4-Hydroxybenzenesulfonic Acid is a useful synthetic intermediate. It is used in the synthesis of difluoromethyl sulfonates. It can be also used to prepare Famphur Oxon which is a metabolite of Famphur, an organophosphate insecticide and pesticide.

CAS：825-90-1
中文别名：对羟基苯磺酸钠;对苯酚磺酸钠;苯酚对磺酸钠;苯酚磺酸鈉;对羟基苯磺酸钠盐;
英文别名：4-hydroxybenzenesulfonate sodium;4-hydroxybenzenesulfonic acid,sodium salt;P-PHENOL SULFONIC ACID,NA;SODIUM P-PHENOLSULFONATE;p-phenolsulfonic acid sodium salt;p-Phenolsulphonicacid,sodiumsalt;SODIUM SULFOCARBOLATE;SODIUM PHENOL SULFONATE;4-hydroxybenzenesulfonate sodium salt;sodium p-hydroxybenzenesulfonate;sodium 4-hydroxybenzenesulphonate;p-Phenolsulfonic Sodium Salt;Sodium 4-hydroxybenz;
分子式：C6H5NaO4S
分子量：196.156
精确质量：195.981
Psa：85.81
Logp：1.3771

EINECS号：212-550-0

外观与性状：白色固体淡酚醛气味
密度：1.574g/cm3
熔点：>300°C
稳定性：Stable under normal temperatures and pressures.
储存条件：Store in a cool, dry place. Store in a tightly closed container.

安全说明：S26-S37/39
危险类别码：R36/37/38

用途
用作医药、分散染料中间体,也用作灌浆材料固化剂可用于有机合成、制药。