Description

1-Propanone,1-(3-Ethyl-3-Oxetanyl)-3-(Hydroxydimethylsilyl)-(9Ci) is a specialized organosilicon compound featuring a unique oxetane and ketone functional group architecture. This molecular structure is significant for its dual reactivity, making it a valuable high-performance intermediate in advanced material synthesis. It is primarily sought by R&D and production teams in the photoresist, polymer modification, and specialty coatings industries for developing next-generation products with enhanced properties.

Application

• Photoresist & Semiconductor Materials: Serves as a key monomer or cross-linking agent in chemically amplified photoresists for advanced lithography processes.
• UV-Curable Coatings & Inks: Used as a reactive diluent or modifier to enhance adhesion, flexibility, and curing speed in high-performance UV-curable systems.
• Specialty Polymer Synthesis: Acts as a functional monomer for introducing silyl and oxetane groups into polymer backbones, such as polyethers and acrylics, to tailor thermal and mechanical properties.
• Adhesive & Sealant Formulations: Incorporated to improve moisture resistance, thermal stability, and bonding strength in silicone-based and hybrid adhesive systems.
• Surface Modification Agent: Utilized to functionalize inorganic or organic surfaces, providing reactive sites for further chemical grafting or to alter surface energy.
• Pharmaceutical & Agro-chemical Intermediates: Employed in the synthesis of complex molecules requiring the specific oxetane or silyl-protected ketone functionality.

Basic Information

Product Name	1-Propanone,1-(3-Ethyl-3-Oxetanyl)-3-(Hydroxydimethylsilyl)-(9Ci)
CAS No.	503306-78-3
Molecular Formula	C10H20O3Si
Molecular Weight	216.35 g/mol
Synonyms	3-(Hydroxydimethylsilyl)-1-(3-ethyloxetan-3-yl)propan-1-one; 1-(3-Ethyl-3-oxetanyl)-3-(hydroxydimethylsilyl)-1-propanone; 3-(Dimethylhydroxysilyl)-1-(3-ethyloxetan-3-yl)propan-1-one; Oxetane-functional silane ketone; Hydroxydimethylsilyl propyl 3-ethyl-3-oxetanyl ketone; (3-Oxo-3-(3-ethyloxetan-3-yl)propyl)dimethylsilanol
EINECS	Contact for details

Quality Control

Every batch of 1-Propanone,1-(3-Ethyl-3-Oxetanyl)-3-(Hydroxydimethylsilyl)-(9Ci) is manufactured under strict quality management systems. We employ advanced analytical techniques including GC, HPLC, NMR, and FTIR to ensure identity, purity, and consistency. Certificates of Analysis (COA) with detailed batch-specific results are provided and can be tailored to meet specific customer or regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C/59-77°F). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed under a dry inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 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.