2-[(2Z)-2-{[(E)-(2-Hydroxy-5-sulfophenyl)diazenyl](phenyl)methylene}hydrazino]benzoic acid(CAS: 135-52-4)

2-[(2Z)-2-{[(E)-(2-Hydroxy-5-sulfophenyl)diazenyl](phenyl)methylene}hydrazino]benzoic acid is a crystalline solid with a molecular weight of approximately 448.36 g/mol. It has a low solubility in water but is soluble in organic solvents. The compound is known for its reactivity towards nucleophiles and electrophiles, making it useful in chemical synthesis and pharmaceutical applications.

2-[(2Z)-2-{[(E)-(2-Hydroxy-5-sulfophenyl)diazenyl](phenyl)methylene}hydrazino]benzoic acid is synthesized through a multistep process involving diazotization, coupling, and esterification reactions. Commonly used catalysts include sulfuric acid for diazotization and sodium hydroxide for esterification. The overall yield is moderate, and the reaction is carried out under controlled conditions to ensure selectivity.

2-[(2Z)-2-{[(E)-(2-Hydroxy-5-sulfophenyl)diazenyl](phenyl)methylene}hydrazino]benzoic acid finds applications in the pharmaceutical industry for its potential as an intermediate in drug synthesis. It is also used in polymer science for stabilizing polymers and in sensor technology for detecting specific chemical species. Additionally, it has applications in semiconductor manufacturing for its use in photoresists.

When handling 2-[(2Z)-2-{[(E)-(2-Hydroxy-5-sulfophenyl)diazenyl](phenyl)methylene}hydrazino]benzoic acid (CAS: 135-52-4), it is essential to wear appropriate personal protective equipment (PPE) including gloves, safety goggles, and lab coat. The compound should be stored in a dry, cool place away from moisture and heat sources. In case of a spill, it should be cleaned up immediately using appropriate absorbents, and the area should be well-ventilated. Always refer to the Safety Data Sheet (SDS) for detailed handling and disposal instructions.