Description

3-Ethyl-2-Hydroxy-2-Cyclopenten-1-One is a versatile cyclic ketone derivative, valued for its role as a key synthetic intermediate and flavor/fragrance component. This compound is essential for creating complex molecular architectures in fine chemical synthesis and contributes desirable organoleptic properties. It is primarily needed by manufacturers in the pharmaceutical, flavor & fragrance, and agrochemical industries.

Application

• Pharmaceutical Intermediate: Serves as a crucial building block in the synthesis of active pharmaceutical ingredients (APIs) and other complex organic molecules.
• Flavor & Fragrance Ingredient: Used as a flavoring agent or fragrance component, imparting sweet, caramelic, or fruity notes to food products and perfumes.
• Agrochemical Synthesis: Acts as an intermediate in the production of certain pesticides, herbicides, and plant growth regulators.
• Organic Synthesis & Research: Employed in academic and industrial R&D for constructing cyclopentenone-based compounds and exploring novel chemical reactions.
• Specialty Chemical Production: Utilized in the manufacture of dyes, pigments, and other performance chemicals.

Basic Information

Item	Detail
Product Name	3-Ethyl-2-Hydroxy-2-Cyclopenten-1-One
CAS No.	21835-01-8
Molecular Formula	C7H10O2
Molecular Weight	126.15 g/mol
Synonyms	2-Hydroxy-3-ethyl-2-cyclopenten-1-one; 3-Ethyl-2-hydroxy-2-cyclopentenone; 2-Cyclopenten-1-one, 2-hydroxy-3-ethyl-; Ethylcyclopentenolone; Maple lactone; Cyclotene (flavor grade); 3-Ethyl-2-hydroxycyclopent-2-en-1-one
EINECS	244-599-1

Quality Control

Our 3-Ethyl-2-Hydroxy-2-Cyclopenten-1-One is produced under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets the required specifications for identity, purity, and composition. Certificates of Analysis (COA) are provided with every shipment, detailing the results of tests such as assay, impurity profile, and physical characteristics. We can supply material compliant with FCC (Food Chemicals Codex) for flavor applications and other relevant industry standards upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). This product is easily oxidized and should be stored under an inert atmosphere (e.g., nitrogen) for long-term stability. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (20°C)	1.470 - 1.480
Specific Gravity (20/20°C)	1.080 - 1.100

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