2,2,4,6,6-pentamethylheptane is a chemical compound, branched chain of hydrocarbons, obtained from crude oil by various chemical processes including hydrodeoxygenation-hydroisomerisation a catalytic process that converts normal paraffin into isoparaffin. 2,2,4,6,6-pentamethylheptane is a synthetic hydrocarbon known for its stability and resistance to oxidation. It is used in various industrial applications, such as a solvent and chemical intermediate. 

The name describes the structure of the molecule:

• 2,2,4,6,6-Pentamethyl specifies that there are five methyl groups (each consisting of one carbon atom and three hydrogen atoms) attached at specific positions (2, 2, 4, 6, and 6) along the carbon chain. This structure gives the compound unique properties such as volatility and solubility.
• heptane indicates a carbon chain with seven atoms (an alkane)

Raw Materials and Their Functions

Aliphatic Hydrocarbons. Compounds like heptane that serve as the carbon backbone for the molecule.

Methyl (CH₃) Groups. Methyl groups used for methylation, which increase the branching of the hydrocarbon chain, improving the physical and chemical properties of the compound.

Industrial Chemical Synthesis 

• Preparation. The mixture is prepared by combining a base aliphatic hydrocarbon, such as heptane, with the necessary reagents for methylation.
• Methylation. The methylation process is carried out by adding methyl groups to the base molecule. This can be achieved through chemical reactions such as alkyl halide or the use of catalysts.
• Reaction Control. The reaction is carefully controlled to ensure that the methyl groups are added at the correct positions on the hydrocarbon chain.
• Purification. After the reaction, the product is purified to remove impurities and by-products. This can include distillation or other separation techniques.
• Quality Control.The final product undergoes quality checks to ensure it meets the required standards. 

Form and Color

 Typically appears as a clear and colorless liquid.

What it is used for and where

It has low reactivity and good thermal stability, making it useful in industrial processes that require stable solvents.

Cosmetics

Fragrance. It plays a very important role in the formulation of cosmetic products as it allows perfume to be enhanced, masked or added to the final product, improving its commercial viability. The consumer always expects to find a pleasant scent in a cosmetic product.

Solvent. It is the substance for dissolving or dispersing surfactants, oils, dyes, flavourings, bactericidal preservatives in solution.

CAS: 13475-82-6

Commercial applications:

Chemical and Materials Industry. Used as a solvent and intermediate in chemical processes. Has applications in the production of resins, plasticizers, and other organic compounds.