Used primarily as a reagent in organic synthesis, it plays a key role in the identification and characterization of carbonyl compounds. It reacts with aldehydes and ketones to form hydrazones, which are often crystalline and can be used for purification and analysis.

In analytical chemistry, it is employed in spectrophotometric methods to detect and quantify carbonyl groups in various samples. This is particularly useful in environmental testing and quality control in industrial processes.

Additionally, it serves as a building block in the synthesis of more complex organic molecules, including pharmaceuticals and agrochemicals. Its ability to form stable derivatives with carbonyl compounds makes it valuable in research and development for creating new compounds with specific properties.

Handling requires caution due to its potential toxicity and reactivity, but its applications in synthesis and analysis make it a significant tool in chemical laboratories.