Description

Dimethylphenylsilanol is a versatile organosilicon intermediate characterized by its reactive silanol (Si-OH) group and stable phenyl substituent. This compound is crucial for introducing dimethylphenylsilyl groups into target molecules, enabling the synthesis of advanced materials with tailored properties. It is primarily sought after by manufacturers in the silicone polymer, pharmaceutical, and specialty chemical industries for its role as a building block and surface modifying agent.

Application

• Silicone Resin & Polymer Modification: Acts as a key monomer or chain terminator in the synthesis of phenyl-containing silicone resins, enhancing thermal stability, refractive index, and compatibility with organic matrices.
• Pharmaceutical Intermediates: Utilized in the protection/deprotection of alcohols or as a precursor for silylating agents in the synthesis of active pharmaceutical ingredients (APIs).
• Surface Treatment & Coupling Agents: Serves as a precursor for creating hydrophobic or release coatings on glass, metals, and minerals, improving adhesion and moisture resistance.
• Specialty Silicone Fluids & Elastomers: Incorporated to modify the physical properties of silicone oils and rubbers, such as increasing solubility in organic solvents or altering mechanical characteristics.
• Adhesive & Sealant Formulations: Used as an additive or cross-linking agent to enhance the performance, durability, and environmental resistance of high-performance adhesives and sealants.
• Laboratory Reagent: Employed as a versatile silylation reagent in organic synthesis and analytical chemistry for derivatization purposes.

Basic Information

Product Name	Dimethylphenylsilanol
CAS No.	18419-84-6
Molecular Formula	C8H12OSi
Molecular Weight	152.27 g/mol
Synonyms	Dimethyl(phenyl)silanol; Hydroxydimethylphenylsilane; Phenyl(dimethyl)silanol; Dimethylhydroxyphenylsilane; (Dimethylhydroxysilyl)benzene; DMPS; Silanol, dimethylphenyl-; NSC 163083
EINECS	242-300-9

Quality Control

Our Dimethylphenylsilanol is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing, including assay and impurity profiling by GC/HPLC, to ensure it meets high-purity standards suitable for demanding industrial and research applications. A Certificate of Analysis (COA) detailing specific results is provided with each shipment to guarantee traceability and consistent quality.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). The product is moisture-sensitive (hygroscopic); keep the container tightly sealed when not in use to prevent degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%

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