Description

Spiro[3.3]Hepta-2,5-Diene is a highly strained, bicyclic organic compound featuring a unique spiro-conjugated diene structure. This distinctive molecular architecture makes it a valuable and versatile building block in advanced organic synthesis and materials science research. It is primarily sought after by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty polymer industries for constructing complex molecular frameworks.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for creating complex, three-dimensional scaffolds.
• Agrochemical Research: Used in developing new crop protection agents and herbicides, where its strained ring system can impart unique biological activity.
• Ligand & Catalyst Development: Acts as a starting material for synthesizing specialized ligands and organometallic catalysts used in asymmetric synthesis.
• Advanced Material Synthesis: Employed in the research and development of novel polymers, dendrimers, and organic electronic materials with tailored properties.
• Academic & Industrial R&D: A fundamental reagent for methodological studies in organic chemistry, including cycloaddition reactions and strain-release functionalization.
• Fine Chemical Production: Utilized in the multi-step synthesis of high-value, low-volume specialty chemicals and flavors/fragrances intermediates.

Basic Information

Product Name	Spiro[3.3]Hepta-2,5-Diene
CAS No.	22635-78-5
Molecular Formula	C7H8
Molecular Weight	92.14 g/mol
Synonyms	Bicyclo[3.1.1]hepta-2,6-diene; 1,4-Cyclohexadiene, spiro-; Spiro[3.3]hepta-2,6-diene; 2,5-Dihydrospiro[3.3]hepta-2,5-diene; Spiroheptadiene
EINECS	Contact for details

Quality Control

Our Spiro[3.3]Hepta-2,5-Diene is produced under stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including GC, HPLC, and NMR, to ensure high purity and consistency. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at controlled room temperature (15-25°C) in a cool, dry, and well-ventilated area. Keep away from heat, sparks, and open flames. Due to its sensitivity, minimize exposure to air and moisture during handling.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 95.0%
Water Content (KF)	≤ 0.5%

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