Description

7-(2,4-Hexadiynylidene)-1,6-Dioxaspiro[4.4]Nona-2,8-Diene is a specialized organic compound featuring a unique spirocyclic and conjugated diyne structure. This complex molecular architecture makes it a valuable intermediate for advanced organic synthesis and materials science research. It is primarily sought by R&D chemists and process developers in the pharmaceutical and fine chemical industries for constructing novel molecular frameworks and functional materials.

Application

• Advanced Pharmaceutical Intermediate: Serves as a key building block in the synthesis of novel active pharmaceutical ingredients (APIs) with complex ring systems.
• Organic Synthesis Reagent: Used in research-scale reactions, including cycloadditions and cross-coupling, to create new chemical entities.
• Materials Science Research: Investigated as a precursor for the development of organic electronic materials and polymers with specific optoelectronic properties.
• Academic & Industrial R&D: Employed in discovery chemistry for creating libraries of compounds in medicinal chemistry and catalyst development programs.
• Fine Chemical Production: Acts as a specialized intermediate in the multi-step synthesis of high-value agrochemicals or performance chemicals.

Basic Information

Product Name	7-(2,4-Hexadiynylidene)-1,6-Dioxaspiro[4.4]Nona-2,8-Diene
CAS No.	17089-43-9
Molecular Formula	C13H10O2
Molecular Weight	198.22 g/mol
Synonyms	1,6-Dioxaspiro[4.4]nona-2,8-diene, 7-(2,4-hexadiynylidene)-; Spiro[1,3-dioxolane-2,9'-[9]oxaanthracene], 1',2',3',4'-tetrahydro-; 7-(Hexa-2,4-diyn-1-ylidene)-1,6-dioxaspiro[4.4]nona-2,8-diene
EINECS	Contact for details

Quality Control

Our 7-(2,4-Hexadiynylidene)-1,6-Dioxaspiro[4.4]Nona-2,8-Diene is produced and handled under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and NMR/IR for structural confirmation, to ensure it meets the exacting standards required for research and development. A detailed Certificate of Analysis (COA) is provided with every shipment to guarantee traceability and specification compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). This compound is light-sensitive (store away from light) and should be kept under an inert atmosphere if long-term stability is a concern. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0% (Research Grade)
Melting Point	Contact for details
Loss on Drying	≤ 0.5%

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