Description

3,4,6,7,8,9-Hexahydro-4,6,6,9,9-Pentamethyl-1H-Naphtho[2,3-C]Pyran is a high-purity synthetic organic compound, recognized for its unique fused-ring structure and valued as a versatile intermediate in advanced chemical synthesis. Its molecular architecture makes it a critical building block for creating complex molecules with specific olfactory or functional properties. This product is essential for R&D laboratories and manufacturers in the fragrance, flavor, and specialty chemical industries seeking reliable, high-quality intermediates.

Application

• Fragrance & Flavor Industry: Serves as a key intermediate in the synthesis of complex musks and other specialty aroma chemicals.
• Pharmaceutical Research: Used as a sophisticated building block in the development of novel active pharmaceutical ingredients (APIs) and drug candidates.
• Organic Synthesis: Acts as a versatile precursor for creating complex polycyclic structures in academic and industrial research settings.
• Agrochemical Development: Employed in the research and synthesis of new generation crop protection agents and pesticides.
• Material Science: Investigated as a monomer or additive for creating specialized polymers and advanced organic materials.

Basic Information

Product Name	3,4,6,7,8,9-Hexahydro-4,6,6,9,9-Pentamethyl-1H-Naphtho[2,3-C]Pyran
CAS No.	1922-67-4
Molecular Formula	C₁₈H₂₆O
Molecular Weight	258.40 g/mol
Synonyms	1H-Naphtho[2,3-c]pyran, 3,4,6,7,8,9-hexahydro-4,6,6,9,9-pentamethyl-; Galaxolide intermediate; HHCB intermediate; 1,3,4,6,7,8-Hexahydro-4,6,6,7,8,8-hexamethylcyclopenta[g]-2-benzopyran (related isomer); Polycyclic musk intermediate; 4,6,6,9,9-Pentamethyl-3,4,6,7,8,9-hexahydro-1H-naphtho[2,3-c]pyran; 6-Acetyl-1,1,2,3,3,8-hexamethyl-2,3,4,5,6,7-hexahydro-1H-indene (common precursor name); Abbreviation: HHCB-Int.
EINECS	217-667-6

Quality Control

Our 3,4,6,7,8,9-Hexahydro-4,6,6,9,9-Pentamethyl-1H-Naphtho[2,3-C]Pyran is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatographic purity assays and identity confirmation, to ensure it meets exacting specifications for use in sensitive applications. A comprehensive Certificate of Analysis (COA) detailing purity, impurities, and physical parameters is provided with every shipment to guarantee traceability and compliance.

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. For long-term storage, consider an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow viscous liquid
Identification (IR)	Conforms to reference spectrum
Assay (GC/HPLC)	≥ 98.0%
Related Substances (GC/HPLC)	Total impurities ≤ 2.0%
Water Content (KF)	≤ 0.5%
Refractive Index (20°C)	1.520 - 1.530
Specific Gravity (20°C)	0.980 - 1.020

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