N-（膦酰基甲基）亚氨基二乙酸水合物是N-（膦酰基甲基）亚氨基二乙酸（PMIDA；H4pmida）的水合形式。PMIDA在各种溶剂和溶剂混合物中的溶解度已被研究。它是合成N-（膦酰基甲基）亚氨基二乙酸酯（pmida4-）这种多齿有机配体的起始材料。PMIDA在金属盐存在下经历分子氧氧化以形成N-（膦酰基甲基）甘氨酸，也称为草甘膦。H4pmida可形成各种三维无机-有机杂化化合物的结构单元。 N- (phosphonomethyl) iminodiacetic acid hydrate is N- (phosphonomethyl) iminodiacetic acid (PMIDA；; H4pmida). The solubility of PMIDA in various solvents and solvent mixtures has been studied. It is the starting material for the synthesis of N- (phosphonomethyl) iminodiacetate (pmida4-), a multidentate organic ligand. PMIDA undergoes molecular oxygen oxidation in the presence of metal salts to form N- (phosphonomethyl) glycine, also known as glyphosate. H4pmida can form structural units of various three-dimensional inorganic-organic hybrid compounds.