Description

7,11-Dimethyloctadecane is a branched alkane hydrocarbon with the CAS number 65431-89-2. This high-purity synthetic compound is valued for its role as a key intermediate in the production of specialized chemicals and as a reference standard in analytical chemistry. It is primarily needed by manufacturers in the fragrance, flavor, and fine chemical synthesis industries, where precise molecular structure and purity are critical for product performance and consistency.

Application

• Fragrance and Flavor Intermediate: Serves as a crucial building block for synthesizing complex aroma chemicals and specialty esters.
• Chemical Synthesis: Used as an advanced intermediate in organic synthesis for pharmaceuticals and agrochemicals.
• Analytical Reference Standard: Employed in gas chromatography (GC) and mass spectrometry (MS) for method development, calibration, and quality control.
• Lubricant and Fuel Additive Research: Investigated as a model compound or component in the development of synthetic lubricants and specialty fuel formulations.
• Polymer Science: Acts as a chain transfer agent or modifier in specific polymerization processes to control molecular weight.
• Surface Chemistry: Utilized in research for studying surfactant properties and self-assembly monolayers.

Basic Information

Product Name	7,11-Dimethyloctadecane
CAS No.	65431-89-2
Molecular Formula	C₂₀H₄₂
Molecular Weight	282.55 g/mol
Synonyms	7,11-Dimethyloctadecane; Isoeicosane; 2,6-Dimethyloctadecane; Branched C20 alkane; Dimethyloctadecane; C20 Isoalkane; 65431-89-2; Iso-C20
EINECS	Contact for details

Quality Control

Our 7,11-Dimethyloctadecane is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including GC and GC-MS, to ensure high purity and identity confirmation. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all specified parameters. Our quality commitment ensures the consistency and reliability required for industrial and research applications.

Storage

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

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.1%

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