Description

Undec-5-En-2-One is a high-purity, unsaturated ketone with the CAS number 40657-56-5. This compound serves as a versatile and valuable intermediate in the synthesis of complex organic molecules, particularly in the fragrance and pharmaceutical sectors. It is essential for manufacturers and R&D chemists seeking a reliable building block for creating novel compounds, flavors, and active ingredients. Its specific structure offers unique reactivity for targeted chemical transformations.

Application

• Fragrance and Flavor Intermediate: A key building block for the synthesis of musk-like and other specialty aroma chemicals.
• Pharmaceutical Synthesis: Used as a chiral intermediate or precursor in the development of active pharmaceutical ingredients (APIs).
• Agrochemical Research: Employed in the creation of novel pesticides, herbicides, and plant growth regulators.
• Organic Synthesis & R&D: A versatile reagent for constructing complex molecular frameworks in academic and industrial research laboratories.
• Fine Chemical Production: Integral in manufacturing specialized chemicals for electronics, polymers, and advanced materials.

Basic Information

Product Name	Undec-5-En-2-One
CAS No.	40657-56-5
Molecular Formula	C₁₁H₂₀O
Molecular Weight	168.28 g/mol
Synonyms	5-Undecen-2-one; 5-Undecen-2-One; Undec-5-en-2-one; 2-Undecen-5-one; 5-Hexen-2-yl pentyl ketone; Pentyl 5-hexen-2-yl ketone
EINECS	Contact for details

Quality Control

Our Undec-5-En-2-One is produced under a stringent quality management system. Each batch undergoes rigorous analytical testing, including GC, HPLC, and NMR, to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from strong bases and incompatible organic solvents. Recommended storage temperature is 2-8°C for long-term stability. Keep container tightly sealed when not in use to prevent contamination and moisture absorption.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Refractive Index (20°C)	1.440 - 1.445
Specific Gravity (20°C)	0.840 - 0.860

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