What is the difference between 2-propanol and n-propanol?

Differences Between 2-Propanol (Isopropyl Alcohol) and n-Propanol (1-Propanol)

2-Propanol (isopropyl alcohol) and n-propanol (1-propanol) are structural isomers with the same molecular formula, C₃H₈O. However, the different position of the hydroxyl (–OH) group leads to significant differences in molecular structure, physical and chemical properties, and industrial applications.

Understanding these differences is essential for buyers and manufacturers in the chemical, pharmaceutical, and industrial solvent markets.

Differences Between 2-Propanol and n-Propanol

Molecular Structure

n-Propanol (1-Propanol)
The hydroxyl group is attached to the terminal carbon of the propane chain.
Structural formula: CH₃CH₂CH₂OH
It is classified as a primary alcohol.

2-Propanol (Isopropyl Alcohol, IPA)
The hydroxyl group is attached to the middle carbon atom of the propane chain.
Structural formula: (CH₃)₂CHOH
This structure makes it a secondary alcohol.

Physical Properties

Boiling Point
n-Propanol has a higher boiling point (~97.2 °C) than 2-propanol (~82.4 °C), mainly due to stronger intermolecular interactions.

Density

n-Propanol density: ~0.804 g/cm³

2-Propanol density: ~0.785 g/cm³

Solubility
n-Propanol is generally considered to have slightly higher solubility in water compared with 2-propanol.

Main Applications

Applications of n-Propanol (1-Propanol)

n-Propanol is mainly used as:

• A raw material for producing n-propyl esters and propylamines
• An organic synthesis intermediate
• A solvent, cleaning agent, and deodorizing agent in industrial processes

Applications of 2-Propanol (Isopropyl Alcohol)

2-Propanol has broader commercial usage and is one of the most widely consumed alcohol solvents. It is commonly used:

• In the production of acetone, hydrogen peroxide, and isopropyl ether
• As a solvent for antifreeze, coatings, inks, and extraction processes
• As a disinfectant and cleaning agent in laboratories, healthcare, electronics, and daily life

Why Choose Gneebio for n propanol(1 propanol)?

For companies looking to source n propanol (1 propanol), Gneebio offers a reliable supply backed by over a decade of experience in chemical manufacturing and export. With strict quality control, competitive pricing, and flexible packaging options.
Our strict quality control and comprehensive certifications - including ISO9001, ISO14001, GMP, USP, and EP - ensure that every batch meets international standards.

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Bulk Industrial buyers often purchase n propanol(1 propanol) together with other solvents and intermediates.

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