b'Properties of ENVIOMETC chelating agentsThe ENVIOMETC are high-performance chelating agents with the following characteristics:Based on aminocarboxylic acid - [S,S]-ethylenediamine-disuccinic acid (EDDS);Single isomer: optical purity99%[S,S] form;Readily biodegradable according to OECD 301;Available as 37% aqueous solution of trisodium salt (ENVIOMETC 140) or solid free acid (ENVIOMETC 265);Classified as non hazardous. ENVIOMETC140 ENVIOMETC265aqueous solution trisodium salt of EDDS solid free acid form of EDDSLiquid, 37% w/w, as trisodium saltSolid, fully protonated, with 10-Appearance - Clear liquid, free of20%w/w waterforeign matterWhite crystalline free flowing powderpH 9.5 +/-0.5Water solubility at 20C is 150 mg/LTotal salts 1% w/w (sodium bromide and sodium chloride) Soluble in all proportions in water'