-Bis-Trimethylsilanyl-Benzoic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and GC, to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled 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. Keep away from incompatible materials such as strong acids, bases, and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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