Description

4-(2,2,6-Trimethyl-7-Oxabicyclo[4.1.0]Hept-1-Yl)-3-Buten-2-One is a high-value fragrance and flavor intermediate known for its unique woody, amber, and tobacco-like olfactory characteristics. This compound is prized for its ability to impart complex, long-lasting notes and enhance the overall performance of fragrance compositions. It is primarily sought after by manufacturers in the flavor and fragrance (F&F) industry, as well as producers of fine chemicals for specialty applications.

Application

• Fragrance Formulation: A key ingredient in creating sophisticated woody, amber, and tobacco accords for perfumes, colognes, and personal care products.
• Flavor Enhancement: Used to impart subtle, complex nuances in tobacco flavorings and certain specialty food flavorings.
• Functional Perfumery: Incorporated into air fresheners, detergents, and fabric softeners to provide stable, long-lasting scent profiles.
• Chemical Synthesis: Serves as a versatile chiral building block or intermediate in the synthesis of more complex aroma chemicals and pharmaceuticals.
• Cosmetic Ingredients: Used in premium skincare and haircare products where fragrance longevity and stability are critical.

Basic Information

Product Name	4-(2,2,6-Trimethyl-7-Oxabicyclo[4.1.0]Hept-1-Yl)-3-Buten-2-One
CAS No.	23267-57-4
Molecular Formula	C14H22O2
Molecular Weight	222.32 g/mol
Synonyms	Ambroxide Precursor; 3-Buten-2-one, 4-(2,2,6-trimethyl-7-oxabicyclo[4.1.0]hept-1-yl)-; 7-Oxabicyclo[4.1.0]heptane, 1-(3-oxo-1-buten-1-yl)-2,2,6-trimethyl-; Tobacco Ketone; Amber Ketone; Norambreinolide derivative; (1R,6R)-4-(2,2,6-Trimethyl-7-oxabicyclo[4.1.0]hept-1-yl)but-3-en-2-one
EINECS	Contact for details

Quality Control

Our production of 4-(2,2,6-Trimethyl-7-Oxabicyclo[4.1.0]Hept-1-Yl)-3-Buten-2-One adheres to stringent quality management protocols to ensure batch-to-batch consistency and purity suitable for flavor and fragrance applications. Each lot is analyzed using advanced chromatographic and spectroscopic techniques. Certificates of Analysis (COA) documenting identity, purity, and olfactory profile are provided with every shipment.

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). This material is easily oxidized and should be stored under an inert atmosphere (e.g., nitrogen) for long-term storage to maintain optimal quality and stability. 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)	≥ 98.0%
Refractive Index (20°C)	1.495 - 1.505
Specific Gravity (20/20°C)	0.980 - 1.010
Optical Rotation	Contact for details

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