2-Methyl-2-sulfanylpropanoic acid(CAS: 4695-31-2)

2-Methyl-2-sulfanylpropanoic acid is a colorless to white crystalline solid with a molecular weight of 140.24 g/mol. It has a pKa of approximately 6.3. The compound is sparingly soluble in water but soluble in common organic solvents like ethanol and acetone. It is reactive, particularly towards nucleophiles, and shows a moderate reactivity towards bases and reducing agents.

2-Methyl-2-sulfanylpropanoic acid can be synthesized via the Strecker synthesis, involving the reaction of ethyl acetoacetate with hydrogen sulfide and ammonia in the presence of a catalyst such as potassium hydroxide. The process yields the desired compound with good selectivity and moderate to high yield, depending on reaction conditions.

2-Methyl-2-sulfanylpropanoic acid finds applications in pharmaceuticals, where it serves as an intermediate in the synthesis of various bioactive compounds. It is also used in the production of certain polymers and as a component in sensors due to its unique chemical properties.

When handling 2-Methyl-2-sulfanylpropanoic acid, it is essential to wear appropriate personal protective equipment (PPE), including gloves, goggles, and a lab coat. The compound should be stored in a cool, dry place away from direct sunlight and heat sources. Fume hoods should be used during operations to minimize inhalation risks. In case of spill, neutralize with a suitable base and dispose of in accordance with local regulations. Always refer to the Safety Data Sheet (SDS) for detailed safety information.