Description

Spiro[5.5]Undeca-1,8-Diene,1 is a specialized spirocyclic hydrocarbon with the CAS number 19912-83-5, valued for its unique three-dimensional molecular architecture. This structure makes it a versatile and valuable intermediate in advanced organic synthesis and materials science research. It is primarily sought after by R&D chemists and process engineers in the pharmaceutical, agrochemical, and specialty polymer industries for constructing complex molecular frameworks.

Application

• Pharmaceutical Intermediate: Serves as a key building block for synthesizing novel active pharmaceutical ingredients (APIs) with complex spirocyclic cores.
• Agrochemical Synthesis: Used in the research and development of new generation pesticides and herbicides, leveraging its rigid structure for bioactivity.
• Ligand & Catalyst Development: Acts as a precursor for creating sophisticated chiral ligands and organometallic catalysts used in asymmetric synthesis.
• Advanced Material Research: Investigated as a monomer or cross-linking agent for developing high-performance polymers with unique thermal and mechanical properties.
• Organic Electronic Materials: Explored in the synthesis of organic semiconductors and light-emitting materials due to its potential electronic properties.
• Fragrance & Flavor Chemistry: Utilized as a starting material for creating novel synthetic aroma chemicals with complex olfactory profiles.

Basic Information

Product Name	Spiro[5.5]Undeca-1,8-Diene,1
CAS No.	19912-83-5
Molecular Formula	C11H16
Molecular Weight	148.25 g/mol
Synonyms	1,8-Dihydrospiro[5.5]undeca-1,8-diene; Spiro[5.5]undeca-1,8-diene; 1,8-Dihydrospiro(5.5)undeca-1,8-diene; 1,8-Dihydrospiro(5.5)undecadiene; Spiro(5.5)undeca-1,8-diene; 1,8-Dihydrospiro[5.5]undecadiene
EINECS	Contact for details

Quality Control

Every batch of Spiro[5.5]Undeca-1,8-Diene,1 is produced and tested under strict quality management protocols to ensure consistency and purity for research and development applications. Our products undergo rigorous quality testing, including chromatographic and spectroscopic analysis, to ensure compliance with industry standards. 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 under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its sensitivity to oxidation, ensure containers are properly sealed after each use to minimize exposure to air.

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.