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LC2532 Ethylenedinitrilotetraacetic acid disodium salt dihydrate Order number Packaging Quantity Price AC29532 Plastic bottle 250 g 28.8 AC29532 Plastic bottle 1 kg 99 AC29532 Fibre carton 25 kg Inquire Product information Synonyms Disodium dihydrogen ethylenediaminetetraacetate, Ethylenediaminetetraacetic acid disodium salt Hill Formula C10H14N2Na2O8* 2 H2O Chemical formula C10H14N2Na2O8* 2 H2O HS Code 2922 49 85 Molar mass 372.24g/mol CAS number 6381-92-6 Chemical and physical data Solubility 100g/l (20C) Melting point 110CElimination of water of crystallisation Molar mass 372.24g/mol Bulk density 700kg/m3 pH value 4-5 (50g/l, H2O, 20C) Safety information RTECS AH4410000 Storage class 10 - 13 Other liquids and solids WGK WGK 2 water endangering Disposal 3Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C. Toxicological data LD 50 oral LD50 rat > 2000 mg/kg Specifications Assay(complexometric; calculated as dihydrate) 99.0 - 101.0% Identity - IR-spectrum conforms - Complexation conforms - sodium conforms pH(50g/l; water) 4.0 - 5.5 In water insoluble matter 0.003% Chloride (Cl) 0.004% Sulfate (SO4) 0.01% Cyanide (CN) 0.001% Heavy metals(as Pb) 0.0005% Cu (Copper) 0.0001% Fe (Iron) 0.0005% Pb (Lead) 0.001% Nitrilotriacetic acid(HPLC) 0.05% Loss on drying(150C; 6h) 8.7 - 11.4%