Butyl (2R)-2-hydroxybutanoate(CAS: 928835-95-4)

Butyl (2R)-2-hydroxybutanoate (CAS: 928835-95-4) is a colorless to white crystalline solid with a molecular weight of approximately 168.21 g/mol. It has a solubility of up to 1 g/100 mL in water and is practically insoluble in hexane. This compound exhibits moderate reactivity, particularly in esterification and hydrolysis reactions.

Butyl (2R)-2-hydroxybutanoate is typically synthesized via the esterification of 2-hydroxybutanoic acid with butanol in the presence of a catalytic amount of acetic anhydride. The reaction is carried out under mild conditions with good selectivity and yields of up to 95%. The process is commonly performed using a Dean-Stark apparatus to remove water formed during the reaction.

Butyl (2R)-2-hydroxybutanoate (CAS: 928835-95-4) is primarily used in the pharmaceutical industry as a raw material for drug synthesis. It also finds applications in polymer industry for producing biodegradable plastics and in the sensor industry for developing chemical sensors. Additionally, it is used in the semiconductor industry as a cleaning agent.

When handling Butyl (2R)-2-hydroxybutanoate (CAS: 928835-95-4), it is important to wear appropriate personal protective equipment (PPE) such as gloves, safety goggles, and a lab coat. This compound should be used in a well-ventilated environment or under a fume hood to minimize inhalation risks. In case of a spill, immediately clean up the area using appropriate absorbents and dispose of according to local regulations. Refer to the Safety Data Sheet (SDS) for detailed handling and disposal information.