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Propyl Nitrate

Updated: 2026-07-17

Overview

Propyl nitrate, also known as 1-nitropropane, is an organic compound with the molecular formula C3H7NO3. It is a colorless to pale yellow liquid with a characteristic odor. Propyl nitrate is primarily used as a fuel additive due to its ability to improve combustion efficiency. It is also employed in industrial applications as a solvent and chemical intermediate. The compound is highly flammable and requires careful handling to prevent accidents. Its versatility in various chemical processes makes it valuable in both commercial and industrial settings.

Physical and Chemical Properties

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Propyl nitrate has a molecular weight of 105.09 g/mol and a density of 1.06 g/cm³. It is a volatile liquid with a boiling point between 110-112°C. The compound is soluble in water and most organic solvents, making it useful in formulations requiring solubility in diverse mediums. Key chemical properties include its role as a nitrating agent and its ability to undergo reactions typical of nitro compounds. However, its flammability and potential for explosive decomposition under certain conditions necessitate strict safety protocols during handling and storage.

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Main Applications

Propyl nitrate is widely used as a fuel additive in diesel and aviation fuels to enhance combustion efficiency and reduce engine knocking. Its ability to act as a solvent makes it useful in the production of coatings, inks, and adhesives. In the chemical industry, it serves as an intermediate in the synthesis of other nitro compounds. Additionally, its solvent properties are leveraged in cleaning formulations and degreasing applications. The compound's versatility underscores its importance in multiple industrial sectors.

Safety and Storage

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Due to its high flammability, propyl nitrate must be stored in a cool, dry, and well-ventilated area away from heat sources and open flames. Containers should be tightly sealed to prevent vapor release. Personal protective equipment (PPE), including gloves and goggles, is essential when handling the compound. In case of spills, immediate containment and cleanup are necessary to prevent fire hazards. Proper disposal methods must be followed to comply with environmental regulations.

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B2B Procurement Guide

When procuring propyl nitrate, verify the supplier's credentials and compliance with safety regulations. Ensure the product's CAS number (627-13-4) and purity levels meet your requirements. Request Material Safety Data Sheets (MSDS) to understand handling and storage guidelines. Compare prices from multiple suppliers, as costs can vary based on quantity and purity. Establish a reliable supply chain to avoid disruptions in industrial processes.

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