Description

3,5-Heptadien-2-One, (3E,5E)- (9Ci) is a high-purity conjugated dienone compound with the CAS number 18402-90-9. This chemical serves as a valuable building block and intermediate in advanced organic synthesis, prized for its defined stereochemistry and reactive dienone system. It is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors developing novel active ingredients and complex molecules.

Application

• Pharmaceutical Intermediate: A key synthon in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs), particularly those requiring specific stereochemistry.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides, herbicides, and plant growth regulators.
• Flavor & Fragrance Ingredient: Serves as a precursor for the synthesis of specific aroma chemicals and flavor compounds.
• Material Science Research: Employed as a monomer or cross-linking agent in the development of novel polymers and advanced organic materials.
• Academic & R&D Laboratories: A critical reagent for methodological development in organic chemistry, including Diels-Alder reactions and other cycloadditions.
• Fine Chemical Production: Acts as an intermediate for manufacturing other specialty chemicals, dyes, and photoactive compounds.

Basic Information

Product Name	3,5-Heptadien-2-One, (3E,5E)- (9Ci)
CAS No.	18402-90-9
Molecular Formula	C7H10O
Molecular Weight	110.15 g/mol
Synonyms	(3E,5E)-3,5-Heptadien-2-one; (E,E)-3,5-Heptadien-2-one; 3,5-Heptadien-2-one, (3E,5E)-; trans,trans-3,5-Heptadien-2-one; 2-Hepten-4-one, (E,E)-; 1-Methyl-1,3,5-hexatrien-3-one; (E,E)-1-Methyl-1,3,5-hexatrien-3-one
EINECS	Contact for details

Quality Control

Our 3,5-Heptadien-2-One, (3E,5E)- (9Ci) is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including chromatographic purity analysis and spectroscopic identification, to ensure it meets the highest standards for research and industrial use. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and specific impurity profiles is provided with every shipment to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, and well-ventilated place. Recommended storage temperature is 2-8°C for long-term stability. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0% (Area %)
Isomeric Purity ((E,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.