Description

5-Undecanone is a versatile aliphatic ketone with a distinct, fruity-waxy odor profile, valued for its role as a key intermediate and fragrance component. Its chemical structure makes it a valuable building block for synthesizing more complex molecules in fine chemical and pharmaceutical manufacturing. This product is essential for industries requiring high-purity specialty ketones for research, flavor & fragrance creation, and organic synthesis.

Application

• Flavor and Fragrance (F&F) Industry: Used as a key aroma chemical and fragrance intermediate, imparting fruity, waxy, and creamy notes to perfumes, cosmetics, and food flavorings.
• Organic Synthesis: Serves as a crucial building block and intermediate in the synthesis of pharmaceuticals, agrochemicals, and other complex organic compounds.
• Chemical Research & Development: Employed as a standard or reagent in R&D laboratories for method development and exploratory chemistry.
• Solvent and Extraction Agent: Functions as a specialty solvent for specific applications in coatings, resins, and extraction processes due to its organic solvent properties.
• Plasticizer and Polymer Additive: Acts as a precursor or intermediate in the production of plasticizers and other polymer additives.

Basic Information

Product Name	5-Undecanone
CAS No.	33083-83-9
Molecular Formula	C₁₁H₂₂O
Molecular Weight	170.29 g/mol
Synonyms	5-Hendecanone; Dihydrojasmone; Undecan-5-one; Amyl Hexyl Ketone; n-Amyl n-hexyl ketone; Hexyl amyl ketone; FEMA 3092
EINECS	251-354-1

Quality Control

Our 5-Undecanone is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing including GC, IR, and NMR to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming compliance with agreed specifications. We support compliance with REACH and other relevant global regulatory frameworks.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat sources and incompatible materials such as strong bases and oxidizing agents. Due to its highly volatile nature, ensure containers are kept tightly sealed when not in use. Recommended storage temperature: 15-25°C.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Refractive Index (20°C)	1.428 - 1.432
Specific Gravity (20/20°C)	0.822 - 0.828
Water Content (KF)	≤ 0.1%

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