Description

(E)&(Z)-4,8-Dimethyl-3,7-Nonadien-2-One CAS NO 817-88-9 is a high-purity, unsaturated ketone characterized by its distinct molecular structure. This compound serves as a valuable intermediate and building block in advanced organic synthesis, prized for its reactivity and specific stereochemistry. It is essential for R&D chemists and manufacturers in the fragrance, flavor, and pharmaceutical industries seeking to create complex, high-value molecules.

Application

• Fragrance & Flavor Intermediate: A key precursor in the synthesis of terpenoid-based aroma chemicals, contributing to woody, floral, or citrus notes in fine perfumery and flavorings.
• Pharmaceutical Synthesis: Utilized as a chiral building block or intermediate in the research and development of active pharmaceutical ingredients (APIs) and other bioactive compounds.
• Agrochemicals: Serves as an intermediate in the production of certain pesticides and plant growth regulators, leveraging its reactive ketone functionality.
• Organic Synthesis & Research: A versatile reagent for Diels-Alder reactions, carbonyl chemistry, and other transformations in academic and industrial research laboratories.
• Specialty Chemicals: Used in the manufacture of advanced materials, including certain polymers and fine chemicals requiring specific structural motifs.

Basic Information

Product Name	(E)&(Z)-4,8-Dimethyl-3,7-Nonadien-2-One
CAS No.	817-88-9
Molecular Formula	C11H18O
Molecular Weight	166.26 g/mol
Synonyms	4,8-Dimethylnona-3,7-dien-2-one; Geranylacetone (isomer mixture); (E/Z)-Pseudoionone; 3,7-Nonadien-2-one, 4,8-dimethyl-; 6,10-Dimethyl-5,9-undecadien-2-one (common misnomer); Pseudoionone; (E)- and (Z)-4,8-Dimethyl-3,7-nonadien-2-one
EINECS	212-460-0

Quality Control

Our production of (E)&(Z)-4,8-Dimethyl-3,7-Nonadien-2-One adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including GC, HPLC, and NMR, to ensure identity, purity, and isomer ratio consistency. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming compliance with agreed specifications. We support cGMP and ISO 9001 standards for reliable, traceable supply to critical industries.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). This material is easily oxidized (store under inert atmosphere) and light-sensitive. Keep away from heat, sparks, open flames, and strong oxidizing agents.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 95.0% (Total Isomers)
Isomer Ratio (E/Z)	As per customer requirement
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.