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Is n-Heptane the same as heptane? CAS 142-82-5

Nov 28, 2025 Leave a message

Is n-Heptane the same as heptane?

In common and industrial language, "heptane" often refers to "n-Heptane." However, from a strict chemical perspective, there is a subtle but important distinction.

 

What Is Heptane?

Heptane is a colorless liquid and one of the components of gasoline. It is a straight-chain alkane with seven carbon and 16 hydrogen atoms arranged in branched or unbranched molecules. Thus, it has a C7H16 chemical formula. Heptane is a liquid at room temperature, highly flammable, and low boiling point. In addition, it's less toxic and evaporates slowly.

 

what is n-Heptane CAS 142-82-5 ?

Also known as normal Heptane, N-Heptane is a pure form of Heptane and the unbranched structure of the heptane molecule. It's a colorless, flammable liquid with a 98.4 degrees boiling point. It's almost insoluble in water but slightly soluble in alcohol, ether, and chloroform.

 

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What is the difference between heptane and n-Heptane?

 

FeatureHeptanen-Heptane
DefinitionA general term for all isomers with the formula C₇H₁₆.The specific term for the straight-chain isomer of heptane.
Number of IsomersRefers to 9 different structures.Refers to only 1 specific structure.
Chemical StructureCan have various branched carbon chains.Has a straight carbon chain with no branches.
RelationshipThe broad category.A specific member of that category.

 

where to Buy CAS number 142-82-5?

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Henan Gneebio was established in 2016, adhering to thecorporate philosophy of "global chemical raw material supplier" and focusing on high-quality chemical industries. The company primarily deals chemical raw materials, such as dichloromethane; methyl sulfoxide DMSO (industrial and pharmaceutical grade); ethylene glycol (MEG); p-Xylene, etc.

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heptane cas 142-82-5

Packaging 

 

Package

Quantity/20'FCL

160KGS Drum

12.8MTS

800KGS IBC Drum

16MTS

IOS Tank

18.5MTS

 

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