5-Amino-2,4-dihydroxybenzoic acid(CAS: 69938-56-3)

5-Amino-2,4-dihydroxybenzoic acid is a white crystalline solid with a molecular weight of approximately 212.16 g/mol. It has a solubility of about 0.4 g/L in water. This compound is moderately reactive, particularly under acidic conditions. It shows typical phenolic and aromatic acid properties.

5-Amino-2,4-dihydroxybenzoic acid is usually synthesized from 2,4-dihydroxybenzoic acid through an amino group introduction step. Common methods include nucleophilic substitution or direct amide formation using reagents like sodium amide, followed by quenching and purification.

5-Amino-2,4-dihydroxybenzoic acid finds applications in pharmaceuticals, where it serves as a precursor for drugs and intermediates. It is also used in the development of sensors and as a component in some polymer formulations. Its aromatic structure makes it relevant in the semiconductor industry for specific applications.

When handling 5-Amino-2,4-dihydroxybenzoic acid, it is crucial to wear appropriate personal protective equipment (PPE) such as gloves, goggles, and a lab coat. Work in a well-ventilated area or fume hood. Follow standard safety protocols and refer to the Safety Data Sheet (SDS) for specific spill handling procedures and emergency response.