Description

4,4,5,5-Tetramethylcyclopentane-1,2,3-Trione is a specialized, high-purity cyclic trione compound with a unique sterically hindered structure. This compound serves as a critical advanced synthetic intermediate and building block in the development of complex organic molecules. It is primarily utilized by pharmaceutical R&D and fine chemical synthesis sectors for creating novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of complex drug candidates, particularly those requiring rigid, multi-functional carbon frameworks.
• Ligand Synthesis: Used in the preparation of specialized ligands for catalysis and metal-organic frameworks (MOFs).
• Polymer Chemistry: Serves as a cross-linking agent or monomer for producing high-performance polymers with specific thermal and mechanical properties.
• Agrochemical Research: Building block for developing new active ingredients in crop protection products.
• Material Science: Intermediate in the creation of organic electronic materials and specialty coatings.
• Academic & Industrial R&D: Valuable reagent for methodological development and exploring new chemical reactions in organic synthesis.

Basic Information

Item	Detail
Product Name	4,4,5,5-Tetramethylcyclopentane-1,2,3-Trione
CAS No.	1889-98-1
Molecular Formula	C9H12O3
Molecular Weight	168.19 g/mol
Synonyms	1,2,3-Cyclopentanetrione, 4,4,5,5-tetramethyl-; Tetramethylcyclopentanetrione; 4,4,5,5-Tetramethyl-1,2,3-cyclopentanetrione; 1889-98-1; NSC 163022; Cyclopentanetrione, tetramethyl-; Tetramethyl-1,2,3-cyclopentanetrione
EINECS	Contact for details

Quality Control

Our 4,4,5,5-Tetramethylcyclopentane-1,2,3-Trione is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide full traceability and Certificates of Analysis (COA) are available for all shipments, detailing key parameters such as assay and impurity profiles. Our quality commitment supports applications requiring high-purity intermediates for regulated environments.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from incompatible materials such as strong bases and reducing agents. For long-term storage, consider an inert atmosphere to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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