Description

2-(5-Methyl-5-Ethenyltetrahydrofuran-2-Yl)-2,6,6-Trimethyl-2H-Pyran-3(6H)-One is a high-purity, specialized fragrance and flavor intermediate known for its unique woody, ambergris-like olfactory profile. This compound is valued for its ability to impart long-lasting, complex, and natural nuances to premium fragrance compositions and sophisticated flavor systems. It is primarily sought after by manufacturers in the fine fragrance, personal care, and high-end flavor industries for creating distinctive and stable aromatic products.

Application

• Fragrance Industry: A key building block for high-value perfumery, used in the synthesis of ambergris-type odorants, woody accords, and fixatives for fine fragrances, colognes, and personal care products.
• Flavor Industry: Employed as a specialty flavoring agent to impart subtle woody, tobacco, or tea-like notes in premium food and beverage applications.
• Aroma Chemical Synthesis: Serves as a critical intermediate in the multi-step synthesis of other complex fragrance molecules, leveraging its unique bicyclic structure.
• Cosmetic Ingredients: Used in the formulation of luxury skincare, lotions, and soaps where a stable and long-lasting fragrance character is required.
• Household & Fine Fragrances: Incorporated into high-end air fresheners, diffusers, and scented candles for its persistent and diffusive aromatic qualities.

Basic Information

Product Name	2-(5-Methyl-5-Ethenyltetrahydrofuran-2-Yl)-2,6,6-Trimethyl-2H-Pyran-3(6H)-One
CAS No.	54783-60-7
Molecular Formula	C15H22O3
Molecular Weight	250.33 g/mol
Synonyms	Ambrocenide; 2-(5-Methyl-5-vinyltetrahydrofuran-2-yl)-2,6,6-trimethyl-3,6-dihydro-2H-pyran-3-one; 2-(5-Methyl-5-vinyltetrahydro-2-furanyl)-2,6,6-trimethyl-3,6-dihydro-2H-pyran-3-one; 3,6-Dihydro-2-(5-methyl-5-vinyltetrahydro-2-furanyl)-2,6,6-trimethyl-2H-pyran-3-one; Ambroxan precursor; Woody Ambergris Ketone; Contact for additional synonyms.
EINECS	Contact for details

Quality Control

Our 2-(5-Methyl-5-Ethenyltetrahydrofuran-2-Yl)-2,6,6-Trimethyl-2H-Pyran-3(6H)-One is produced and controlled under a strict quality management system to ensure batch-to-batch consistency and high purity suitable for fragrance and flavor applications. Each lot is analyzed using advanced chromatographic and spectroscopic techniques. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with every shipment to support your quality assurance protocols.

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). This material is easily oxidized; for long-term storage, consider maintaining under an inert atmosphere (e.g., nitrogen) to preserve stability and prevent degradation. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (GC)	≥ 97.0%
Refractive Index (20°C)	1.485 - 1.495
Specific Gravity (20/20°C)	1.010 - 1.030
Related Substances (GC)	Total impurities ≤ 3.0%

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