2 4 Dimethylpentane Structural Formula

Decoding the Mystery of 2,4-Dimethylpentane: A Journey into Molecular Structure

Imagine a world built entirely of tiny LEGO bricks, each brick representing an atom. These atoms, snapping together according to specific rules, create the amazing variety of molecules that make up our world – from the air we breathe to the fuel that powers our cars. One such molecule, with a deceptively simple name but a fascinating structure, is 2,4-dimethylpentane. This article will take you on a journey into its heart, exploring its structural formula, properties, and applications, illuminating the intricate beauty hidden within this seemingly ordinary chemical compound.

Understanding the Basics: Alkanes and Alkyl Groups

Before diving into the intricacies of 2,4-dimethylpentane, let's establish a foundational understanding. 2,4-dimethylpentane belongs to a class of organic compounds called alkanes. Alkanes are hydrocarbons – molecules composed solely of carbon (C) and hydrogen (H) atoms – characterized by single bonds between all their atoms. They are saturated, meaning they have the maximum number of hydrogen atoms possible for their carbon skeleton.

The "pentane" part of the name tells us that the molecule's carbon backbone is a five-carbon chain (pent- meaning five). The "dimethyl" prefix indicates that two methyl groups (–CH₃) are attached to this chain. These methyl groups are alkyl groups – groups derived from alkanes by removing a hydrogen atom.

Unveiling the Structural Formula: A Visual Representation

The structural formula of a molecule provides a visual representation of how its atoms are connected. For 2,4-dimethylpentane, the formula is represented as follows:

```
CH₃
|
CH₃-CH-CH₂-CH-CH₃
|
CH₃
```

This representation shows the five-carbon chain (represented by the zig-zag line) with methyl groups attached to the second (2) and fourth (4) carbon atoms. Note that carbon atoms are often not explicitly written, with the understanding that a carbon atom exists at each vertex (bend) in the chain, and at the end of each branch. Each carbon atom forms four bonds, satisfying the octet rule. Hydrogen atoms are explicitly shown to complete the four bonds around each carbon.

Isomers and Branching: Exploring the Possibilities

It's crucial to understand that the numbering of the carbon atoms is crucial. The location of the methyl groups dictates the specific isomer of dimethylpentane. Different arrangements of the methyl groups would lead to different isomers, each with its own unique properties. For example, 2,3-dimethylpentane is a different isomer with a distinct structural formula and properties. The branching of the carbon chain significantly influences the physical and chemical characteristics of the molecule.

Properties and Characteristics: A Closer Look

2,4-dimethylpentane, like other alkanes, is a nonpolar molecule, meaning it doesn't have a significant separation of charge. This nonpolar nature leads to several key properties:

Low boiling point: Relatively weak intermolecular forces (London dispersion forces) exist between 2,4-dimethylpentane molecules, resulting in a relatively low boiling point.
Insolubility in water: Its nonpolar nature makes it immiscible (doesn't mix) with water, a polar solvent. It is, however, soluble in other nonpolar solvents.
Flammability: Like other alkanes, it is highly flammable, reacting readily with oxygen to produce carbon dioxide and water.

Real-World Applications: From Fuel to Solvents

2,4-dimethylpentane, due to its properties, finds applications in various industries:

Fuel component: It's a component of gasoline and other fuels, contributing to their combustion properties. Its branching structure contributes to a higher octane rating compared to straight-chain alkanes.
Solvent: Its nonpolar nature makes it a useful solvent in certain industrial processes where dissolving nonpolar substances is necessary.
Chemical intermediate: It can serve as a starting material in the synthesis of other chemicals.

Summary and Reflection

This exploration of 2,4-dimethylpentane’s structural formula reveals a world of interconnectedness between molecular structure and macroscopic properties. Understanding the arrangement of atoms within a molecule enables us to predict its physical and chemical behavior and, consequently, its potential applications. The seemingly simple structure of 2,4-dimethylpentane highlights the power of systematic naming conventions and the importance of recognizing isomerism. The concept of branching in alkanes has significant consequences for their properties, particularly in applications such as fuel and solvent usage.

Frequently Asked Questions (FAQs)

1. What is the molecular formula of 2,4-dimethylpentane? The molecular formula is C₇H₁₆, indicating seven carbon atoms and sixteen hydrogen atoms.

2. How is the octane rating of 2,4-dimethylpentane affected by its branching? Branching reduces the tendency for knocking during combustion in internal combustion engines, leading to a higher octane rating compared to straight-chain isomers.

3. Is 2,4-dimethylpentane toxic? While not acutely toxic, inhalation of high concentrations can cause respiratory irritation. As with any chemical, proper handling and safety precautions are necessary.

4. What are some other isomers of dimethylpentane? There are several other isomers, including 2,2-dimethylpentane, 2,3-dimethylpentane, and 3,3-dimethylpentane. Each has a unique structural formula and properties.

5. How is 2,4-dimethylpentane produced? It can be obtained from the refining of crude oil or through the synthesis of other organic compounds.

Search Results:

2,4-Dimethylpentane - Wikipedia 2,4-Dimethylpentane is an alkane with the chemical formula [ (H 3 C) 2 CH] 2 CH 2. This colorless hydrocarbon is produced in large quantities in oil refineries. It results from the alkylation of isobutane by propylene. [1] . Often referred to as "alkylate", it is blended with other gasoline components to give a high octane fuel.

Pentane, 2,4-dimethyl- - NIST Chemistry WebBook Chemical structure: This structure is also available as a 2d Mol file or as a computed 3d SD file View 3d structure (requires JavaScript / HTML 5) Other names: 2,4-Dimethylpentane Permanent link for this species. Use this link for bookmarking this species for future reference. Information on this page: Phase change data; References; Notes ...

2,4-Dimethylpentane | C7H16 | CID 7907 - PubChem 2,4-Dimethylpentane | C7H16 | CID 7907 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more.

Pentane, 2,4-dimethyl- - NIST Chemistry WebBook Chemical structure: This structure is also available as a 2d Mol file or as a computed 3d SD file View 3d structure (requires JavaScript / HTML 5) Other names: 2,4-Dimethylpentane Permanent link for this species. Use this link for bookmarking this species for future reference. Information on this page: Gas phase thermochemistry data

2,4-DIMETHYLPENTANE | 108-08-7 - ChemicalBook 27 Jan 2025 · 2,4-DIMETHYLPENTANE (CAS 108-08-7) information, including chemical properties, structure, melting point, boiling point, density, formula, molecular weight, uses, prices, suppliers, SDS and more, available at Chemicalbook.

C7H16 mass spectrum of 2,4-dimethylpentane fragmentation … Table of the m/e m/z values and formula of the ionised fragments in the mass spectrum of 2,4-dimethylpentane.

2,4,4-Trimethyl-2-pentene 99 107-40-4 - MilliporeSigma 2,4,4-Trimethyl-2-pentene was used to study the kinetics of liquid-phase hydrogenation of isooctenes on Pd/γ-Al 2 O 3 catalyst in semibatch reactor. It was used in the analysis of butene oligomerate produced over solid and liquid phosphoric acid by GC-MS techniques [2] .

2,4-dimethylpentane -- Critically Evaluated Thermophysical … As of May 2012, the Professional Edition contains information on 28432 compounds and total of 531486 evaluated data points. The properties covered by both versions (32 total) are described in Properties and Implemented Models.

Pentane, 2,4-dimethyl- - NIST Chemistry WebBook Chemical structure: This structure is also available as a 2d Mol file or as a computed 3d SD file View 3d structure (requires JavaScript / HTML 5) Other names: 2,4-Dimethylpentane Permanent link for this species. Use this link for bookmarking this species for future reference. Information on this page: Mass spectrum (electron ionization ...

12.4: Branched Alkanes - Chemistry LibreTexts 13 Apr 2023 · Example \(\PageIndex{2}\) Write the condensed structural formula and line formula for each. 3-ethyl-4-propyloctane; 3,3-dimethylhexane; Solution. It's often the easiest to begin by drawing out the skeleton structure. The name octane …

2,4-dimethylpentane - Wolfram|Alpha Compute answers using Wolfram's breakthrough technology & knowledgebase, relied on by millions of students & professionals. For math, science, nutrition, history, geography, engineering, mathematics, linguistics, sports, finance, music…

2,4-Dimethylpentane - Wikiwand 2,4-Dimethylpentane is an alkane with the chemical formula [(H 3 C) 2 CH] 2 CH 2. This colorless hydrocarbon is produced in large quantities in oil refineries. It results from the alkylation of isobutane by propylene. [1] Often referred to as "alkylate", it is blended with other gasoline components to give a high octane fuel.

2,4-Dimethylpentane 99 108-08-7 - MilliporeSigma 2,4-Dimethylpentane 99%; CAS Number: 108-08-7; EC Number: 203-548-0; Linear Formula: (CH3)2CHCH2CH(CH3)2 at Sigma-Aldrich

2,4-Dimethylpentane | C7H16 - ChemSpider ChemSpider record containing structure, synonyms, properties, vendors and database links for 2,4-Dimethylpentane, 108-08-7, BZHMBWZPUJHVEE-UHFFFAOYSA-N

2,4-dimethylpentane Request for Quotation - ChemBK 9 Apr 2024 · The corresponding products are 2, 4-dimethyl-2-pentene, 2, 4-dimethyl-1-pentene and 2, 4-dimethylpentane. Last Update：2024-04-09 15:16:44 View 2,4-dimethylpentane structural formula

Structural Formula for 2,4-Dimethylpentane (C7H16) - YouTube 22 Jul 2022 · To write the structure for organic molecule 2,4-Dimethylpentane. We’ll start by writing the longest Carbon chain (called the parent chain). Pentane is an alkane with five carbon atoms...

2,4-dimethylpentane | C7H15 - ChemSpider ChemSpider record containing structure, synonyms, properties, vendors and database links for 2,4-dimethylpentane, QPKRHVWOVWMLMB-UHFFFAOYSA-N

2,4-dimethylpentane | CAS#:108-08-7 | Chemsrc - 化源网 2 Jan 2024 · Chemsrc provides 2,4-dimethylpentane (CAS#:108-08-7) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Articles of 2,4-dimethylpentane are included as well.

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