Description

Di-n-Undecylamine is a high-purity, long-chain primary amine with the CAS number 16165-33-6. This compound serves as a versatile intermediate and functional additive, valued for its surfactant properties and reactivity as a nitrogen-containing building block. It is essential for manufacturers in the chemical synthesis, agrochemical, and specialty materials sectors seeking reliable, high-quality raw materials.

Application

• Chemical Intermediate: A key building block for synthesizing quaternary ammonium compounds, corrosion inhibitors, and other nitrogen-based specialty chemicals.
• Surfactant & Emulsifier Production: Used in the manufacture of cationic surfactants for industrial cleaners, fabric softeners, and personal care formulations.
• Agrochemical Additive: Functions as an emulsifier or formulation aid in pesticides and herbicides to improve stability and efficacy.
• Lubricant & Fuel Additive: Acts as a friction modifier, detergent, or anti-corrosion agent in lubricating oils and industrial fuels.
• Metalworking Fluids: Incorporated as a corrosion inhibitor and biostatic agent in cutting and grinding fluids.
• Pharmaceutical Intermediate: Employed in the synthesis of certain active pharmaceutical ingredients (APIs) and excipients.
• Rubber & Polymer Additive: Serves as an antiozonant, vulcanization accelerator, or processing aid in polymer formulations.
• Research & Development: Used in academic and industrial R&D for novel material science and organic chemistry applications.

Basic Information

Product Name	Di-n-Undecylamine
CAS No.	16165-33-6
Molecular Formula	C22H47N
Molecular Weight	325.62 g/mol
Synonyms	Diundecylamine; N-Undecyl-1-undecylamine; Dinonylamine, decyl-; Didodecylamine (common misnomer); Di-n-undecylamine; 1-Undecylamine, N-undecyl-; DUA; Bis(undecyl)amine; n-Diundecylamine
EINECS	240-306-6

Quality Control

Our Di-n-Undecylamine is produced under a stringent quality management system. Every batch undergoes comprehensive analytical testing to ensure it meets precise specifications for identity, purity, and physical properties. A Certificate of Analysis (COA) documenting these results is provided with each shipment to guarantee traceability and compliance with your quality standards.

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 acids and oxidizing agents. Recommended storage temperature is between 15°C and 25°C. Keep container tightly sealed when not in use to minimize moisture absorption and degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Primary Amine Content	≥ 97.0%
Secondary & Tertiary Amines	≤ 2.0%
Specific Gravity (20°C)	0.810 - 0.830
Refractive Index (20°C)	1.445 - 1.455

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