Description

3,3-Dimethylheptane is a branched-chain alkane hydrocarbon with the CAS number 4032-86-4. This compound is valued for its role as a high-purity reference standard and a versatile non-polar organic intermediate in chemical synthesis. It is primarily utilized by research institutions and industrial manufacturers requiring precise chemical building blocks. Its highly volatile nature makes it suitable for applications in fuel research, calibration, and specialized solvent systems.

Application

• Chemical Reference Standard: Used as a high-purity analytical standard in gas chromatography (GC) and mass spectrometry for method development and calibration.
• Organic Synthesis Intermediate: Serves as a building block in the synthesis of more complex organic molecules, including specialty surfactants and lubricant additives.
• Fuel and Petrochemical Research: Employed in octane rating studies and as a model compound for investigating the combustion properties of branched alkanes.
• Specialty Solvent: Acts as a non-polar solvent for specific laboratory and industrial processes where low reactivity is required.
• Polymer Science: Used in studies related to polymer solubility and as a component in controlled polymerization reactions.

Basic Information

Product Name	3,3-Dimethylheptane
CAS No.	4032-86-4
Molecular Formula	C9H20
Molecular Weight	128.26 g/mol
Synonyms	3,3-Dimethyl-heptane; Heptane, 3,3-dimethyl-; NSC 74135; 3,3-Dimethyl-n-heptane; 3,3-Dimethylheptan; 3,3-Dimethyl-heptan
EINECS	223-722-5

Quality Control

Our 3,3-Dimethylheptane is produced under stringent quality management systems. Each batch undergoes comprehensive analysis including purity determination by gas chromatography (GC) and identity confirmation by spectroscopic methods. We provide Certificates of Analysis (COA) with detailed specifications for trace impurities, water content, and physical properties, ensuring consistency and reliability for your critical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat, sparks, and open flames. Due to its highly volatile nature, containers must be kept tightly sealed when not in use to prevent evaporation and concentration of vapors. 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 - 0.74 g/mL
Boiling Point	Approx. 140 - 145°C
Refractive Index (n20/D)	1.405 - 1.410

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