Description

2,3,5-Trimethyl-4-Methylene-5-(1-Methylvinyl)-2-Cyclopenten-1-One is a specialized, high-value cyclopentenone derivative with a complex, unsaturated terpenoid-like structure. This compound matters as a versatile and potent fragrance intermediate and a valuable building block for synthesizing complex organic molecules. It is primarily needed by manufacturers in the flavor and fragrance industry for creating unique woody, amber, or tobacco-like scent profiles, as well as by research chemists in fine chemical and pharmaceutical synthesis.

Application

• Fragrance & Flavor Ingredient: A key intermediate for creating sophisticated woody, amber, tobacco, and leather accords in perfumery and flavor compositions.
• Fine Chemical Synthesis: Serves as a crucial chiral building block for the synthesis of complex natural products, pharmaceuticals, and agrochemicals due to its reactive carbonyl and olefinic groups.
• Aroma Chemical Production: Used in the manufacture of high-value aroma chemicals for consumer products like soaps, detergents, and cosmetics.
• Research & Development: Employed in academic and industrial R&D for studying Diels-Alder reactions, cycloadditions, and other transformations of functionalized cyclopentenones.
• Specialty Polymer Modifier: Potential use as a monomer or cross-linking agent for specialty polymers requiring specific olfactory or chemical properties.

Basic Information

Item	Detail
Product Name	2,3,5-Trimethyl-4-Methylene-5-(1-Methylvinyl)-2-Cyclopenten-1-One
CAS No.	50506-60-0
Molecular Formula	C12H16O
Molecular Weight	176.26 g/mol
Synonyms	5-(1-Methylvinyl)-2,3,5-trimethyl-4-methylene-2-cyclopenten-1-one; 4-Methylene-2,3,5-trimethyl-5-(1-methylvinyl)cyclopent-2-en-1-one; Trimethyl methylene methylvinyl cyclopentenone; Fragrance intermediate 50506-60-0; Cyclopentenone derivative C12H16O; 2-Cyclopenten-1-one, 2,3,5-trimethyl-4-methylene-5-(1-methylvinyl)-; Terpenoid cyclopentenone
EINECS	Contact for details

Quality Control

Our 2,3,5-Trimethyl-4-Methylene-5-(1-Methylvinyl)-2-Cyclopenten-1-One is produced under a strict quality management system. Each batch undergoes rigorous analytical testing, including chromatography and spectroscopy, to ensure high purity and consistent organoleptic properties critical for fragrance applications. 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 in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). This compound is easily oxidized; for long-term storage, consider maintaining under an inert atmosphere (e.g., nitrogen or argon) to preserve stability and prevent degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (GC)	≥ 95.0%
Refractive Index (20°C)	Contact for details
Specific Gravity (20°C)	Contact for details

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