Description

(2E,4E)-3-Methyl-5-(2,6,6-Trimethyl-1-Cyclohexen-1-Yl)Penta-2,4-Dienenitrile is a high-purity synthetic intermediate belonging to the class of ionones and damascones, characterized by its specific geometric isomerism. This compound matters as a versatile and valuable building block for the synthesis of complex fragrance molecules and fine chemicals, offering precise structural control for end-product performance. It is primarily needed by manufacturers in the fragrance and flavor, pharmaceutical, and advanced organic synthesis industries seeking reliable, high-quality raw materials for their production processes.

Application

• Fragrance & Flavor Industry: A key intermediate in the synthesis of high-value aroma chemicals like damascones and ionones, which are essential for creating sophisticated floral, fruity, and woody notes in perfumes, cosmetics, and food flavorings.
• Pharmaceutical Intermediates: Serves as a crucial precursor in the multi-step synthesis of active pharmaceutical ingredients (APIs) and other bioactive molecules, leveraging its complex cyclic structure.
• Fine Chemical Synthesis: Utilized in research and development for constructing complex organic molecules, including natural product analogs and specialty chemicals, due to its reactive dienenitrile functionality.
• Agrochemicals: Potential use as an intermediate in the development of novel crop protection agents and pheromones, where specific stereochemistry is critical for biological activity.
• Research & Development: Employed in academic and industrial R&D settings for studying cyclization reactions, conjugate addition chemistry, and as a model compound in organic synthesis methodologies.

Basic Information

Product Name	(2E,4E)-3-Methyl-5-(2,6,6-Trimethyl-1-Cyclohexen-1-Yl)Penta-2,4-Dienenitrile
CAS No.	5299-98-9
Molecular Formula	C15H21N
Molecular Weight	215.33 g/mol
Synonyms	3-Methyl-5-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2,4-pentadienenitrile; (E,E)-3-Methyl-5-(2,6,6-trimethyl-1-cyclohexen-1-yl)penta-2,4-dienenitrile; α-Damascone nitrile; 2,4-Pentadienenitrile, 3-methyl-5-(2,6,6-trimethyl-1-cyclohexen-1-yl)-, (2E,4E)-; Damascone nitrile intermediate; Ionone nitrile derivative
EINECS	226-138-5

Quality Control

Our (2E,4E)-3-Methyl-5-(2,6,6-Trimethyl-1-Cyclohexen-1-Yl)Penta-2,4-Dienenitrile is produced under strict quality management systems. Every batch undergoes rigorous analytical testing, including chromatographic purity assays and structural confirmation, to ensure it meets exacting specifications for isomer purity and chemical identity. Certificates of Analysis (COA) documenting all critical parameters are available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong acids and incompatible organic solvents. For long-term storage, consider under an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Purity (HPLC)	≥ 97.0% (sum of E,E isomers)
Isomer Ratio (E,E / others)	≥ 95:5
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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