Description

3-Buten-2-One, 4-(Hydroxydimethylsilyl)-, (3E)- (9Ci) is a specialized organosilicon compound featuring a reactive silyl group and an α,β-unsaturated ketone moiety, making it a valuable bifunctional building block. This unique structure enables its use as a key intermediate in the synthesis of advanced silicone polymers and functional materials. It is particularly relevant for manufacturers in the silicone elastomer, adhesive, and specialty coating industries seeking to introduce specific cross-linking or surface-modifying properties.

Application

• Silicone Polymer Modification: Acts as a reactive monomer or cross-linker to introduce pendant or terminal functional groups into silicone chains, enhancing properties like adhesion or compatibility.
• Adhesive & Sealant Formulations: Used as a coupling agent or adhesion promoter in high-performance silicone and hybrid polymer-based adhesives and sealants.
• Surface Functionalization: Employed to graft organic functional groups onto inorganic surfaces (e.g., silica, glass) for improved dispersion in polymer matrices or to create specific surface chemistries.
• Specialty Coating Precursor: Serves as an intermediate in the synthesis of silicone resins and coatings that require tailored hydrophobicity, release, or mechanical properties.
• Pharmaceutical & Agro-chemical Intermediates: Utilized in the research and development of novel active ingredients where the silyl group acts as a protecting or directing group.
• Material Science Research: A key reagent for developing novel hybrid organic-inorganic materials, dendrimers, and controlled-release systems.

Basic Information

Product Name	3-Buten-2-One, 4-(Hydroxydimethylsilyl)-, (3E)- (9Ci)
CAS No.	439937-73-2
Molecular Formula	C6H12O2Si
Molecular Weight	144.24 g/mol
Synonyms	(3E)-4-(Hydroxydimethylsilyl)-3-buten-2-one; 4-(Dimethylhydroxysilyl)-3-buten-2-one (E)-; 1-(Dimethylhydroxysilyl)-1-buten-3-one; (E)-4-(Dimethylhydroxysilyl)but-3-en-2-one; 3-Buten-2-one, 4-(hydroxydimethylsilyl)-, (E)-; 439937-73-2; Hydroxydimethylsilyl butenone
EINECS	Contact for details

Quality Control

Our production of 3-Buten-2-One, 4-(Hydroxydimethylsilyl)-, (3E)- (9Ci) adheres to a strict quality management system. Each batch undergoes rigorous analytical testing, including chromatography (GC/HPLC) and spectroscopic methods (NMR, IR), to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all relevant specifications are provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This compound is hygroscopic (moisture-sensitive); containers must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation. Keep away from incompatible materials such as strong acids, bases, and oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 95.0% (Area %)
Water Content (KF)	≤ 0.5% w/w

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