Description

3,4-Dimethylheptane CAS NO 922-28-1 is a branched-chain alkane hydrocarbon, valued for its role as a high-purity reference standard and a versatile non-polar organic solvent. Its defined structure and properties make it a critical component for research, analytical calibration, and specialized industrial synthesis. This compound is primarily utilized by laboratories in the petrochemical, pharmaceutical, and advanced materials sectors for method development and quality control processes.

Application

• Gas Chromatography (GC) Reference Standard: Used for calibrating instruments and identifying hydrocarbon peaks in complex mixtures like fuels and oils.
• Organic Synthesis Intermediate: Serves as a building block or solvent in the synthesis of more complex organic molecules and specialty chemicals.
• Petrochemical Research: Employed in studies of fuel additives, octane rating modeling, and hydrocarbon reaction mechanisms.
• Polymer Science: Acts as a solvent or a model compound for studying polymer solubility and plasticizer interactions.
• Analytical Method Development: Essential for developing and validating analytical methods in environmental testing and material science.
• Educational & Industrial Training: Used in academic and corporate training settings to demonstrate hydrocarbon properties and separation techniques.

Basic Information

Product Name	3,4-Dimethylheptane
CAS No.	922-28-1
Molecular Formula	C9H20
Molecular Weight	128.26 g/mol
Synonyms	3,4-Dimethylheptane; Heptane, 3,4-dimethyl-; NSC 74133; 3,4-Dimethyl-n-heptane; 922-28-1; 3,4-Dimethyl heptane
EINECS	Contact for details

Quality Control

Every batch of 3,4-Dimethylheptane is produced and analyzed under stringent quality management protocols to ensure identity, purity, and consistency. Our products undergo rigorous quality testing to ensure compliance with industry standards. Certificates of Analysis (COA) detailing purity, physical properties, and chromatographic data are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat, sparks, and open flame. Due to its highly volatile nature, ensure containers are kept tightly sealed when not in use to prevent evaporation and concentration changes. 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%
Density (20°C)	~0.72 g/mL
Refractive Index (20°C)	~1.405

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