Description

11-Heneicosanone is a high-purity, long-chain aliphatic ketone with the CAS number 19781-72-7, valued for its role as a versatile chemical intermediate and reference standard. This compound is essential for researchers and manufacturers requiring precise, well-defined molecules for synthesis and analytical applications. It is primarily utilized in the fragrance and flavor industry, organic synthesis, and advanced materials research, where its specific carbon chain length provides unique functional properties.

Application

• Fragrance & Flavor Ingredient: Serves as a key intermediate or building block in the synthesis of complex musk and other specialty aroma chemicals.
• Organic Synthesis: Acts as a crucial starting material or intermediate for synthesizing pharmaceuticals, liquid crystals, and other fine chemicals.
• Analytical Reference Standard: Used as a certified reference material (CRM) in gas chromatography (GC) and mass spectrometry (MS) for method development and quality control.
• Materials Science Research: Investigated for its potential in creating self-assembled monolayers (SAMs), lubricant additives, and polymer modifiers.
• Chemical Intermediate: Employed in the production of surfactants, plasticizers, and other derivatives that leverage its long hydrophobic chain.

Basic Information

Product Name	11-Heneicosanone
CAS No.	19781-72-7
Molecular Formula	C₂₁H₄₂O
Molecular Weight	310.56 g/mol
Synonyms	Heneicosan-11-one; 11-Oxoheneicosane; 11-Ketoheneicosane; NSC 163045; Unsymmetrical Ketone C21; 11-Heneicosanone (primary name)
EINECS	243-310-4

Quality Control

Our 11-Heneicosanone is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including GC, HPLC, and NMR, to ensure identity, purity, and consistency. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment to guarantee compliance with your research and production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline solid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Melting Point	Contact for details

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