Description

5-Ethyl-2-Methyl-5-Hepten-3-One is a specialized aliphatic ketone with a unique branched, unsaturated structure, serving as a valuable intermediate in fine chemical synthesis. Its molecular architecture makes it a versatile building block for creating complex molecules, offering chemists a tool for introducing specific carbon chains and functional groups. This compound is primarily sought after by research and development laboratories, flavor and fragrance houses, and manufacturers of advanced agrochemicals and pharmaceuticals for use in multi-step synthetic routes.

Application

• Flavor and Fragrance Ingredient: Used as a key intermediate or aroma chemical in the synthesis of complex esters and ketones that contribute to fruity, green, or woody olfactory notes.
• Pharmaceutical Intermediate: Serves as a crucial building block in the research and development of active pharmaceutical ingredients (APIs), particularly for introducing specific alkyl side chains.
• Agrochemical Synthesis: Employed in the production of advanced pesticides, herbicides, and plant growth regulators where its specific carbon skeleton is required.
• Organic Synthesis Reagent: Acts as a versatile electrophile or nucleophile in various organic reactions, including aldol condensations and Michael additions, within R&D and pilot-scale chemical production.
• Specialty Polymer Modifier: Utilized as a monomer or co-monomer in the synthesis of specialty polymers with tailored properties for niche industrial applications.

Basic Information

Product Name	5-Ethyl-2-Methyl-5-Hepten-3-One
CAS No.	49833-97-8
Molecular Formula	C10H18O
Molecular Weight	154.25 g/mol
Synonyms	5-Ethyl-2-methyl-5-hepten-3-one; 2-Methyl-5-ethyl-5-hepten-3-one; Ethyl Methyl Heptenone; Unsaturated C10 Ketone; 5-Hepten-3-one, 5-ethyl-2-methyl-; FEMA 4415 (when used as a flavor ingredient)
EINECS	256-485-8

Quality Control

Every batch of 5-Ethyl-2-Methyl-5-Hepten-3-One is produced and tested under a strict quality management system. Our products undergo rigorous analytical testing, including GC, HPLC, and NMR, to ensure identity, purity, and consistency meet the high standards required for research and industrial synthesis. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with each shipment to guarantee full traceability and compliance with your specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from heat sources and incompatible materials such as strong oxidizing agents. Recommended storage temperature is between 15°C and 25°C (59°F and 77°F). Keep container tightly sealed when not in use to maintain product integrity.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Refractive Index (20°C)	1.440 - 1.445
Specific Gravity (20/20°C)	0.845 - 0.855
Water Content (KF)	≤ 0.5%

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