Description

3,4,4A,5,6,7-Hexahydro-3,3,5,5-Tetramethylnaphthalene-2(1H)-One is a specialized, high-purity synthetic intermediate belonging to the class of hydrogenated naphthalenones. This compound matters for its role as a versatile building block in the synthesis of complex organic molecules, offering a rigid, functionalized framework. It is primarily needed by research and development chemists and process engineers in the pharmaceutical and fine chemical industries for creating novel active ingredients and advanced materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of complex drug candidates, particularly those requiring a sterically defined, polycyclic core structure.
• Fragrance & Flavor Synthesis: Serves as a starting material for creating synthetic musk compounds and other aroma chemicals with woody, amber-like olfactory profiles.
• Agrochemical Research: Used in developing novel active ingredients for crop protection, leveraging its stable chemical backbone for functionalization.
• Material Science: Investigated as a monomer or additive in the production of specialized polymers and resins to impart specific thermal or mechanical properties.
• Organic Synthesis Research: A valuable scaffold in academic and industrial R&D for methodology development and the construction of complex natural product analogs.
• Fine Chemical Production: Employed in the multi-step synthesis of high-value specialty chemicals used in electronics and performance materials.

Basic Information

Product Name	3,4,4A,5,6,7-Hexahydro-3,3,5,5-Tetramethylnaphthalene-2(1H)-One
CAS No.	72927-89-0
Molecular Formula	C₁₄H₂₂O
Molecular Weight	206.33 g/mol
Synonyms	3,3,5,5-Tetramethyl-1,2,3,4,4a,5,6,7-octahydronaphthalen-2-one; 3,3,5,5-Tetramethyl-1,2,3,4,4a,5,6,7-octahydro-2H-naphthalen-2-one; 3,3,5,5-Tetramethyloctahydronaphthalen-2(1H)-one; 2(1H)-Naphthalenone, 3,4,4a,5,6,7-hexahydro-3,3,5,5-tetramethyl-; Tetramethyl octalone (industry shorthand); TMON; Hydrogenated Tetramethyl Naphthalenone
EINECS	Contact for details

Quality Control

Our 3,4,4A,5,6,7-Hexahydro-3,3,5,5-Tetramethylnaphthalene-2(1H)-One is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatography (HPLC/GC) and spectroscopic methods (NMR, IR), to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical parameters are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong acids and incompatible organic solvents. For long-term storage, consider an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
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.