Phenylsulfinic acid is an organosulfur compound with the formula C6H5SO2H. It is a colorless or white crystalline solid that is usually stored in the form of its sodium salt. In aqueous solution it is strongly acidic and is easily oxidized in air. Phenylsulfinic acid and its esters are chiral.

CAS：618-41-7
中文别名：苯亞磺酸;
英文别名：BENZENESULFINIC ACID;Benzenesulphenic acid;Benzenesulfinic acid;benzene seleninic acid;benzene sulphinic acid;Phenylsulfinic acid;Benzenesulfinic-acid;
分子式：C6H6O2S
分子量：142.176
精确质量：142.009
Psa：56.51
Logp：2.1329

MDL号：MFCD00800458

密度：1.45 g/cm3
沸点：339.4ºC at 760 mmHg
闪点：159.1ºC
折射率：1.682

用途
用于医药中间体。