EDTA FREE ACID Grade:ULTRA PURE GRADE CAS Number: 60-00-4Synonym(s): Ethylenediaminetetraacetic acid Molecular Weight: 292.25Molecular Formula: C10H16N2O8 Storage Condition: ROOM TEMPERATURE CodeSizePriceQuantity 0322-500G 0322-1KG Calcium chelator used to eliminate inhibition of enzyme catalyzed reactions due to traces of heavy metals.