Description

α-Curcumene is a naturally occurring sesquiterpene hydrocarbon, a key aromatic constituent found in turmeric and other essential oils. Its distinct, warm, and woody-spicy aroma profile makes it a valuable intermediate and fragrance ingredient for creating sophisticated scents. This compound is primarily sought after by manufacturers in the flavor and fragrance, cosmetic, and aromatherapy industries. Its consistent quality and purity are critical for ensuring the stability and performance of final formulations.

Application

• Fragrance & Perfumery: A key building block for creating warm, woody, and spicy accords in fine fragrances, personal care products, and home scents.
• Flavor Enhancement: Used as a flavoring agent to impart subtle spicy and earthy notes in food and beverage applications.
• Cosmetic Formulations: Incorporated into skincare and cosmetic products for its aromatic properties and potential soothing benefits.
• Aromatherapy & Essential Oils: Serves as a valuable component in therapeutic essential oil blends and diffuser products.
• Chemical Synthesis: Acts as a chiral intermediate or starting material in the synthesis of more complex fragrance molecules and fine chemicals.
• Research & Development: Utilized in academic and industrial R&D for studying terpene chemistry, natural product isolation, and biological activity.

Basic Information

Product Name	α-Curcumene
CAS No.	644-30-4
Molecular Formula	C15H24
Molecular Weight	204.35 g/mol
Synonyms	α-Curcumene; (S)-α-Curcumene; (-)-α-Curcumene; 1-Methyl-4-(6-methylhepta-1,5-dien-2-yl)cyclohex-1-ene; Ar-Turmerone; Turmerone; (S)-1-Methyl-4-[(1S)-6-methylhepta-1,5-dien-2-yl]cyclohex-1-ene
EINECS	211-425-1

Quality Control

Our α-Curcumene is produced and tested under strict quality management protocols to ensure batch-to-batch consistency and high purity. We adhere to relevant industry standards for fragrance and flavor ingredients. A comprehensive Certificate of Analysis (COA) is provided with each shipment, detailing key parameters such as identity, purity, and specific rotation. Our quality commitment ensures you receive a reliable material suitable for demanding applications.

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 light-sensitive and easily oxidized; prolonged exposure to air and light should be avoided to maintain stability and purity. For long-term storage, consider an inert atmosphere.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (GC)	≥ 95.0%
Specific Rotation [α]20/D	-30° to -40° (c=1 in CHCl3)
Refractive Index n20/D	1.500 - 1.510
Relative Density (20°C)	0.920 - 0.935

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