Bis(3-sodiosulfopropyl) persulfide, Polydithiodipropanesulfonicsodium, 3,3'-Dithiobis-1-propanesulfonic acid disodium salt, Sodium 3,3'-dithiodipropanesulfonate, SPS, disodium bis(3-sulfopropyl)disulfide, bis-(3-Sulfopropyl)disulfide, Bis[3-(sodiooxysulfonyl)propyl] persulfide, disodium 3,3'-dithiobis[propanesulphonate]