Description

2-(2,4-Hexadiynylidene)-1,6-Dioxaspiro[4.4]Non-3-Ene is a specialized spirocyclic compound featuring a conjugated diyne moiety integrated into a unique oxaspiro framework. This distinct molecular architecture makes it a valuable advanced intermediate for synthesizing complex organic molecules and functional materials. It is primarily sought by research chemists and process development scientists in pharmaceutical discovery, agrochemical research, and materials science.

Application

• Pharmaceutical Intermediate: Serves as a key building block for the synthesis of novel active pharmaceutical ingredients (APIs), particularly those requiring complex spirocyclic or conjugated systems.
• Agrochemical Research: Used in the development of new crop protection agents and herbicides, leveraging its reactive diyne structure.
• Material Science Precursor: Acts as a monomer or cross-linking agent in the development of specialty polymers and advanced organic electronic materials.
• Academic & Industrial R&D: Employed in methodological chemistry research, including cycloaddition reactions and the construction of complex molecular scaffolds.
• Fine Chemical Synthesis: Utilized as a high-value intermediate for producing dyes, pigments, and other performance chemicals.

Basic Information

Product Name	2-(2,4-Hexadiynylidene)-1,6-Dioxaspiro[4.4]Non-3-Ene
CAS No.	16863-61-9
Molecular Formula	C13H12O2
Molecular Weight	200.23 g/mol
Synonyms	1,6-Dioxaspiro[4.4]non-3-ene, 2-(2,4-hexadiynylidene)-; 2-(Hexa-2,4-diynylidene)-1,6-dioxaspiro[4.4]non-3-ene; Spiro[1,3-dioxolane-2,9'-[9]oxaanthracene] derivative; Conjugated diyne spiroketal
EINECS	Contact for details

Quality Control

Every batch of 2-(2,4-Hexadiynylidene)-1,6-Dioxaspiro[4.4]Non-3-Ene is produced and tested under a strict quality management system. We provide comprehensive analytical data to ensure consistency and purity for your critical R&D and scale-up processes. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). This compound may be light-sensitive; prolonged exposure to light should be avoided.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Melting Point	Contact for details
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.