Description

Dicyanoketene Ethylene Acetal is a versatile and highly reactive heterocyclic building block, primarily valued for its role as a precursor to functionalized pyridines and other nitrogen-containing heterocycles. Its unique structure, featuring a protected ketene moiety flanked by two cyano groups, makes it an essential intermediate in advanced organic synthesis and pharmaceutical research. This compound is particularly critical for R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries seeking to construct complex molecular architectures efficiently.

Application

• Pharmaceutical Intermediate: A key synthon for the synthesis of novel drug candidates, particularly those containing pyridine, pyrimidine, or other fused heterocyclic cores.
• Agrochemical Synthesis: Used in the development of advanced herbicides, fungicides, and insecticides that require specific nitrogen heterocycle scaffolds for bioactivity.
• Material Science Precursor: Serves as a building block for functional polymers, dyes, and photoactive materials where electron-withdrawing cyano groups are beneficial.
• Academic & Industrial Research: Employed in methodology development for cycloaddition reactions and as a model compound in mechanistic studies of ketene acetals.
• Fine Chemical Production: Integral to the multi-step synthesis of complex flavors, fragrances, and other high-value specialty chemicals.

Basic Information

Product Name	Dicyanoketene Ethylene Acetal
CAS No.	5694-65-5
Molecular Formula	C7H6N2O2
Molecular Weight	150.14 g/mol
Synonyms	1,1-Ethylenedioxy-2,2-dicyanoethene; 2,2-Dicyano-1,1-ethylenedioxyethene; Dicyanoketene Ethylene Ketal; 2,2-Dicyanoethene-1,1-diyl diethyl ether (deprecated); Dicyanomethyleneketene ethylene acetal; NSC 163022; 1,3-Dioxolane, 2-(dicyanomethylene)-
EINECS	227-157-1

Quality Control

Every batch of Dicyanoketene Ethylene Acetal is produced and tested under a strict quality management system to ensure consistency and reliability for your synthetic processes. We provide comprehensive Certificates of Analysis (COA) that detail purity, identity, and impurity profiles, typically determined by HPLC, GC, NMR, and IR spectroscopy. Our commitment to quality assurance supports compliance with cGMP and ISO 9001 standards where required for advanced research and development applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). This material is light-sensitive (store away from light) and should be kept under an inert atmosphere if opened for prolonged use to prevent moisture uptake and decomposition. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to pale yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	98 - 102 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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