Description

Acetyltriphenylsilane is a specialized organosilicon compound with the CAS registry number 4916-42-1. This chemical serves as a versatile intermediate and reagent, valued for its unique silicon-acetyl functional group which enables precise synthetic modifications. It is primarily utilized by research chemists and process development teams in the pharmaceutical, agrochemical, and advanced materials sectors for constructing complex molecular architectures and developing novel silicon-containing polymers.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and novel drug candidates, particularly where silicon is incorporated to modulate bioavailability and metabolic stability.
• Agrochemical Synthesis: Serves as a key building block for creating silicon-based pesticides, herbicides, and plant growth regulators with enhanced efficacy.
• Polymer & Material Science: Acts as a monomer or cross-linking agent in the production of specialty silicones, resins, and high-performance polymers with tailored thermal and mechanical properties.
• Organic Synthesis Reagent: Employed as a silylating or protecting agent in complex multi-step organic syntheses, facilitating selective reactions.
• Surface Modification: Used to derivatize surfaces (e.g., silica, glass) for chromatography, catalysis, or creating hydrophobic coatings.
• Electronics & Semiconductor Research: Investigated as a precursor for thin-film deposition and the development of novel organic electronic materials.

Basic Information

Product Name	Acetyltriphenylsilane
CAS No.	4916-42-1
Molecular Formula	C20H18OSi
Molecular Weight	302.44 g/mol
Synonyms	(Acetyloxy)triphenylsilane; Triphenylsilyl acetate; Silane, (acetyloxy)triphenyl-; Acetic acid, triphenylsilyl ester; Triphenylsilanol acetate; EINECS 225-540-0
EINECS	225-540-0

Quality Control

Our Acetyltriphenylsilane is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatographic purity assays and identity confirmation, to ensure it meets exacting standards for research and industrial use. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%

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