EINECS 266-442-3

2-Phosphonobutane-1.2.4.-tricarboxylic Acid 4Na (PBTC 4Na)

tetrasodium hydrogen 2-phosphonatobutane-1,2,4-tricarboxylate

1,2,4-Butanetricarboxylic acid, 2-phosphono-, tetrasodium salt