Description

n-n-Octadecylurea is a high-purity, long-chain alkylurea derivative with the CAS number 2158-08-9. This specialty chemical serves as a versatile intermediate and functional additive, valued for its ability to modify surface properties and impart specific performance characteristics in advanced formulations. It is essential for industrial researchers and manufacturers in sectors such as polymer science, lubricants, and specialty coatings seeking to enhance material performance.

Application

• Polymer Additive: Acts as a nucleating agent, flow modifier, or property enhancer in engineering plastics and specialty polymers.
• Lubricant & Grease Formulation: Serves as a thickening agent, tackifier, or performance additive to improve viscosity and stability.
• Surface Modification Agent: Used to create hydrophobic coatings or to functionalize surfaces for improved adhesion and release properties.
• Chemical Intermediate: A key building block for the synthesis of more complex surfactants, emulsifiers, or pharmaceutical agents.
• Cosmetic & Personal Care: Employed as a conditioning agent or emulsion stabilizer in high-end formulations.
• Textile Auxiliary: Functions as a softener, water repellent, or finishing agent for synthetic and natural fibers.

Basic Information

Product Name	n-n-Octadecylurea
CAS No.	2158-08-9
Molecular Formula	C19H40N2O
Molecular Weight	312.54 g/mol
Synonyms	1-Octadecylurea; N-Octadecylurea; Stearylurea; Urea, N-octadecyl-; Octadecan-1-ylurea; NSC 403697; Octadecyl carbamide
EINECS	218-475-9

Quality Control

Our n-n-Octadecylurea is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including identity confirmation, purity assay, and impurity profiling, to ensure it meets the high standards required for industrial and research applications. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed to prevent absorption of atmospheric moisture, which can affect product quality.

Specification

Item	Specification
Appearance	White to off-white powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%

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