Description

5-Methyl-4-Hexen-3-One is a highly volatile, unsaturated ketone with a distinctive, fruity-green odor profile. This compound is valued as a versatile intermediate and a key building block in the synthesis of complex organic molecules, particularly in the fragrance and flavor industry. It serves as a critical raw material for manufacturers of specialty chemicals, aroma chemicals, and pharmaceutical intermediates who require consistent quality and reliable supply.

Application

• Fragrance and Flavor Ingredient: Used as a key component in creating green, fruity, and woody olfactory notes for perfumes, cosmetics, and food flavorings.
• Chemical Intermediate: Serves as a crucial building block in organic synthesis, particularly for the production of more complex ketones, alcohols, and terpenoid derivatives.
• Pharmaceutical Synthesis: Acts as a specialized intermediate in the research and development of active pharmaceutical ingredients (APIs) and other fine chemicals.
• Agrochemical Production: Utilized in the synthesis of certain pesticides and herbicides, leveraging its reactive carbonyl and alkene functionalities.
• Research & Development: Employed in academic and industrial R&D laboratories for studying organic reaction mechanisms and developing new synthetic methodologies.

Basic Information

Product Name	5-Methyl-4-Hexen-3-One
CAS No.	13905-10-7
Molecular Formula	C7H12O
Molecular Weight	112.17 g/mol
Synonyms	4-Hexen-3-one, 5-methyl-; 5-Methylhex-4-en-3-one; Isobutylideneacetone; 3-Methyl-2-penten-4-one; 5-Methyl-4-hexene-3-one; Isobutylidene acetone; Methylhexenone
EINECS	237-681-1

Quality Control

Our 5-Methyl-4-Hexen-3-One is produced under a strict quality management system to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced chromatographic and spectroscopic techniques (GC, HPLC, IR) to verify identity, potency, and impurity profiles. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat sources and open flame. Due to its highly volatile nature, keep container tightly sealed when not in use. Recommended storage temperature: 2-8°C for extended stability.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (GC)	≥ 98.0%
Refractive Index (20°C)	1.428 - 1.432
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.