Description

4,4,5,5-Tetramethyl-2,7-Octanedione is a high-purity, symmetrical diketone compound with the CAS registry number 17663-27-3. This specialty chemical serves as a versatile building block and chelating agent, valued for its unique sterically hindered structure and coordination properties. It is essential for researchers and manufacturers in the fields of organic synthesis, polymer chemistry, and advanced material science, where it functions as a key precursor for ligands, catalysts, and functional monomers.

Application

• Ligand Synthesis: A crucial precursor for the preparation of sterically hindered β-diketonate ligands used in coordination chemistry and catalysis.
• Metal Chelation & Catalyst Precursors: Forms stable complexes with various metal ions, serving as a starting material for homogeneous catalysts in organic transformations.
• Polymer & Material Science: Used as a monomer or cross-linking agent in the synthesis of specialty polymers, coatings, and advanced functional materials.
• Pharmaceutical Intermediates: Acts as a key synthetic building block in the multi-step synthesis of complex organic molecules and active pharmaceutical ingredients (APIs).
• Research & Development: Employed in academic and industrial R&D for developing new synthetic methodologies and novel metal-organic frameworks (MOFs).
• Fine Chemical Production: Integral to the manufacture of high-value fine chemicals, flavors, and fragrances requiring specific diketone chemistry.

Basic Information

Product Name	4,4,5,5-Tetramethyl-2,7-Octanedione
CAS No.	17663-27-3
Molecular Formula	C12H22O2
Molecular Weight	198.30 g/mol
Synonyms	2,7-Octanedione, 4,4,5,5-tetramethyl-; Tetramethyloctanedione; 4,4,5,5-Tetramethyloctane-2,7-dione; TMOD; 2,2,3,3-Tetramethyl-1,6-hexanedione (alternative numbering); 1,1,2,2-Tetramethyl-3,6-hexanedione; Sterically hindered diketone; Symmetrical tetramethyl diketone
EINECS	Contact for details

Quality Control

Our 4,4,5,5-Tetramethyl-2,7-Octanedione is produced under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure high purity, consistency, and traceability. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, identity, and impurity profiles. Our quality commitment aligns with cGMP and ISO principles where applicable, ensuring reliability for your critical synthesis and production processes.

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 acids, and strong bases. For long-term storage, consider an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 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.