Description

4,9-Dioxa-5-Silabicyclo[6.1.0]Nonane (9Ci) is a specialized organosilicon compound featuring a bicyclic structure that incorporates both silicon and oxygen atoms. This unique architecture makes it a valuable reactive intermediate and cross-linking agent in advanced material synthesis. It is primarily sought after by R&D and production teams in the pharmaceutical, agrochemical, and specialty polymer industries for constructing complex molecular frameworks and modifying material surfaces.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and complex drug molecules requiring silicon-containing scaffolds.
• Agrochemical Synthesis: Serves as a key building block for creating novel pesticides, herbicides, and plant growth regulators with enhanced properties.
• Polymer & Resin Modification: Acts as a cross-linking agent or co-monomer in the production of specialty silicones, epoxy resins, and high-performance polymers to improve thermal stability and adhesion.
• Surface Functionalization: Employed to modify the surface properties of silica, glass, or other inorganic materials, enhancing compatibility in composite materials.
• Adhesive & Sealant Formulations: Incorporated into formulations to improve moisture resistance, durability, and bonding strength.
• Research & Development: A crucial reagent in academic and industrial labs for exploring new organosilicon chemistry and material science applications.

Basic Information

Item	Details
Product Name	4,9-Dioxa-5-Silabicyclo[6.1.0]Nonane (9Ci)
CAS No.	185101-75-1
Molecular Formula	C6H12O2Si
Molecular Weight	144.24 g/mol
Synonyms	5-Silabicyclo[6.1.0]nonane, 4,9-dioxa-; 4,9-Dioxa-5-silabicyclo[6.1.0]nonane; 1,2,3,4,6,7,8,9-Octahydro-5H-5-siladibenzo[a,e][8]annulene; Bicyclic Vinylsiloxane; Silicon-containing Bicyclic Ether
EINECS	Contact for details

Quality Control

Our production of 4,9-Dioxa-5-Silabicyclo[6.1.0]Nonane (9Ci) adheres to stringent internal quality standards to ensure batch-to-batch consistency and high purity. While typically supplied in research or technical grades, specifications can be tailored to meet specific project requirements. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles 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 place at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent moisture absorption and degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 95.0%
Water Content (KF)	≤ 0.5%

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