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Ethylenediaminetetraacetic acid, EDTA, disodium salt, solution 0,025 mol/l (0,05 N)

- C10H14N2Na2O8·2H2Or- M = 372,24 g/molr- CAS [6381-92-6]r- EINECS-No.: 205-358-3r- Density: 0,998 g/cm3 r- LD 50 (oral, rat): 2000 mg/kg (EDTA disodium salt)r- Tariff number: 2922 49 95 90r- Applications: analytical chemistry, sequestering agent, for metals titration.rrSPECIFICATIONSrfactor: 0,999 - 1,001runcertainty ± 0,001 This solution was analysed using a certified reference material (calcium carbonate). The certified reference material is ISO 17034 accredited, measured according to ISO/IEC 17025 and traceable to the International System of Units by means of a Standard Reference Material from NIST: SRM® 915 (Calcium Carbonate). r