Description

3-Methylheneicosane CAS NO 6418-47-9 is a high-purity branched alkane, specifically a methyl-substituted heneicosane, valued for its role as a critical reference standard and a versatile hydrophobic building block. Its defined structure and high chemical purity make it essential for analytical calibration and advanced material synthesis. This compound is primarily sought by research institutions, analytical laboratories, and specialty chemical manufacturers working in areas such as chromatography, polymer science, and lubricant formulation.

Application

• Gas Chromatography (GC) Reference Standard: Used for calibrating instruments, identifying retention times, and quantifying hydrocarbon mixtures in petrochemical and environmental analysis.
• Internal Standard for Analytical Methods: Serves as a precise quantitative marker in mass spectrometry and other chromatographic techniques due to its predictable behavior.
• Synthetic Intermediate: Acts as a hydrophobic segment or a functionalized precursor in the synthesis of specialty surfactants, lubricant additives, and phase-change materials.
• Polymer & Material Science: Employed in research for modifying polymer properties, creating wax blends, or developing novel organic frameworks.
• Fuel & Lubricant Research: Studied as a model compound to understand the combustion characteristics and rheological properties of complex hydrocarbon fuels and synthetic oils.

Basic Information

Product Name	3-Methylheneicosane
CAS No.	6418-47-9
Molecular Formula	C₂₂H₄₆
Molecular Weight	310.61 g/mol
Synonyms	Heneicosane, 3-methyl-; 3-Methylhenicosane; 3-Methylheneicosane; 3-Methyl-heneicosane; 3-Methyl-n-heneicosane; 3-Methyl-C21; 3-Me-C21; Isoheneicosane (general term for branched isomers)
EINECS	Contact for details

Quality Control

Our 3-Methylheneicosane is produced and tested under stringent quality management systems to ensure batch-to-batch consistency and high chemical purity. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing key parameters such as identity, purity, and impurity profile. We adhere to relevant industry standards for analytical reference materials, and specifications can be tailored to meet specific research or production requirements.

Storage

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

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or solid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Purity (GC Area%)	≥ 99.0%

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