Description

Undecane,3,5-Dimethyl- is a branched-chain alkane hydrocarbon with the CAS number 17312-81-1. This compound serves as a valuable intermediate and reference standard in high-precision chemical synthesis and analytical applications. It is primarily utilized by research and development laboratories, fragrance manufacturers, and specialty chemical producers seeking consistent, high-purity hydrocarbon building blocks.

Application

• Chemical Synthesis Intermediate: Acts as a key building block in the production of more complex organic molecules, including specialty surfactants and polymers.
• Gas Chromatography (GC) Reference Standard: Used for instrument calibration, method development, and as a retention index marker due to its defined volatility.
• Fragrance and Flavor Industry: Employed as a component or starting material in the synthesis of specific aroma chemicals.
• Solvent and Extraction Agent: Suitable for specialized non-polar extraction processes in laboratory and pilot-scale operations.
• Research & Development: Serves as a model compound in studies of hydrocarbon reactivity, physical properties, and environmental fate.
• Fuel and Lubricant Additive Research: Investigated for its potential effects on combustion characteristics and lubricant formulation properties.

Basic Information

Product Name	Undecane,3,5-Dimethyl-
CAS No.	17312-81-1
Molecular Formula	C13H28
Molecular Weight	184.36 g/mol
Synonyms	3,5-Dimethylundecane; 3,5-Dimethylhendecane; Undecane, 3,5-dimethyl-; 1,1-Dimethyl-3-propylheptane; 3,5-Dimethyl-C11; Branched C13 alkane; Iso-tridecane (unspecified isomer)
EINECS	Contact for details

Quality Control

Our Undecane,3,5-Dimethyl- is produced under a strict quality management system. Each batch undergoes rigorous analytical testing, including Gas Chromatography (GC) for purity and identity confirmation, to ensure it meets precise customer specifications. Certificates of Analysis (COA) detailing all test results are 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 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%
Specific Gravity (20°C)	0.75 - 0.78
Refractive Index (20°C)	1.420 - 1.425

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