Description

2,2,4,4-Tetramethylcyclopentanone is a high-purity, specialized cyclic ketone characterized by its unique sterically hindered structure. This molecular architecture is critical for applications requiring specific reactivity profiles and stability under demanding conditions. It serves as a valuable intermediate and building block in advanced organic synthesis for the pharmaceutical, agrochemical, and fragrance industries.

Application

• Pharmaceutical Intermediate: Used in the synthesis of complex molecules, including active pharmaceutical ingredients (APIs) and steroidal compounds, where its hindered ketone functionality is key.
• Agrochemical Synthesis: Acts as a precursor for developing novel pesticides and herbicides, leveraging its structural framework.
• Fragrance & Flavor Ingredient: Serves as a starting material for creating musky or woody aroma chemicals due to its cyclic and methyl-substituted nature.
• Organic Synthesis Building Block: Employed in research and development for constructing complex organic architectures, including natural product analogs.
• Polymer & Material Science: Utilized in the development of specialty polymers and resins as a modifying agent or cross-linking precursor.
• Chemical Research (R&D): A key reagent in methodological studies and catalysis research involving ketone chemistry.

Basic Information

Product Name	2,2,4,4-Tetramethylcyclopentanone
CAS No.	4694-11-5
Molecular Formula	C9H16O
Molecular Weight	140.22 g/mol
Synonyms	2,2,4,4-Tetramethylcyclopentan-1-one; Tetramethylcyclopentanone; 1-Cyclopentanone, 2,2,4,4-tetramethyl-; NSC 66480; Pentanone, 2,2,4,4-tetramethylcyclopentan-
EINECS	225-158-5

Quality Control

Our 2,2,4,4-Tetramethylcyclopentanone is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets the highest standards of purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, assay, and impurity profiles is provided with every shipment to guarantee traceability and compliance for your critical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents, strong bases, and sources of ignition.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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