Blaser Synergy 735 and Rust - Page 2. The remaining 12 chemicals (benzotriazole, sodium gluconate, iron [III] phosphate dihydrate, trisodium phosphate dodecahydrate, triethanolamine, zinc chloride, neutral calcium alkylaryl sulfonate, neodecanoic acid, chloroparaffin, ferric chloride, hydroxyethyl cellulose, and sodium palmitate) had TAN < 1.0 mg KOH/g at 0.1 weight-percent initial ...