Description

Undecanoic Acid is a versatile, naturally occurring medium-chain fatty acid with the CAS registry number 112-37-8. It serves as a critical building block in the synthesis of high-value intermediates, fragrances, and specialty polymers. This compound is essential for manufacturers in the flavors & fragrances, pharmaceutical, and agrochemical industries seeking reliable, high-purity raw materials for their production processes.

Application

• Flavor and Fragrance Ingredient: Used as a key intermediate in the synthesis of fruity and waxy aroma compounds, such as undecanal and undecanol.
• Pharmaceutical Intermediates: Acts as a starting material for the production of active pharmaceutical ingredients (APIs) and diagnostic agents.
• Agrochemical Synthesis: Employed in the manufacture of specialized pesticides, herbicides, and plant growth regulators.
• Polymer and Plasticizer Production: Serves as a monomer or modifier in the creation of polyamides, polyesters, and specialty plasticizers.
• Lubricant and Metalworking Fluid Additive: Provides corrosion inhibition and lubricity in synthetic and semi-synthetic formulations.
• Cosmetic and Personal Care: Used in the synthesis of emollients, surfactants, and other functional ingredients for skincare products.
• Research & Development: A valuable reference standard and reagent in organic chemistry research and analytical laboratories.

Basic Information

Product Name	Undecanoic Acid
CAS No.	112-37-8
Molecular Formula	C11H22O2
Molecular Weight	186.29 g/mol
Synonyms	Hendecanoic Acid; n-Undecanoic Acid; Undecylic Acid; 1-Decanecarboxylic Acid; C11:0 Fatty Acid; n-Undecylic Acid; Undecoic Acid
EINECS	203-964-2

Quality Control

Our Undecanoic Acid is produced under a stringent quality management system. Each batch undergoes comprehensive analytical testing, including chromatography (GC/HPLC) and titration methods, to ensure it meets exacting purity and consistency standards. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with agreed specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizers, strong bases, and heat sources.

Specification

Item	Specification
Appearance	White to off-white crystalline solid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Melting Point	28 - 31 °C
Acid Value	298 - 302 mg KOH/g
Heavy Metals (as Pb)	≤ 10 ppm
Residue on Ignition	≤ 0.1%
Water Content (KF)	≤ 0.5%

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