Tetrakis(hydroxymethyl)phosphonium sulfate (THPS) UncategorizedSMC Product Name/Number Chemical Product Avancid® 20 Tetrakis(hydroxymethyl)phosphonium sulfate (THPS), 20% active Avancid® 35 Tetrakis(hydroxymethyl)phosphonium sulfate (THPS), 35% active Avancid® 50 Tetrakis(hydroxymethyl)phosphonium sulfate (THPS), 50% active...