Description

Cyclosiloxanes, Di-Me, Me Ph CAS NO 308064-18-8 is a specialized organosilicon compound belonging to the phenyl-modified cyclic siloxane family. This chemical is valued for its unique combination of thermal stability, low volatility, and compatibility with organic matrices, making it a versatile intermediate and performance additive. It is primarily sought by manufacturers in the personal care, specialty polymers, and advanced materials sectors seeking to enhance product durability and functionality.

Application

• As a key monomer or intermediate in the synthesis of high-performance silicone resins and elastomers.
• As a modifying agent in personal care formulations, such as hair conditioners and skin care products, to improve texture and film-forming properties.
• In the production of release coatings and pressure-sensitive adhesives where phenyl groups contribute to thermal and UV stability.
• As a compatibilizer or additive in engineering plastics and composite materials to modify surface characteristics.
• For research and development of novel silicone-based materials, including those for electronics and optical applications.
• Potential use as a precursor in the manufacture of silicone fluids with specific refractive indices.

Basic Information

Product Name	Cyclosiloxanes, Di-Me, Me Ph
CAS No.	308064-18-8
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Dimethyl, Methylphenyl Cyclosiloxane; Methylphenyl Cyclosiloxane; Phenylmethylcyclosiloxane; Cyclic Phenylmethylsiloxane; Phenyl Modified D4; Me Ph Cyclosiloxane; CAS 308064-18-8
EINECS	Contact for details

Quality Control

Our Cyclosiloxanes, Di-Me, Me Ph is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatographic purity analysis, to ensure it meets precise specifications and consistent performance. Certificates of Analysis (COA) documenting key parameters are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong acids and incompatible organic solvents as indicated by its chemical properties. Ensure containers are kept tightly sealed to prevent moisture ingress and contamination.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 95.0%
Refractive Index (n20D)	Contact for details
Density (g/mL, 25°C)	Contact for details

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