Iminodisuccinic acid sodium salt (IDS) is a highly effective and biodegradable complexing agent that outperforms conventional agents like EDTA and NTA. It excels in chelating iron, copper, zinc, calcium ions, and is completely biodegradable. IDS finds applications in micro-element fertilizers, industrial and household cleaning products, and detergents.

CAS Number: 144538-83-0
EC Number: 604-420-0
Chemical formula: C8H7NNa4O8
Molecular weight: 337.102
Synonyms:Iminodisuccinic acid tetrasodium salt;
Tetrasodium N-(1,2-dicarboxylatoethyl)-ξ-aspartate(2−);
Tetrasodium 2,2′-azanediyldibutanedioate;
Speicifcation:
Appearance: White Powder
Assay: 93.0% min.
Moisture: 7% max.
pH (10g/l solution): 8.5~11.5
Solubility at 20°C (g/100g H2O): Water soluble
Bulk Density (g/cm³): 0.35~0.65