1-propanol and 2-propanol are two isomers of propanol, both with the chemical formula C₃H₈O, but differing molecular structures result in distinct physical and chemical properties.
1-propanol (n-Propanol)
Physical Properties: 1-propanol is a colorless, transparent liquid with an odor similar to ethanol. Its boiling point is 95.8°C, melting point is -127°C, and density is approximately 0.8 g/cm³. It is miscible with water, ethanol, and various organic solvents, and dissolves vegetable oils, animal fats, and natural resins.
Chemical Properties: The chemical properties of 1-propanol are similar to ethanol. It can be oxidized to propionaldehyde and further oxidized to propionic acid. Under the action of concentrated sulfuric acid, it undergoes dehydration to form propylene. Classified as a low-toxicity substance, its physiological effects and anesthetic properties are slightly stronger than ethanol's, and it irritates mucous membranes.
2-Propanol (Isopropyl Alcohol)
Physical Properties: 2-Propanol is also a colorless, transparent liquid with a strong odor resembling a mixture of ethanol and acetone. Its boiling point is 78.4°C, melting point is -114.3°C, and it is highly volatile. It is miscible with water, alcohols, ethers, chloroform, and most organic solvents, but insoluble in saline solutions (e.g., brine).
Chemical Properties: 2-propanol is the simplest secondary alcohol. It can be oxidized to acetone (e.g., via chromic acid oxidation or dehydrogenation with copper catalysts). It reacts with phosphorus tribromide to form 2-bromopropane, or dehydrates with heated sulfuric acid to yield propylene. 2-Propanol exhibits low toxicity, but pure samples are not potable and become viscous at low temperatures (e.g., below -70°C).
1-Propanol uses
1-propanol is used as a solvent in the manufacturing of pharmaceuticals, polishes, dental lotions, coatings, lacquers, printing inks, natural gums, pigments, intermediates, dye solutions, antifreeze, fuel additives, paint additives and de-greasing fluids.
2-propanol uses
Isopropyl alcohol (C₃H₈O), also known as IPA, isopropanol, or 2-propanol, is a clear, colorless, flammable liquid with a slightly sweet odor. It is widely used in industrial, pharmaceutical, and laboratory environments due to its solvent properties, disinfectant capabilities, and volatility.
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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.
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Related Chemical Products from Gneebio
Bulk Industrial buyers often purchase n propanol(1 propanol) together with other solvents and intermediates.
Here are the most popular products:
| Product Name | CAS |
|---|---|
| Cyclohexanone (CYC) | 108-94-1 |
| Methyl Methacrylate (MMA) | 80-62-6 |
| 2-Methoxyethanol | 109-86-4 |
| Propionic Acid | 79-09-4 |
| Ethylene Glycol (Meg) | 107-21-1 |
| N, N-Dimethylacetamide (DMAC) | 127-19-5 |
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