Description

7,7-Dimethyl-11-Methylenespiro[5.5]Undec-2-Ene-3-Methanol is a high-purity, specialized spirocyclic terpenoid intermediate with significant synthetic utility. Its unique bridged and functionalized structure makes it a valuable building block for the synthesis of complex fragrance molecules, pharmaceuticals, and advanced organic materials. This compound is essential for R&D chemists and production specialists in the flavor & fragrance, fine chemical, and pharmaceutical intermediates sectors seeking to develop novel compounds with specific olfactory or biological properties.

Application

• Fragrance & Flavor Intermediate: Serves as a key precursor for synthesizing novel amber, woody, and musky odorants in high-end perfumery.
• Pharmaceutical Research: Used as a sophisticated scaffold or chiral building block in medicinal chemistry for drug discovery programs.
• Organic Synthesis: Acts as a versatile intermediate for constructing complex natural product analogs and spirocyclic compounds.
• Fine Chemical Production: Employed in the manufacture of specialty chemicals requiring specific stereochemistry and functional groups.
• Agrochemical Intermediates: Potential use in developing advanced active ingredients with unique molecular architectures.
• Material Science Research: Investigated as a monomer or additive for creating polymers with specialized properties.

Basic Information

Product Name	7,7-Dimethyl-11-Methylenespiro[5.5]Undec-2-Ene-3-Methanol
CAS No.	19822-80-1
Molecular Formula	C15H24O
Molecular Weight	220.35 g/mol
Synonyms	3-Hydroxymethyl-7,7-dimethyl-11-methylenespiro[5.5]undec-2-ene; 11-Methylenespiro[5.5]undec-2-ene-3-methanol, 7,7-dimethyl-; Spiro[5.5]undec-2-ene-3-methanol, 7,7-dimethyl-11-methylene-; Ambrocenide (related fragrance compound intermediate); Terpenoid Spirocyclic Alcohol; C15 Spirocyclic Terpene Alcohol
EINECS	Contact for details

Quality Control

Our 7,7-Dimethyl-11-Methylenespiro[5.5]Undec-2-Ene-3-Methanol is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing including GC, HPLC, and NMR to ensure high chemical purity and structural integrity. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with agreed specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from strong oxidizing agents. For long-term storage, consider an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or low-melting solid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 95.0% (Typical 97-99%)
Water Content (KF)	≤ 0.5%
Related Substances (GC)	Individual impurity ≤ 1.0%; Total impurities ≤ 3.0%

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