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Isonicotinonitrile

Updated: 2026-07-25

Overview

Isonicotinonitrile, also known as 4-cyanopyridine, is an organic compound with the molecular formula C6H4N2. It is a derivative of pyridine and is widely used as an intermediate in the synthesis of pharmaceuticals, agrochemicals, and dyes. The compound is known for its stability and reactivity, making it valuable in various chemical processes. Isonicotinonitrile is typically produced through the cyanation of pyridine derivatives. Its high purity and consistent quality are essential for industrial applications, particularly in the pharmaceutical sector where it serves as a precursor for active pharmaceutical ingredients (APIs).

Physical and Chemical Properties

凡特鲁斯 4-氰基吡啶 异烟腈 功能材料工业精细有机合成食品添加剂广州诺化贸易有限公司

Isonicotinonitrile appears as a white to pale yellow crystalline powder with a density of 1.18 g/cm³. It has a melting point of 76-79 °C and a boiling point of 215-217 °C. The compound is soluble in water, ethanol, and ether, which facilitates its use in various chemical reactions. Chemically, isonicotinonitrile is stable under normal conditions but reacts with strong acids and bases. It exhibits high thermal stability, making it suitable for high-temperature processes. Its cyano group is reactive, allowing it to participate in nucleophilic addition and substitution reactions.

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Main Applications

Isonicotinonitrile is primarily used as an intermediate in the pharmaceutical industry. It is a key precursor in the synthesis of isoniazid, an important antituberculosis drug. Additionally, it is used in the production of agrochemicals, such as herbicides and insecticides, due to its ability to form stable heterocyclic compounds. In the dye industry, isonicotinonitrile is employed to create pigments and colorants. Its reactivity and stability make it a versatile building block for complex organic molecules. The compound's applications extend to research and development, where it is used to explore new chemical pathways and synthetic methods.

Safety and Storage

4-氰基吡啶 CAS100-48-1 异烟腈 染料中间体 白色晶体 多聚山东多聚化学有限公司

Isonicotinonitrile is classified as harmful if swallowed or inhaled and can cause skin and eye irritation. Proper personal protective equipment (PPE), including gloves and goggles, should be worn when handling the compound. Adequate ventilation is necessary to avoid inhalation of dust or vapors. The compound should be stored in a cool, dry place away from light and moisture. Containers must be tightly sealed to prevent contamination and degradation. In case of spillage, absorb the material with an inert substance and dispose of it according to local regulations.

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B2B Procurement Guide

When procuring isonicotinonitrile, it is crucial to verify the CAS number (100-48-1) and the purity level specified by the supplier. Reputable suppliers should provide certificates of analysis (CoA) and material safety data sheets (MSDS). Bulk purchases may offer cost advantages, but storage capacity and shelf life should be considered. It is advisable to establish long-term relationships with reliable suppliers to ensure consistent quality and timely delivery. Pricing varies based on purity and quantity, with reference prices ranging from $50 to $100 per kg.

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