Description

3,4,4A,5,6,7-Hexahydro-1,1,4A-Trimethyl-2(1H)-Naphthalenone is a high-purity, specialized ketone derivative of the decalin family, valued for its unique bicyclic structure and organoleptic properties. This compound is a critical intermediate and building block in fine chemical synthesis, offering a versatile foundation for complex molecular architectures. It is primarily sought by flavor and fragrance manufacturers, pharmaceutical research units, and specialty chemical producers for its utility in creating sophisticated aroma profiles and active pharmaceutical ingredients.

Application

• Flavor and Fragrance (F&F) Industry: A key intermediate in the synthesis of complex musks, woody, and amber aroma chemicals, contributing to long-lasting fragrance profiles in perfumes, cosmetics, and personal care products.
• Pharmaceutical Intermediates: Serves as a crucial chiral building block in the research and development of novel therapeutic agents, particularly in steroid-like or complex polycyclic molecule synthesis.
• Organic Synthesis: Used as a versatile starting material or intermediate in academic and industrial research for Diels-Alder reactions, hydrogenation studies, and the construction of complex natural product analogs.
• Agrochemicals: Potential intermediate in the development of advanced pesticides and herbicides, leveraging its stable, functionalized decalin core.
• High-Performance Materials: Investigated for use in the synthesis of specialty polymers and liquid crystals where its rigid bicyclic structure can impart desired physical properties.

Basic Information

Product Name	3,4,4A,5,6,7-Hexahydro-1,1,4A-Trimethyl-2(1H)-Naphthalenone
CAS No.	4668-61-5
Molecular Formula	C₁₃H₂₀O
Molecular Weight	192.30 g/mol
Synonyms	1,1,4a-Trimethyl-4,4a,5,6,7,8-hexahydro-2(3H)-naphthalenone; 1,1,4a-Trimethyl-4,4a,5,6,7,8-hexahydro-2H-naphthalen-2-one; 4,4a,5,6,7,8-Hexahydro-1,1,4a-trimethyl-2(3H)-naphthalenone; 2(1H)-Naphthalenone, 3,4,4a,5,6,7-hexahydro-1,1,4a-trimethyl-; Decahydro-1,1,4a-trimethyl-6-methylene-2-naphthalenone (related isomer); Tetrahydroionone derivative; Woody ketone intermediate.
EINECS	225-124-6

Quality Control

Our production of 3,4,4A,5,6,7-Hexahydro-1,1,4A-Trimethyl-2(1H)-Naphthalenone adheres to a stringent quality management system. Every batch undergoes comprehensive analytical testing including GC/HPLC for assay and impurity profiling, identity confirmation via FT-IR and NMR, and physical property verification. We provide Certificates of Analysis (COA) with each shipment, detailing all critical specifications to ensure traceability and compliance with your internal standards and global regulatory expectations.

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 flames. The container must be kept tightly sealed to prevent contamination and moisture absorption.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (20°C)	1.495 - 1.505
Specific Gravity (20/20°C)	0.970 - 0.990

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