Description

3-Methylundecane is a branched-chain alkane hydrocarbon with the CAS number 1002-43-3. This compound serves as a valuable intermediate and reference standard in advanced chemical synthesis and analytical research. It is primarily utilized by industries involved in fragrance development, specialty chemical manufacturing, and materials science. Its defined structure makes it a critical component for precise formulation and quality control processes.

Application

• Fragrance and Flavor Intermediate: Used in the synthesis of complex aroma chemicals and as a reference standard for odor profiling.
• Specialty Solvent: Acts as a high-purity, non-polar solvent for sensitive reactions and extraction processes in R&D laboratories.
• Chemical Synthesis: Serves as a key building block or starting material for the production of more complex organic compounds, including surfactants and lubricant additives.
• Analytical Standard: Employed as a certified reference material (CRM) in gas chromatography (GC) for calibration, method development, and quality assurance.
• Fuel and Combustion Research: Used as a model compound in studies of hydrocarbon combustion kinetics and fuel additive performance.
• Polymer Science: Can be utilized as a plasticizer or a modifier in the development of specialized polymeric materials.

Basic Information

Product Name	3-Methylundecane
CAS No.	1002-43-3
Molecular Formula	C₁₂H₂₆
Molecular Weight	170.33 g/mol
Synonyms	Undecane, 3-methyl-; 3-Methylhendecane; NSC 74126; 1,1-Diethyloctane; 5-Butylnonane; 4-Ethyldecane; 3-Methyl-n-undecane
EINECS	213-690-6

Quality Control

Our 3-Methylundecane is produced and handled under a strict quality management system. Every batch undergoes comprehensive analytical testing, including gas chromatography (GC) for purity and identity confirmation, to ensure it meets exacting standards for research and industrial use. A detailed Certificate of Analysis (COA) is provided with each shipment, guaranteeing traceability and consistent quality.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat and ignition sources. Due to its highly volatile nature, ensure containers are kept tightly sealed when not in use to prevent evaporation and maintain purity. Recommended storage temperature is 2-25°C.

Specification

Item	Specification
Appearance	Colorless clear liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.1%
Refractive Index (n20/D)	1.425 - 1.429
Density (20°C)	0.745 - 0.755 g/mL

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