Overview
4-Fluorobenzohydrazide is an organic compound with the molecular formula C7H7FN2O. It is a derivative of benzoic acid and hydrazine, featuring a fluorine atom at the para position of the benzene ring. This compound is primarily used as an intermediate in the synthesis of pharmaceuticals, agrochemicals, and other specialty chemicals. Due to its reactive hydrazide group, 4-fluorobenzohydrazide is valuable in constructing heterocyclic compounds and other complex molecules. Its fluorine substituent enhances its utility in medicinal chemistry, where fluorinated compounds often exhibit improved bioavailability and metabolic stability.
Physical and Chemical Properties
4-Fluorobenzohydrazide appears as a white to off-white crystalline powder with a melting point of approximately 160-165°C. It is soluble in common organic solvents such as ethanol and methanol but has limited solubility in water. The compound is stable under normal storage conditions but may decompose when exposed to strong oxidizing agents. The presence of the fluorine atom influences its electronic properties, making it a useful building block in synthetic chemistry. Its hydrazide group is reactive and can participate in condensation reactions, forming hydrazones and other derivatives. Care should be taken to avoid moisture, as it may lead to hydrolysis of the hydrazide functionality.
Main Applications
4-Fluorobenzohydrazide is widely employed as an intermediate in the pharmaceutical industry. It is used to synthesize active pharmaceutical ingredients (APIs) and other biologically active compounds. Its fluorine substituent is particularly valuable in drug design, as it can enhance binding affinity and metabolic stability. In agrochemicals, this compound serves as a precursor for herbicides, fungicides, and insecticides. It is also utilized in organic synthesis to construct heterocyclic frameworks, such as pyrazoles and triazoles, which are common motifs in medicinal chemistry. Additionally, it finds niche applications in materials science and specialty chemicals.
Safety and Storage
4-Fluorobenzohydrazide should be handled with care to avoid exposure. Personal protective equipment (PPE), including gloves and safety goggles, is recommended. Inhalation of dust or contact with skin and eyes should be avoided, as it may cause irritation. Storage conditions are critical to maintaining the compound's stability. It should be kept in a cool, dry place, away from moisture and direct sunlight. Containers should be tightly sealed to prevent contamination and degradation. In case of spills, absorb the material with an inert substance and dispose of it according to local regulations.
B2B Procurement Guide
When procuring 4-fluorobenzohydrazide, buyers should prioritize purity and supplier reliability. Technical specifications, such as HPLC or GC analysis reports, should be requested to verify quality. Bulk purchases may offer cost advantages, but storage capacity and shelf life should be considered. It is advisable to source from reputable manufacturers with a track record of consistent quality. Custom synthesis options may be available for specific purity grades or packaging requirements. Buyers should also confirm compliance with regional regulatory standards, especially for pharmaceutical or agrochemical applications.
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