Description

2,2,15,15-Tetramethyl-3,14-Dithia-2,15-Disilahexadecane is a specialized organosilicon compound with a unique disilane bridge linked by a dithia chain. This molecular structure makes it a valuable intermediate and functional component in advanced material science and polymer chemistry. It is primarily sought after by R&D chemists and production engineers in the silicone polymer, specialty adhesives, and electronics industries for its ability to modify material properties and act as a cross-linking or chain-extending agent.

Application

• Silicone Polymer Modification: Acts as a chain extender or cross-linker to enhance the thermal stability and mechanical properties of high-performance silicone elastomers and resins.
• Adhesive & Sealant Formulations: Used as a key intermediate in the synthesis of adhesion promoters and primers for bonding difficult substrates like metals and plastics.
• Electronic Encapsulants: Incorporated into silicone gels and potting compounds to improve flexibility and environmental resistance for protecting sensitive electronic components.
• Surface Treatment Agent: Serves as a precursor for creating hydrophobic or release coatings on various surfaces, including glass and textiles.
• Research & Development: A crucial building block in organic and organometallic synthesis for developing novel materials with tailored siloxane architectures.
• Lubricant & Grease Additives: Used to formulate specialty lubricants requiring high-temperature stability and low volatility.

Basic Information

Product Name	2,2,15,15-Tetramethyl-3,14-Dithia-2,15-Disilahexadecane
CAS No.	22396-25-4
Molecular Formula	C18H42S2Si2
Molecular Weight	378.8 g/mol
Synonyms	1,16-Bis(trimethylsilyl)-3,14-dithiahexadecane; 3,14-Dithia-2,15-disilahexadecane, 2,2,15,15-tetramethyl-; Bis(6-trimethylsilyl-3-thiahexyl) sulfide; 1,1'-(Thiodi-3,1-propanediylthio)bis[1,1,1-trimethylsilane]; Disilane, 1,1,1,16,16,16-hexamethyl-3,14-dithia-; (Me3Si(CH2)3S)2; Contact for additional trade names.
EINECS	Contact for details

Quality Control

Our production of 2,2,15,15-Tetramethyl-3,14-Dithia-2,15-Disilahexadecane adheres to stringent quality management protocols. Every batch undergoes rigorous analytical testing, including chromatography and spectroscopy, to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with each shipment 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 oxidizing agents. For long-term storage, consider under an inert atmosphere such as nitrogen to maintain product integrity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 95.0%
Density (at 20°C)	~0.92 g/mL
Refractive Index (n20D)	~1.48

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