Description

2,2,5,5-Tetramethylcyclopentanone is a high-purity, highly volatile ketone derivative characterized by its unique sterically hindered cyclopentanone structure. This compound is valued for its role as a versatile synthetic intermediate and building block in advanced organic synthesis. It is primarily sought by R&D chemists and process development teams in the pharmaceutical, agrochemical, and fragrance industries for creating complex molecular architectures.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of complex drug molecules, particularly those requiring sterically hindered ketone functionalities.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides where its structural motif can contribute to specific biological activity.
• Fragrance & Flavor Ingredient: Acts as a precursor for musky and woody aroma chemicals due to its tetramethyl-substituted cyclic ketone backbone.
• Organic Synthesis Reagent: Employed in academic and industrial R&D for cyclization reactions, carbonyl chemistry, and the preparation of specialty fine chemicals.
• Polymer & Material Science: Utilized as a monomer or cross-linking agent modifier in the development of specialty polymers with tailored properties.
• Chemical Research: Provides a model compound for studying steric effects and reaction mechanisms in organic chemistry.

Basic Information

Product Name	2,2,5,5-Tetramethylcyclopentanone
CAS No.	4541-35-9
Molecular Formula	C9H16O
Molecular Weight	140.22 g/mol
Synonyms	2,2,5,5-Tetramethylcyclopentan-1-one; Tetramethylcyclopentanone; Cyclopentanone, 2,2,5,5-tetramethyl-; 1-Cyclopentanone, 2,2,5,5-tetramethyl-; NSC 66496
EINECS	Contact for details

Quality Control

Our 2,2,5,5-Tetramethylcyclopentanone is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including GC, HPLC, and NMR, to ensure high purity and consistent performance. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Due to its highly volatile nature, keep containers tightly sealed when not in use and away from heat and ignition sources.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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