Description

4-Hydroxy-3-Methyl-2-Prop-2-Enyl-Cyclopent-2-En-1-One is a specialized organic compound with a distinctive cyclopentenone structure, valued for its role as a key synthetic intermediate and flavor/fragrance component. This compound matters for its ability to impart unique organoleptic properties and serve as a versatile building block in fine chemical synthesis. It is primarily needed by manufacturers in the flavor and fragrance industry, as well as by research and development chemists working on pharmaceutical intermediates and agrochemicals.

Application

• Flavor and Fragrance Formulation: Used as a key ingredient or intermediate in creating complex, woody, and spicy aroma profiles for perfumes, cosmetics, and personal care products.
• Pharmaceutical Intermediates: Serves as a crucial building block in the synthesis of more complex active pharmaceutical ingredients (APIs) and other bioactive molecules.
• Agrochemical Synthesis: Acts as a precursor in the development of certain pesticides, herbicides, and plant growth regulators.
• Organic Synthesis Research: Utilized in academic and industrial R&D laboratories for studying cyclopentenone chemistry and developing novel synthetic methodologies.
• Fine Chemical Production: Employed in the manufacture of other specialty chemicals requiring its specific functionalized ring structure.

Basic Information

Product Name	4-Hydroxy-3-Methyl-2-Prop-2-Enyl-Cyclopent-2-En-1-One
CAS No.	551-45-1
Molecular Formula	C9H12O2
Molecular Weight	152.19 g/mol
Synonyms	2-Allyl-3-methyl-4-hydroxy-2-cyclopenten-1-one; 3-Methyl-2-(2-propenyl)-4-hydroxy-2-cyclopenten-1-one; Allyl methyl hydroxy cyclopentenone; 4-Hydroxy-3-methyl-2-(2-propenyl)-2-cyclopenten-1-one; Cyclopentenone derivative; Flavor ingredient 551-45-1; Fragrance intermediate 551-45-1
EINECS	208-997-9

Quality Control

Our 4-Hydroxy-3-Methyl-2-Prop-2-Enyl-Cyclopent-2-En-1-One is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, related substances, and physical properties. Our quality systems are designed to meet the stringent requirements of the flavor, fragrance, and pharmaceutical intermediate markets.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated place at a controlled room temperature (15-25°C). Due to its highly volatile nature, ensure containers are sealed when not in use and stored away from heat sources and open flame. Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Water Content (KF)	≤ 0.5%
Refractive Index	Contact for details
Specific Gravity	Contact for details

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