Description

Hexadecane,7,9-Dimethyl- is a branched-chain alkane derivative with the CAS registry number 21164-95-4. This specialty hydrocarbon is valued for its role as a high-purity intermediate and a non-polar solvent in advanced chemical synthesis and material science. It is primarily sought by manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries for research, process development, and high-value production.

Application

• Chemical Intermediate: Serves as a key building block in the synthesis of complex organic molecules, including surfactants and lubricant additives.
• Pharmaceutical Research: Used as a non-reactive solvent or a standard in analytical method development and pharmacokinetic studies.
• Specialty Polymer Production: Acts as a co-monomer or plasticizer modifier in the creation of tailored polymeric materials with specific physical properties.
• Agrochemical Formulation: Employed as a carrier solvent in the development of concentrated pesticide and herbicide formulations.
• Analytical Chemistry: Functions as a reference standard in gas chromatography (GC) and mass spectrometry for identification and quantification purposes.
• Material Science: Investigated for its properties in surface coatings, nano-material synthesis, and as a phase-change material (PCM) candidate.

Basic Information

Product Name	Hexadecane,7,9-Dimethyl-
CAS No.	21164-95-4
Molecular Formula	C18H38
Molecular Weight	254.49 g/mol
Synonyms	7,9-Dimethylhexadecane; 2,4-Di-n-butyloctane; 2,4-Dibutyloctane; Isooctadecane; NSC 74112; Hexadecane, dimethyl-; Branched C18 alkane
EINECS	Contact for details

Quality Control

Our Hexadecane,7,9-Dimethyl- is produced under a stringent quality management system. Each batch undergoes comprehensive analytical testing, including GC, GC-MS, and NMR, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided with every shipment. We adhere to cGMP principles where applicable to support our clients in regulated industries.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong acids and oxidizing agents. Recommended storage temperature is between 15°C and 25°C. The product is compatible with standard organic solvent containers.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.1%
Residue on Ignition	≤ 0.05%

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