Description

8,8-Dimethyl-9-Methylene-1,5-Cycloundecadiene is a specialized, high-purity sesquiterpene hydrocarbon intermediate. This compound is valued for its unique bicyclic structure, which serves as a critical building block in the synthesis of complex fragrance molecules and fine chemicals. It is primarily sought after by R&D chemists and manufacturers in the flavors & fragrances, agrochemical, and pharmaceutical industries for creating novel compounds with specific olfactory or biological properties. The CAS number for this product is 62338-54-9.

Application

• Fragrance & Flavor Synthesis: A key intermediate for creating novel musky, woody, or amber scent profiles in perfumery and flavoring agents.
• Agrochemical Intermediates: Used in the research and development of new active ingredients for crop protection products.
• Pharmaceutical Research: Serves as a sophisticated starting material or scaffold in the synthesis of potential therapeutic compounds.
• Fine Chemical Production: Employed in custom synthesis and the manufacture of specialty chemicals requiring its specific carbon skeleton.
• Academic & Industrial R&D: Utilized in organic chemistry research for studying cycloaddition reactions and synthesizing complex natural product analogs.

Basic Information

Product Name	8,8-Dimethyl-9-Methylene-1,5-Cycloundecadiene
CAS No.	62338-54-9
Molecular Formula	C₁₄H₂₂
Molecular Weight	190.32 g/mol
Synonyms	9-Methylene-8,8-dimethyl-1,5-cycloundecadiene; 8,8-Dimethyl-9-methylidene-1,5-cycloundecadiene; 1,5-Cycloundecadiene, 8,8-dimethyl-9-methylene-; Bicyclo[7.3.0]dodeca-1,5-diene, 2,2-dimethyl-3-methylene- (related structure); Sesquiterpene hydrocarbon intermediate.
EINECS	Contact for details

Quality Control

Every batch of 8,8-Dimethyl-9-Methylene-1,5-Cycloundecadiene is produced and tested under strict quality management protocols to ensure consistency and purity for sensitive synthetic applications. Our products undergo rigorous quality testing 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) at controlled room temperature (15-25°C) in a cool, dry, and well-ventilated area. Due to its highly volatile and easily oxidized nature, minimize exposure to air and heat. Keep away from ignition sources and oxidizing agents.

Specification

Item	Specification
Appearance	Clear, 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.