Description

(E)-5-Methylhex-3-En-2-One is a high-purity, unsaturated ketone characterized by its distinct chemical structure and highly volatile nature. This compound is valued in advanced organic synthesis for its role as a versatile chiral building block and flavor/fragrance intermediate. It is primarily sought after by manufacturers in the flavor and fragrance industry, as well as by research and development laboratories focusing on fine chemical synthesis and pharmaceutical intermediates.

Application

• Flavor and Fragrance Ingredient: Serves as a key intermediate in the synthesis of complex aroma chemicals, contributing to fruity, green, or woody olfactory notes.
• Pharmaceutical Intermediate: Used in the research and production of active pharmaceutical ingredients (APIs) requiring specific chiral centers or unsaturated ketone functionalities.
• Organic Synthesis Building Block: Acts as a versatile precursor in Michael additions, aldol condensations, and other carbon-carbon bond-forming reactions.
• Agrochemical Synthesis: Employed in the development of certain pesticides and herbicides where its structural motif is beneficial.
• Research & Development: Utilized in academic and industrial R&D for studying reaction mechanisms and developing new synthetic methodologies.
• Fine Chemical Production: Integral to the manufacture of specialty chemicals used in electronics, coatings, and advanced materials.

Basic Information

Product Name	(E)-5-Methylhex-3-En-2-One
CAS No.	1821-29-0
Molecular Formula	C7H12O
Molecular Weight	112.17 g/mol
Synonyms	(E)-5-Methyl-3-hexen-2-one; (E)-5-Methylhex-3-en-2-one; 5-Methyl-3-hexen-2-one (E)-; trans-5-Methyl-3-hexen-2-one; 3-Hexen-2-one, 5-methyl-, (E)-; 5-Methyl-trans-3-hexen-2-one; FEMA 4006; (E)-5-Methyl-3-hexene-2-one
EINECS	217-341-7

Quality Control

Our (E)-5-Methylhex-3-En-2-One is produced under stringent quality management systems. Each batch undergoes comprehensive analytical testing including GC, HPLC, and NMR to ensure identity, purity, and consistency. We provide detailed Certificates of Analysis (COA) with every shipment, documenting all critical specifications. Our quality commitment ensures the material is suitable for demanding applications in flavor, fragrance, and pharmaceutical synthesis.

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, ensure containers are kept tightly sealed when not in use. Recommended storage temperature is 2-8°C for long-term stability, though short-term storage at controlled room temperature (15-25°C) is acceptable. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (GC)	≥ 98.0%
Isomeric Purity ((E)-isomer)	≥ 99.0%
Water Content (KF)	≤ 0.5%
Refractive Index (20°C)	1.435 - 1.445
Specific Gravity (20/20°C)	0.850 - 0.870

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