Description

3,4-Bis(1,1-Dimethylethyl)-2,2,5,5-Tetramethylhexane is a highly branched, symmetrical alkane characterized by its unique sterically hindered structure. This compound matters as a high-performance, non-reactive hydrocarbon fluid and a versatile chemical intermediate, prized for its exceptional thermal and oxidative stability. Industries requiring stable, high-purity hydrocarbon matrices or specialized synthetic building blocks, such as advanced lubricant formulation, polymer processing, and specialty chemical synthesis, are the primary users of this material.

Application

• High-Performance Lubricant & Grease Base Stock: Used as a high-viscosity index, thermally stable base fluid for synthetic lubricants and high-temperature greases.
• Polymer & Plastic Additive: Acts as a plasticizer or processing aid to improve flow characteristics and thermal stability in engineering plastics and elastomers.
• Chemical Intermediate for Synthesis: Serves as a key building block in organic synthesis, particularly for creating other sterically hindered compounds, antioxidants, and light stabilizers.
• Heat Transfer Fluid: Employed in closed-loop systems requiring a stable, non-corrosive, and high-boiling point organic heat transfer medium.
• Dielectric Fluid: Utilized in specialized electrical applications due to its high dielectric strength and chemical inertness.
• Reference Standard & Calibrant: Used in analytical chemistry as a reference material in gas chromatography (GC) and mass spectrometry (MS) due to its well-defined structure and volatility.

Basic Information

Product Name	3,4-Bis(1,1-Dimethylethyl)-2,2,5,5-Tetramethylhexane
CAS No.	62850-21-9
Molecular Formula	C18H38
Molecular Weight	254.49 g/mol
Synonyms	2,2,5,5-Tetramethyl-3,4-di-tert-butylhexane; 3,4-Di-tert-butyl-2,2,5,5-tetramethylhexane; Hexane, 3,4-bis(1,1-dimethylethyl)-2,2,5,5-tetramethyl-; Highly Branched C18 Alkane; Symmetrical Tetra-tert-butylhexane
EINECS	Contact for details

Quality Control

Every batch of 3,4-Bis(1,1-Dimethylethyl)-2,2,5,5-Tetramethylhexane is produced and tested under a strict quality management system. Our products undergo rigorous quality testing, including advanced chromatographic analysis, to ensure compliance with agreed specifications and industry standards. Comprehensive Certificates of Analysis (COA) documenting purity, identity, and key physical properties 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 sources 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 15-25°C.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.1%
Density (20°C)	~0.79 g/mL
Boiling Point	> 250°C

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