N an unstable dibasic acid known only in solution and in the form of dithionite salts. It is a powerful reducing agent. Formula: H2S2O4 连二亚硫酸 (Also called hyposulphurous acid, hydrosulphurous acid)
Dithionous acid disodium salt连二亚硫酸钠
Dithionous acid disodi次亚硫酸钠;低亚硫酸钠;连二亚硫酸钠
N（名词） an unstable dibasic acid known only in solution and in the form of dithionite salts. It is a powerful reducing agent. Formula: H2S2O4 连二亚硫酸 (Also called hyposulphurous acid, hydrosulphurous acid)