Description

Dimethylsilanediol is a versatile organosilicon intermediate characterized by its reactive silanol groups. This compound is crucial for the synthesis of silicone polymers and serves as a key building block for modifying material surfaces and properties. It is essential for manufacturers in the silicone, pharmaceutical, and personal care industries seeking to develop advanced materials with specific performance characteristics.

Application

• Silicone Polymer Synthesis: A fundamental monomer and chain-terminating agent in the production of polydimethylsiloxanes (PDMS) and other silicone fluids, resins, and elastomers.
• Surface Modification Agent: Used to impart hydrophobicity, improve adhesion, or create specific surface functionalities on glass, metals, and minerals.
• Pharmaceutical Intermediates: Serves as a key synthon in the development of silicon-containing active pharmaceutical ingredients (APIs) and drug delivery systems.
• Personal Care & Cosmetics: Employed in the formulation of silicone-based ingredients for hair conditioners, skin care products, and antiperspirants.
• Adhesives & Sealants: Acts as a cross-linking agent or adhesion promoter in high-performance silicone adhesive and sealant formulations.
• Coatings & Paints: Incorporated to enhance weather resistance, reduce surface tension, and improve flow and leveling properties in industrial coatings.

Basic Information

Product Name	Dimethylsilanediol
CAS No.	1066-42-8
Molecular Formula	C2H8O2Si
Molecular Weight	92.17 g/mol
Synonyms	Dimethylsilanediol; Dimethylsiliconediol; Dihydroxydimethylsilane; Dimethyldihydroxysilane; Silanediol, dimethyl-; NSC 24127; 1,1-Dimethylsilanediol; Dimethylsilanol
EINECS	213-934-0

Quality Control

Our Dimethylsilanediol is manufactured under strict quality management systems to ensure batch-to-batch consistency and reliability. Each lot undergoes comprehensive analytical testing, including assay, purity, and identity confirmation. Certificates of Analysis (COA) documenting full 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 room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and must be kept under an inert atmosphere or in moisture-proof packaging to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0 %
Water Content (KF)	≤ 1.0 %
Melting Point	Contact for details

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