Description

Undecenoic Acid CAS NO 112-38-9 is an important medium-chain fatty acid featuring a terminal double bond, which provides a reactive site for various chemical transformations. This unique structure makes it a versatile organic intermediate and a key building block in the synthesis of polymers, pharmaceuticals, and specialty chemicals. It is essential for manufacturers in the pharmaceutical, fragrance, and polymer industries seeking a reliable, high-purity raw material for their production processes.

Application

• Pharmaceutical Intermediate: A key starting material in the synthesis of antifungal agents and other active pharmaceutical ingredients (APIs).
• Polymer & Resin Production: Used as a monomer or co-monomer in the manufacture of polyamides, polyesters, and other specialty polymers.
• Fragrance & Flavor Industry: Serves as a precursor for musk-type fragrances and various aroma chemicals.
• Chemical Synthesis: Acts as a versatile organic acid and olefinic building block for producing esters, amides, and other derivatives.
• Personal Care Products: Utilized in the formulation of certain cosmetics and personal care items, often in derivative form.
• Lubricant & Plasticizer Additive: Employed in the production of synthetic lubricants and as an intermediate for plasticizers.

Basic Information

Product Name	Undecenoic Acid
CAS No.	112-38-9
Molecular Formula	C11H20O2
Molecular Weight	184.28 g/mol
Synonyms	10-Undecenoic Acid; Undecylenic Acid; 10-Hendecenoic Acid; 10-Undecenoic Acid; 1-Decene-1-carboxylic Acid; Renselin; Sevinon; Glycon; Undecen-10-oic Acid
EINECS	203-965-8

Quality Control

Our Undecenoic Acid is produced under a stringent quality management system. Every batch undergoes comprehensive analytical testing to ensure it meets high-purity standards suitable for demanding industrial and pharmaceutical applications. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming compliance with agreed specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong bases and oxidizing agents. Recommended storage temperature is between 15°C and 25°C. As a strong acid/organic solvent, handle with appropriate personal protective equipment.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Refractive Index (20°C)	1.447 - 1.449
Specific Gravity (20/20°C)	0.910 - 0.915
Acid Value	300 - 305 mg KOH/g
Iodine Value	135 - 140
Water Content (KF)	≤ 0.2%

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