Sodium 2-hydroxy-3-sulfanyl-1-propanesulfonate(CAS: 20055-98-5)

Sodium 2-hydroxy-3-sulfanyl-1-propanesulfonate is a white crystalline solid with a molecular weight of approximately 256.15 g/mol. It has a pKa of around 6.5 and is moderately soluble in water. The compound shows good reactivity towards nucleophiles and is a strong base. It is stable under normal conditions but should be stored in a dry place to avoid hydrolysis.

Sodium 2-hydroxy-3-sulfanyl-1-propanesulfonate is usually synthesized by reacting sodium sulfide with 2-hydroxy-3-sulfanylpropanesulfonic acid in an aqueous medium. The reaction is typically carried out at room temperature with a yield of about 85%. Catalysts such as sodium hydroxide can be used to improve the reaction efficiency and selectivity.

Sodium 2-hydroxy-3-sulfanyl-1-propanesulfonate is primarily used in the pharmaceutical industry for the synthesis of various drug compounds. It is also utilized in the polymer industry as a sulfonation agent and in the semiconductor industry for etching processes. Additionally, it has applications in sensor technology and as a reagent in organic synthesis.

When handling Sodium 2-hydroxy-3-sulfanyl-1-propanesulfonate, it is essential to use appropriate personal protective equipment (PPE) such as gloves, safety goggles, and a lab coat. The compound should be stored in a dry, cool place to prevent hydrolysis. Spills should be handled with appropriate absorbent materials and neutralized with an acid-base indicator before disposal. Always refer to the Safety Data Sheet (SDS) for detailed handling and safety information.