Description

3,5,6,7,8,8A-Hexahydro-5,7,7-Trimethyl-2(1H)-Naphthalenone is a high-purity, synthetic ketone derivative of tetrahydroionone, valued for its unique woody, amber, and tobacco-like fragrance profile. This compound is a critical intermediate and key aromatic component in the creation of sophisticated, long-lasting perfumes and fine fragrances. It is essential for manufacturers in the flavors and fragrances (F&F) industry, as well as for research and development chemists working on novel aroma chemicals and specialty intermediates.

Application

• Fine Fragrance Formulation: Serves as a core building block and base note in premium perfumes, colognes, and eau de toilettes, imparting rich woody, amber, and leathery nuances.
• Functional Fragrance Products: Used in high-end personal care items, luxury soaps, detergents, and fabric conditioners to provide a stable and distinctive scent character.
• Aroma Chemical Synthesis: Acts as a key intermediate in the multi-step synthesis of more complex fragrance molecules and specialty odorants.
• Tobacco Flavoring: Employed to enhance and modify the aromatic profile of tobacco products.
• Research & Development: Utilized in academic and industrial R&D labs for studying structure-odor relationships and developing new fragrance ingredients.
• Household & Air Care: Incorporated into premium air fresheners, candles, and diffusers for a sophisticated ambient scent.

Basic Information

Product Name	3,5,6,7,8,8A-Hexahydro-5,7,7-Trimethyl-2(1H)-Naphthalenone
CAS No.	75314-20-4
Molecular Formula	C₁₃H₂₀O
Molecular Weight	192.30 g/mol
Synonyms	5,7,7-Trimethyl-2(1H)-octahydronaphthalenone; 5,7,7-Trimethyl-1,2,3,5,6,7,8,8a-octahydro-2-naphthalenone; Tetrahydroionone; Dihydroionone; 5,7,7-Trimethyloctahydronaphthalen-2(1H)-one; Amberketone; Amber Wood Ketone; Tobacco Ketone
EINECS	Contact for details

Quality Control

Our 3,5,6,7,8,8A-Hexahydro-5,7,7-Trimethyl-2(1H)-Naphthalenone is produced under strict quality management systems. Every batch undergoes rigorous analytical testing, including GC and GC-MS, to ensure high purity, consistent olfactory profile, and batch-to-batch reliability. Certificates of Analysis (COA) detailing identity, purity, and specific impurity limits are provided with each shipment to support your quality assurance protocols.

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 strong oxidizing agents and heat sources.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (GC)	≥ 98.0%
Refractive Index (20°C)	1.498 - 1.508
Specific Gravity (20/20°C)	0.960 - 0.980
Related Substances (GC)	Total impurities ≤ 2.0%

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