Ethylenediaminetetraacetic acid

English name: EDTA (Ethylenediaminetetraacetic acid) Molecular formula: C10H16N2O8 Molecular Weight: M = 292.24 CAS Number: 60-00-4 Properties: white crystalline powder, melting point 240 ℃ (decomposition). Insoluble in water, alcohol and organic solvents, slightly soluble in water, soluble in sodium hydroxide, sodium carbonate and ammonia solution. Quality Index: (Q / 24SJK01-2012 quality standards) standard test items Appearance: white crystalline powder Content% ≥ 99.0 Chloride (Cl dollars)% ≤ 0.01 Sulfate (SO4 dollars)% ≤ 0.05 Heavy metals (as Pb )% ≤ 0.001 iron (as Fe)% ≤ 0.001 chelation value: mgCaCO3 / g ≥ 339 pH value of 2.8-3.0 Packaging: 25kg / bag or according to customer requirements for packaging. Storage: Store in dry and ventilated warehouse, avoid direct sunlight, light stack gently.