Description

2,8,9-Trioxa-5-Aza-1-Silabicyclo[3.3.3]Undecane-1-Propanethiol is a specialized organosilicon compound featuring a unique bicyclic cage structure that combines silane, ether, and amine functionalities with a terminal thiol group. This molecular architecture is critical for applications requiring strong adhesion, cross-linking, and surface modification, particularly on challenging substrates. It is an essential intermediate for manufacturers in the advanced materials and electronics sectors seeking to enhance product performance and durability.

Application

• Silane Coupling Agent: Used to promote adhesion between inorganic materials (glass, metals, minerals) and organic polymers (epoxies, polyurethanes, silicones) in composite materials and coatings.
• Surface Modification: Functionalizes surfaces of silica, glass fibers, and metal oxides to introduce reactive thiol groups for further chemical grafting or to alter surface energy.
• Cross-linking Agent: Serves as a co-monomer or cross-linker in the synthesis of specialty polymers and resins, leveraging the reactivity of the thiol and silane groups.
• Adhesive & Sealant Formulations: Incorporated into high-performance adhesives and sealants to improve bonding strength, moisture resistance, and thermal stability.
• Electronics Encapsulation: Used in potting compounds and encapsulants for electronic components to provide robust protection against environmental stress.
• Chemical Synthesis Intermediate: Acts as a key building block for the synthesis of more complex organosilicon molecules used in research and specialty chemical production.

Basic Information

Product Name	2,8,9-Trioxa-5-Aza-1-Silabicyclo[3.3.3]Undecane-1-Propanethiol
CAS No.	29909-46-4
Molecular Formula	C9H19NO3SSi
Molecular Weight	249.40 g/mol
Synonyms	3-(2,8,9-Trioxa-5-aza-1-silabicyclo[3.3.3]undecan-1-yl)-1-propanethiol; 1-Propanethiol, 3-(2,8,9-trioxa-5-aza-1-silabicyclo[3.3.3]undec-1-yl)-; N-(3-Mercaptopropyl)silsesquioxane cage compound; Thiol-functionalized POSS derivative; Mercaptopropylisobutyl POSS (common trade name context); Silane, [3-(2,8,9-trioxa-5-aza-1-silabicyclo[3.3.3]undec-1-yl)propyl] mercapto-; Cage siloxane with mercaptopropyl group.
EINECS	Contact for details

Quality Control

Every batch of 2,8,9-Trioxa-5-Aza-1-Silabicyclo[3.3.3]Undecane-1-Propanethiol is manufactured and tested under a strict quality management system. We ensure product consistency and purity through advanced analytical techniques including HPLC, GC, NMR, and FTIR. A comprehensive Certificate of Analysis (COA) detailing identity, assay, purity, and impurity profiles is provided with each 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). Keep away from heat, sparks, and open flame. Due to the thiol functionality and light-sensitive nature, prolonged exposure to light or air should be avoided to maintain product stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Purity (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.470 - 1.490
Density (20°C)	1.05 - 1.15 g/mL

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