Description

(-)-α-Gurjunene CAS NO 489-40-7 is a high-purity, naturally derived sesquiterpene hydrocarbon, prized for its distinct woody and balsamic aromatic profile. This enantiomerically pure compound is essential for formulators seeking authentic and complex natural fragrance compositions. It serves as a valuable building block and reference standard for the fragrance, flavor, and aromatherapy industries, where consistent quality and specific stereochemistry are critical for product performance and authenticity.

Application

• Fragrance & Perfumery: A key natural ingredient for creating sophisticated woody, ambery, and balsamic base notes in fine fragrances, personal care products, and home scents.
• Flavor Enhancement: Used as a subtle, natural flavoring agent to impart woody, earthy nuances in specialty food and beverage applications.
• Aromatherapy & Wellness: Employed in therapeutic-grade essential oil blends for its grounding and calming aromatic properties.
• Chemical Synthesis: Serves as a chiral starting material or intermediate in the synthesis of more complex fragrance molecules and fine chemicals.
• Research & Development: Used as an analytical reference standard (GC, GC-MS, NMR) for the identification and quantification of gurjunene in natural extracts and commercial products.
• Natural Product Isolation: A target compound for isolation and purification from botanical sources like gurjun balsam and other essential oils.

Basic Information

Product Name	(-)-α-Gurjunene
CAS No.	489-40-7
Molecular Formula	C15H24
Molecular Weight	204.35 g/mol
Synonyms	(-)-α-Gurjunene; (1S,4R,4aR,8aR)-4-Isopropyl-1,6-dimethyl-1,2,3,4,4a,7,8,8a-octahydronaphthalene; α-Gurjunene; Gurjunene; (-)-α-Gurjunene; α-Gurjunene; (1S,4R,4aR,8aR)-1,2,3,4,4a,7,8,8a-Octahydro-4-isopropyl-1,6-dimethylnaphthalene
EINECS	207-680-9

Quality Control

Our (-)-α-Gurjunene is produced and tested under strict quality management protocols. Each batch is analyzed to ensure high enantiomeric purity and chemical identity, meeting the stringent requirements of the fragrance and flavor industries. A comprehensive Certificate of Analysis (COA) detailing purity, chiral purity (enantiomeric excess), and chromatographic profile is provided with every shipment to guarantee traceability and batch-to-batch consistency.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen) in a cool, dry, and well-ventilated area at 2-8°C for long-term stability. This product is light-sensitive and easily oxidized; minimize exposure to air, heat, and light during handling to preserve quality.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Identification (GC-MS)	Conforms to reference
Assay (GC)	≥ 95.0%
Enantiomeric Purity (Chiral GC)	≥ 98.0% (-)-enantiomer
Refractive Index (20°C)	1.498 - 1.508
Specific Gravity (20°C)	0.900 - 0.920

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