What is Normal Propyl Alcohol?
Normal propanol (also known as n-propanol, 1-propanol, Propan-1-l) is a primary alcohol with a molecular formula of CH3(CH2)2OH. It is a colourless, transparent liquid that has a typical sharp musty odour that is comparable with the smell of rubbing alcohol.
Normal Propyl Alcohol formula
1-Propanol (also propan-1-ol, propanol, n-propyl alcohol) is a primary alcohol with the formula CH 3CH 2CH 2OH and sometimes represented as PrOH or n-PrOH.
Physical and Chemical Properties of n-Propanol (CAS No. 71-23-8)
| Property Category | Parameter | Value / Description |
|---|---|---|
| Chemical Identity | Chemical Name | n-Propanol |
| Synonyms | 1-Propanol, Normal Propyl Alcohol, NPA Alcohol | |
| CAS Number | 71-23-8 | |
| Molecular Formula | C₃H₈O | |
| Molecular Weight | 60.10 g/mol | |
| Physical Properties | Appearance | Colorless, transparent liquid |
| Odor | Alcohol-like, slightly pungent | |
| Density (20 °C) | ~0.804 g/cm³ | |
| Melting Point | −127 °C | |
| Boiling Point | ~97.2 °C | |
| Flash Point (Closed Cup) | ~15 °C | |
| Vapor Pressure (20 °C) | ~21 mmHg | |
| Evaporation Rate | Moderate | |
| Solubility | Water Solubility | Completely miscible |
| Solubility in Organic Solvents | Miscible with ethanol, ether, acetone, benzene | |
| Chemical Properties | Alcohol Type | Primary alcohol |
| Functional Group | Hydroxyl group (–OH) | |
| Reactivity | Undergoes esterification, oxidation, dehydration | |
| Oxidation Products | Propionaldehyde, propionic acid | |
| Chemical Stability | Stable under normal conditions | |
| Flammability & Safety | Flammability | Highly flammable liquid |
| Auto-Ignition Temperature | ~371 °C | |
| Explosive Limits (Air) | 2.1% – 13.5% (v/v) | |
| Handling & Storage | Storage Conditions | Cool, dry, well-ventilated area |
| Incompatible Materials | Strong oxidizers, acids |
Normal Propyl Alcohol Uses
Coatings and Inks
Normal Propyl Alcohol is a solvent in the coating and inks (flexographic printing) applications.
Manufacturing of other Chemicals
n-Propanol is used as an intermediate in the production of n-propyl acetate and propyl amines.
Other Applications
N-Propanol is used as an extraction agent for flower perfumes, pharmaceutical products and household personal care, formulation in industrial detergents and polishes, antifreeze agents, adhesives, dehydrating agent, high purity IPA in the electronic industries etc.
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