Description

Methylphenylsilanediol is a versatile organosilicon intermediate characterized by its reactive silanol (Si-OH) groups. This compound is crucial for modifying material surfaces and creating cross-linked networks, offering enhanced adhesion, hydrophobicity, and thermal stability. It is primarily sought after by manufacturers in the silicone polymer, coatings, and electronics industries for developing high-performance materials.

Application

• Silicone Resin & Polymer Synthesis: Acts as a key monomer or cross-linking agent in the production of specialty silicone resins, rubbers, and elastomers.
• Surface Modification & Coupling Agent: Used to treat inorganic fillers (e.g., silica, glass) to improve their compatibility and dispersion in organic polymer matrices.
• Adhesive & Sealant Formulations: Imparts improved adhesion to various substrates and enhances the moisture-curing properties of sealants.
• Protective & Release Coatings: Employed in formulations for creating hydrophobic, anti-stick, or corrosion-resistant surface coatings.
• Electronics Encapsulation: Used in potting compounds and encapsulants for electronic components due to its potential for providing stable dielectric properties.
• Pharmaceutical & Personal Care Intermediates: Serves as a building block in the synthesis of siloxane-based ingredients for controlled release or conditioning applications.

Basic Information

Product Name	Methylphenylsilanediol
CAS No.	3959-13-5
Molecular Formula	C7H10O2Si
Molecular Weight	154.24 g/mol
Synonyms	Methyl(phenyl)silanediol; Phenylmethylsilanediol; Silanediol, methylphenyl-; Methylphenylsilicon dihydroxide; Dihydroxymethylphenylsilane; (Hydroxy)(methyl)phenylsilanol; Phenyl(methyl)dihydroxysilane; NSC 163083
EINECS	223-553-5

Quality Control

Our Methylphenylsilanediol is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing, including chromatographic purity assays and identity confirmation, to ensure it meets precise specifications and consistent performance for your applications. A Certificate of Analysis (COA) detailing batch-specific results is provided with each shipment.

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). Due to its hygroscopic nature, the container must be kept tightly sealed to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 2.0%

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