Description

3,5-Hexadien-2-One, 3,4-Dimethyl-, (E)- (9Ci) is a specialized organic compound belonging to the class of conjugated dienones, serving as a valuable building block in advanced organic synthesis. Its precise stereochemistry and functional group arrangement make it a critical intermediate for synthesizing complex molecules in pharmaceutical and agrochemical research. This high-purity chemical is essential for R&D chemists and process development scientists working on novel active ingredients, flavors, and fragrances.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the synthesis of complex drug candidates and active pharmaceutical ingredients (APIs).
• Agrochemical Research: Used in developing novel pesticides, herbicides, and plant growth regulators due to its reactive dienone structure.
• Flavor & Fragrance (F&F) Industry: Serves as a precursor for creating specific terpenoid and musk-related aroma compounds.
• Material Science: Acts as a monomer or cross-linking agent in the development of specialized polymers and resins.
• Academic & Industrial R&D: A versatile reagent in methodological chemistry for Diels-Alder reactions and other cycloadditions.
• Fine Chemical Synthesis: Employed in the multi-step production of specialty chemicals and advanced organic materials.

Basic Information

Product Name	3,5-Hexadien-2-One, 3,4-Dimethyl-, (E)- (9Ci)
CAS No.	89128-18-7
Molecular Formula	C8H12O
Molecular Weight	124.18 g/mol
Synonyms	(E)-3,4-Dimethyl-3,5-hexadien-2-one; trans-3,4-Dimethyl-3,5-hexadien-2-one; 3,5-Hexadien-2-one, 3,4-dimethyl-, (E)-; 3,4-Dimethyl-3,5-hexadien-2-one; (3E)-3,4-Dimethylhexa-3,5-dien-2-one
EINECS	Contact for details

Quality Control

Every batch of 3,5-Hexadien-2-One, 3,4-Dimethyl-, (E)- (9Ci) is produced under strict quality management systems. We guarantee high chemical purity and consistent isomeric composition, supported by comprehensive analytical testing including GC, HPLC, and NMR. A Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to ensure it meets your specific research or production requirements.

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 compound is easily oxidized and should be handled under an inert atmosphere (e.g., nitrogen or argon) for long-term storage or after opening to maintain stability and purity. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0% (Area %)
Isomeric Purity ((E)-isomer)	≥ 95.0%
Water Content (KF)	≤ 0.5%

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