Description

3,5,5-Trimethylcyclohexane-1,2-Dione is a versatile cyclic diketone compound, also known as ketoisophorone. It serves as a valuable high-purity chemical intermediate and building block in advanced organic synthesis. This product is essential for manufacturers in the pharmaceutical, fragrance, and specialty chemical industries seeking reliable quality and consistent supply for complex synthesis pathways.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of various active pharmaceutical ingredients (APIs) and complex organic molecules.
• Fragrance and Flavor Ingredient: Used in the creation of sophisticated aroma chemicals and flavor compounds due to its ketone structure.
• Agrochemical Synthesis: Serves as a building block for developing advanced pesticides and herbicides.
• Polymer and Resin Modifier: Employed in the production of specialty polymers, coatings, and resins to modify properties.
• Organic Synthesis Reagent: Utilized in research and development for cyclization reactions and the construction of complex ring systems.
• Fine Chemical Production: Acts as a critical intermediate in the manufacture of dyes, pigments, and other performance chemicals.

Basic Information

Product Name	3,5,5-Trimethylcyclohexane-1,2-Dione
CAS No.	4883-60-7
Molecular Formula	C9H14O2
Molecular Weight	154.21 g/mol
Synonyms	Ketoisophorone; 2,6,6-Trimethyl-2-cyclohexene-1,4-dione; Isophorone Dimer; 1,2-Cyclohexanedione, 3,5,5-trimethyl-; 3,5,5-Trimethyl-1,2-cyclohexanedione; 4-Oxoisophorone; 2-Cyclohexene-1,4-dione, 2,6,6-trimethyl-
EINECS	225-502-8

Quality Control

Our 3,5,5-Trimethylcyclohexane-1,2-Dione is produced under a stringent quality management system. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure it meets precise purity and identity specifications. Certificates of Analysis (COA) documenting all critical parameters are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame.

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%

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