Description

3,9-Bis(2-Cyanoethyl)-2,4,8,10-Tetraoxaspiro[5.5]Undecane is a specialized spirocyclic acetal compound featuring reactive cyanoethyl functional groups. This unique molecular architecture makes it a valuable high-performance intermediate and monomer for advanced polymer synthesis. It is primarily sought after by R&D and production teams in the electronics, specialty adhesives, and advanced resin sectors who require materials with specific thermal and chemical resistance properties.

Application

• Photoresist & Electronic Chemicals: Serves as a key monomer or cross-linking agent in photosensitive polymers for semiconductor fabrication and printed circuit boards.
• High-Performance Adhesives: Used as a reactive diluent or modifier in epoxy and acrylic systems to enhance adhesion, flexibility, and thermal stability.
• Specialty Polymer Synthesis: Acts as a building block for creating novel polyethers, polyacetals, and other engineering plastics with tailored properties.
• UV-Curable Coatings & Inks: Incorporated into formulations to improve cure speed, surface hardness, and chemical resistance of the final coating.
• Flame Retardant Additives: Utilized as a precursor or synergist in the development of non-halogenated flame retardant systems for polymers.
• Chemical Intermediate: Employed in organic synthesis for pharmaceuticals and agrochemicals due to its reactive cyano and acetal groups.

Basic Information

Product Name	3,9-Bis(2-Cyanoethyl)-2,4,8,10-Tetraoxaspiro[5.5]Undecane
CAS No.	30580-40-6
Molecular Formula	C15H20N2O4
Molecular Weight	292.33 g/mol
Synonyms	2,4,8,10-Tetraoxaspiro[5.5]undecane, 3,9-bis(2-cyanoethyl)-; 3,9-Bis(2-cyanoethyl)-2,4,8,10-tetraoxaspiro[5.5]undecane; BCE-TOSU; Spirocyclic Acetal Cyanoethyl Compound; 1,5-Dicyano-3,9-dioxa-2,4,8,10-tetraoxaspiro[5.5]undecane; Bis(2-cyanoethyl) Pentacrythritol Diacetal; Pentaerythritol Bis(2-cyanoethyl) Acetal
EINECS	Contact for details

Quality Control

Our production of 3,9-Bis(2-Cyanoethyl)-2,4,8,10-Tetraoxaspiro[5.5]Undecane adheres to strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided to guarantee compliance with your specific application requirements.

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, strong acids, and strong bases. The compound may be hygroscopic; prolonged exposure to moisture should be avoided.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	95 - 105 °C
Loss on Drying	≤ 0.5%
Heavy Metals (as Pb)	≤ 10 ppm

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