Description

Benzoyl Chloride, 3-(Trimethylsilyl)- (9Ci) is a specialized organosilicon reagent that combines the reactivity of an acid chloride with the protective and modifying properties of a silyl group. This compound is a critical building block in advanced organic synthesis, particularly for the protection of hydroxyl groups and the introduction of the benzoyl moiety under mild conditions. It is primarily utilized by research chemists and process development scientists in the pharmaceutical, agrochemical, and materials science industries for the synthesis of complex molecules and functional materials.

Application

• Pharmaceutical Intermediate: Key reagent in the synthesis of active pharmaceutical ingredients (APIs), especially for protecting sensitive functional groups during multi-step reactions.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators that require silicon-containing motifs.
• Polymer & Material Science: Serves as a monomer or modifying agent for creating specialty silicones, coatings, and polymers with tailored surface properties.
• Organic Synthesis Reagent: Employed as a benzoylating and silylating agent in academic and industrial research laboratories for constructing complex organic architectures.
• Liquid Crystal & OLED Material Production: A precursor in the manufacture of silicon-based compounds used in electronic displays and optoelectronic devices.
• Cross-Coupling Reactions: Functions as an electrophile in palladium-catalyzed cross-coupling reactions to form carbon-carbon bonds.

Basic Information

Product Name	Benzoyl Chloride, 3-(Trimethylsilyl)- (9Ci)
CAS No.	91413-57-9
Molecular Formula	C10H13ClOSi
Molecular Weight	212.75 g/mol
Synonyms	3-(Trimethylsilyl)benzoyl chloride; m-(Trimethylsilyl)benzoyl chloride; (3-Trimethylsilyl)benzoyl chloride; Benzoyl chloride, m-(trimethylsilyl)-; Benzoyl chloride, 3-(trimethylsilyl)-; 3-Trimethylsilylbenzoyl chloride; m-Trimethylsilylbenzoyl chloride; 91413-57-9
EINECS	Contact for details

Quality Control

Our Benzoyl Chloride, 3-(Trimethylsilyl)- (9Ci) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including NMR, HPLC, and GC analysis, to ensure high purity and consistency. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment. We support compliance with cGMP and ISO 9001 standards for research and development applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and reacts with strong acids/organic solvents. Keep away from heat, open flames, and incompatible materials such as bases, alcohols, and oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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