Description

1,1,3,3,3-Pentamethyl-1-(2-Phenylethyl)Propanedisiloxane is a specialized organosilicon compound featuring a unique disiloxane backbone with phenyl and methyl substituents. This structure is engineered to provide excellent thermal stability and compatibility with a wide range of organic polymers and silicone systems. It serves as a valuable intermediate and functional additive for advanced material synthesis, particularly in the production of high-performance silicones and specialty polymers. Key industries that utilize this chemical include electronics, personal care, and advanced coatings, where its properties enhance product performance and durability.

Application

• Silicone Intermediate: A key building block in the synthesis of custom phenyl-modified silicone fluids, resins, and elastomers for high-temperature applications.
• Personal Care Formulations: Used as a conditioning agent and emollient in premium hair care and skincare products to improve shine and texture.
• Release Agents & Lubricants: Functions as a component in high-performance mold release agents and lubricants for industrial and automotive applications.
• Electronics Encapsulation: Employed in the formulation of protective gels and potting compounds for electronic components due to its stability.
• Adhesive & Sealant Modifier: Acts as a plasticizer and compatibility enhancer in silicone-based adhesives and sealants.
• Cosmetic Ingredient: Serves as a volatile carrier or solvent in cosmetic products like antiperspirants and sunscreens.
• Pharmaceutical Intermediate: Utilized in the research and development of novel drug delivery systems and active pharmaceutical ingredients (APIs).
• Research & Development: A valuable reagent for academic and industrial R&D in organosilicon chemistry and material science.

Basic Information

Product Name	1,1,3,3,3-Pentamethyl-1-(2-Phenylethyl)Propanedisiloxane
CAS No.	3439-15-4
Molecular Formula	C16H30O2Si2
Molecular Weight	310.59 g/mol
Synonyms	1,1,3,3,3-Pentamethyl-1-(2-phenylethyl)disiloxane; 1-(2-Phenylethyl)-1,1,3,3,3-pentamethyldisiloxane; 2-Phenylethylpentamethyldisiloxane; Phenylethylpentamethyldisiloxane; Disiloxane, 1,1,3,3,3-pentamethyl-1-(2-phenylethyl)-; Phenyl Ethyl Pentamethyl Disiloxane; (2-Phenylethyl)pentamethyldisiloxane; CAS 3439-15-4
EINECS	222-350-4

Quality Control

Our 1,1,3,3,3-Pentamethyl-1-(2-Phenylethyl)Propanedisiloxane is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatography and spectroscopy, to ensure high purity and consistent performance. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, identity, and impurity profiles. Our quality commitment ensures the product meets the stringent requirements for industrial, cosmetic, and research applications.

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). Keep away from strong oxidizing agents, acids, and bases. For long-term storage, consider using an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Refractive Index (n20/D)	1.460 - 1.470
Density (20°C)	0.92 - 0.96 g/mL
Water Content (KF)	≤ 0.1%

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