Description

Octahydro-3,5,5,8,8-Pentamethylnaphthalene-2(1H)-One is a high-purity, synthetic ketone derivative of a fully hydrogenated naphthalene structure, valued for its unique organoleptic and fixative properties. This compound is a key intermediate and functional ingredient in the creation of sophisticated, long-lasting fragrance and flavor profiles. It is primarily sought by manufacturers in the fragrance, flavor, and specialty chemical industries for its stability and ability to enhance product performance.

Application

• Fragrance Industry: Acts as a versatile fragrance intermediate and fixative in fine perfumery, imparting woody, amber, and musk-like notes with excellent stability.
• Flavor Industry: Used as a flavoring agent or intermediate to create complex, nuanced flavor profiles in premium food and beverage applications.
• Chemical Synthesis: Serves as a crucial building block or intermediate in the synthesis of more complex aroma chemicals and pharmaceutical compounds.
• Personal Care Products: Incorporated into high-end soaps, lotions, and cosmetics to provide a stable and long-lasting scent character.
• Household Products: Used in fabric conditioners, detergents, and air fresheners where a persistent and pleasant fragrance is required.
• Research & Development: Utilized in academic and industrial R&D laboratories for studying terpene chemistry and developing novel synthetic pathways.

Basic Information

Item	Details
Product Name	Octahydro-3,5,5,8,8-Pentamethylnaphthalene-2(1H)-One
CAS No.	68856-21-3
Molecular Formula	C15H26O
Molecular Weight	222.37 g/mol
Synonyms	2(1H)-Naphthalenone, octahydro-3,5,5,8,8-pentamethyl-; 3,5,5,8,8-Pentamethyl-1,2,3,4,5,6,7,8-octahydro-2-naphthalenone; Iso E Super® (key component); Tetrahydro-iso-E-Super; 1,2,3,4,5,6,7,8-Octahydro-3,5,5,8,8-pentamethyl-2-naphthalenone; Polysantol; Amberketone; 3,5,5,8,8-Pentamethyl-2-tetralone
EINECS	Contact for details

Quality Control

Our Octahydro-3,5,5,8,8-Pentamethylnaphthalene-2(1H)-One is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing, including GC, HPLC, and NMR, to ensure identity, purity, and consistency meet exacting specifications. Certificates of Analysis (COA) documenting all critical parameters are available upon request to support your quality assurance and regulatory compliance needs.

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.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (GC)	≥ 98.0%
Refractive Index (20°C)	1.495 - 1.505
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.