Description

(Z,E)-4-(2-Butenylidene)-3,5,5-Trimethylcyclohex-2-En-1-One is a high-value, unsaturated cyclic ketone known for its unique structural motif and reactivity. This compound serves as a versatile intermediate and building block in advanced organic synthesis, enabling the creation of complex molecular architectures. It is particularly relevant for R&D and production in the pharmaceutical, agrochemical, and fragrance industries, where its specific stereochemistry and functional groups are leveraged for developing active ingredients and specialty chemicals.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the research and development of advanced pesticides, herbicides, and plant growth regulators.
• Fragrance and Flavor Chemistry: Acts as a precursor for synthesizing complex aroma chemicals and specialty odorants.
• Organic Synthesis & Research: A valuable reagent in academic and industrial laboratories for Diels-Alder reactions and other cycloaddition chemistry.
• Material Science: Potential monomer or cross-linking agent in the development of specialty polymers and advanced materials.
• Fine Chemical Production: Intermediate in the multi-step synthesis of other high-value, low-volume specialty chemicals.

Basic Information

Product Name	(Z,E)-4-(2-Butenylidene)-3,5,5-Trimethylcyclohex-2-En-1-One
CAS No.	5492-79-5
Molecular Formula	C13H18O
Molecular Weight	190.28 g/mol
Synonyms	4-(2-Butenylidene)-3,5,5-trimethyl-2-cyclohexen-1-one; 3,5,5-Trimethyl-4-(2-butenylidene)-2-cyclohexen-1-one; (Z,E)-Isomer of 4-(2-Butenylidene)-3,5,5-trimethylcyclohex-2-enone; 4-(1-Methyl-1-propenyl)-3,5,5-trimethyl-2-cyclohexen-1-one; 4-(2-Butenylidene)-3,5,5-trimethylcyclohex-2-enone; 5492-79-5; NSC 163022
EINECS	226-842-1

Quality Control

Our (Z,E)-4-(2-Butenylidene)-3,5,5-Trimethylcyclohex-2-En-1-One is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming compliance with agreed specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This material is light-sensitive and easily oxidized; for long-term storage, consider maintaining under an inert atmosphere such as nitrogen or argon to preserve stability and prevent degradation.

Specification

Item	Specification
Appearance	Yellow to amber liquid or solid
Identification (IR)	Conforms to structure
Purity (HPLC/GC)	≥ 95.0% (Z,E isomer)
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.