Description

Undecane,3,9-Dimethyl- CAS NO 17301-31-4 is a branched-chain alkane hydrocarbon, specifically a dimethyl-substituted undecane isomer. This compound serves as a valuable intermediate and reference standard in organic synthesis and analytical chemistry. It is primarily utilized by R&D laboratories, chemical manufacturers, and quality control departments in the fragrance, flavor, and specialty chemical industries.

Application

• Chemical Intermediate: Used in the synthesis of more complex organic molecules, including surfactants, lubricant additives, and specialty polymers.
• Reference Standard: Acts as a high-purity calibration standard in gas chromatography (GC) and gas chromatography-mass spectrometry (GC-MS) for analytical method development and quality control.
• Fragrance & Flavor Industry: Employed as a building block or solvent in the development of specific aromatic compounds and flavor ingredients.
• Research & Development: Utilized in academic and industrial research for studying hydrocarbon properties, reaction mechanisms, and material science.
• Solvent & Diluent: Functions as a non-polar solvent for specific applications in coatings, adhesives, and extraction processes.

Basic Information

Product Name	Undecane,3,9-Dimethyl-
CAS No.	17301-31-4
Molecular Formula	C₁₃H₂₈
Molecular Weight	184.36 g/mol
Synonyms	3,9-Dimethylundecane; 3,9-Dimethylhendecane; Dimethylundecane; Undecane, dimethyl-; 1,1,7-Trimethyl-4-propyloctane (alternative structural description); C13 branched alkane; Iso-tridecane (common industry name for certain branched isomers)
EINECS	Contact for details

Quality Control

Our Undecane,3,9-Dimethyl- is produced and handled under a strict quality management system. Each batch undergoes comprehensive analytical testing, including gas chromatography (GC), to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all test results are provided and available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat sources and open flame. Due to its highly volatile nature, ensure containers are properly sealed when not in use. Recommended storage temperature: 2-25°C.

Specification

Item	Specification
Appearance	Colorless clear liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 95.0%
Water Content (KF)	≤ 0.1%
Density (20°C)	~0.76 g/mL
Boiling Point	~210-220°C

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