Description

3,9-Bis(2-Cyanoethyl)-2,4,8,10-Tetraoxaspiro[5.5]Undecane is a specialized spirocyclic acetal derivative, recognized for its unique molecular structure that provides excellent thermal and chemical stability. This compound serves as a high-performance reactive intermediate and cross-linking agent, enabling the synthesis of advanced polymers with enhanced properties. It is primarily sought by manufacturers in the electronics, advanced resin, and specialty adhesive industries for creating high-purity, high-reliability materials.

Application

• Epoxy Resin Curing Agent & Modifier: Imparts improved heat resistance, low dielectric constant, and reduced moisture absorption in electronic encapsulants and printed circuit board laminates.
• Polymer Cross-Linker: Used in the synthesis of specialty polyesters, polyurethanes, and acrylic resins to enhance mechanical strength and chemical stability.
• Photoresist Component: Serves as a key monomer or additive in photoresist formulations for semiconductor manufacturing, contributing to fine patterning resolution.
• Adhesive & Sealant Formulation: Enhances the thermal and environmental durability of high-performance adhesives used in aerospace and automotive applications.
• Liquid Crystal Polymer (LCP) Synthesis: Acts as a building block for high-temperature, high-strength engineering plastics.
• Chemical Intermediate: Utilized in organic synthesis for pharmaceuticals and agrochemicals due to its reactive cyanoethyl and acetal functional groups.

Basic Information

Product Name	3,9-Bis(2-Cyanoethyl)-2,4,8,10-Tetraoxaspiro[5.5]Undecane
CAS No.	3058-04-6
Molecular Formula	C15H20N2O4
Molecular Weight	292.33 g/mol
Synonyms	2,4,8,10-Tetraoxaspiro[5.5]undecane, 3,9-bis(2-cyanoethyl)-; Spiroglycol Dicyanoethyl Ether; Dicyanoethylated Spiroglycol; 3,9-Bis(2-cyanoethoxy)-2,4,8,10-tetraoxaspiro[5.5]undecane; NSC 33436; Bis(2-cyanoethyl) spiroglycol ether; Spirobi(meta-dioxane)-3,9-diethanol, dicyanoethyl ether
EINECS	221-291-5

Quality Control

Our production of 3,9-Bis(2-Cyanoethyl)-2,4,8,10-Tetraoxaspiro[5.5]Undecane adheres to a stringent quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity, GC for residual solvents, and IR/NMR for structural confirmation, to ensure it meets precise customer specifications. Certificates of Analysis (COA) detailing all test results are provided with each shipment. We support compliance with REACH, ISO 9001, and other relevant global regulatory frameworks.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); keep the container tightly sealed to prevent absorption of atmospheric moisture. Keep away from strong acids, strong bases, and strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	95 - 100 °C
Loss on Drying	≤ 0.5%
Residual Solvents (GC)	Meet ICH guidelines

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