Description

13-Undecylpentacosane is a high-purity, long-chain branched alkane with the CAS number 55517-89-0. This specialty hydrocarbon is valued for its unique structural properties, offering excellent thermal stability and compatibility with various organic matrices. It serves as a critical intermediate and performance additive in advanced material science and industrial chemistry. Key industries that utilize this compound include lubricant formulation, polymer processing, and specialty chemical synthesis.

Application

• Synthetic Lubricant Base Stock: Used as a high-performance component in synthetic oils and greases, providing superior viscosity index and low-temperature fluidity.
• Polymer Processing Aid: Acts as an internal lubricant and plasticizer in the production of engineering plastics and elastomers to improve flow and processing characteristics.
• Chemical Intermediate: Serves as a key building block in organic synthesis for the production of surfactants, waxes, and other functional chemicals.
• Phase Change Material (PCM): Investigated for use in thermal energy storage systems due to its stable phase transition properties.
• Reference Standard: Employed as a chromatographic standard in analytical laboratories for method development and calibration.
• Cosmetic & Personal Care Ingredient: Functions as an emollient and texture enhancer in high-end cosmetic formulations.

Basic Information

Product Name	13-Undecylpentacosane
CAS No.	55517-89-0
Molecular Formula	C36H74
Molecular Weight	506.97 g/mol
Synonyms	13-Undecylpentacosane; Pentacosane, 13-undecyl-; 13-n-Undecylpentacosane; C36 Branched Alkane; 13-Pentacosanylundecane; Isohexatriacontane (related structural isomer); High Molecular Weight Branched Paraffin
EINECS	Contact for details

Quality Control

Our 13-Undecylpentacosane is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including chromatography (GC/HPLC) and spectroscopic methods, to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with every shipment, documenting key parameters such as assay, impurity profile, and physical properties. Our quality commitment aligns with cGMP principles for reliable supply to demanding industrial and research applications.

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). Keep away from heat sources, open flames, and strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white waxy solid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Melting Point	45 - 55 °C
Heavy Metals	< 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.