Description

3-Methyl-1,2-Cyclopentanedione is a high-purity diketone compound valued for its unique flavor and fragrance characteristics. This chemical serves as a key building block and intermediate in the synthesis of complex flavoring agents and aroma chemicals. It is primarily sought after by manufacturers in the flavor and fragrance, food ingredient, and fine chemical synthesis industries for creating sophisticated organoleptic profiles.

Application

• Flavor and Fragrance Industry: A crucial intermediate for synthesizing complex flavoring agents, imparting caramel, nutty, or roasted notes to food products, beverages, and perfumes.
• Food Ingredient Manufacturing: Used in the production of process flavors and reaction flavors, particularly for creating savory, meaty, or Maillard reaction-type flavor profiles.
• Fine Chemical Synthesis: Acts as a versatile building block in organic synthesis for pharmaceuticals, agrochemicals, and other specialty chemicals due to its reactive diketone structure.
• Aroma Chemical Production: Employed in the creation of specialty aroma chemicals for personal care products, detergents, and air fresheners.
• Research and Development: Serves as a reference standard and starting material in R&D laboratories for flavor chemistry and novel compound discovery.

Basic Information

Product Name	3-Methyl-1,2-Cyclopentanedione
CAS No.	765-70-8
Molecular Formula	C6H8O2
Molecular Weight	112.13 g/mol
Synonyms	3-Methylcyclopentane-1,2-dione; 3-Methyl-1,2-cyclopentanedione; Methylcyclopentanedione; 3-MCPD (in flavor context); 3-Methyl-1,2-diketocyclopentane; 3-Methylcyclopentanedione; Flavoring agent 3-MCPD; 1,2-Cyclopentanedione, 3-methyl-
EINECS	212-158-9

Quality Control

Our 3-Methyl-1,2-Cyclopentanedione is manufactured under strict quality management systems. Each batch is tested to ensure it meets high-purity standards suitable for flavor and fragrance applications. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area at controlled room temperature (15-25°C). Due to its highly volatile nature, ensure containers are kept tightly sealed when not in use to prevent evaporation and potential concentration changes.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (GC)	≥ 98.0%
Specific Gravity (20°C)	1.080 - 1.120
Refractive Index (20°C)	1.470 - 1.490
Water Content (KF)	≤ 0.5%

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