1-Propanesulfonic acid, 3,3'-dithiobis-, disodium salt 27206-35-5 3,3'-Dithiobis(1-propanesulfonic acid), disodium salt Di(thiopropane sodium sulfonate) Disodium 3,3'-dithiobis(propanesulphonate) EINECS 248-324-3 gamma,gamma'-Sulfopropyldisulfide, disodium salt