EDTA sól disodowa, dihydrat EssentQ® do syntezy – Scharlau
Additional information
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PRODUCENT: SCHARLAB
Ethylenediaminetetraacetic acid, EDTA, d
– Synonyms: Edetic acid disodium salt, Disodium dihydrogen ethylenediaminetetraacetate
– C10H14N2Na2O8·2H2O
– M = 372,24 g/mol
– CAS [6381-92-6]
– EINECS-No.: 205-358-3
– Solub. in water: (20 ºC): 100 g/l
– Melting point: 252 ºC (decomposes)
– LD 50 (oral, rat): 2000 mg/kg
– GHS-signal word: Warning
– GHS-H sentences: H332 – H373 – –
– GHS-P sentences: P264 – P270 – P330 – P301+P312 – P501a
– Tariff number: 2922 49 95 90
– Applications: analytical chemistry, sequestering agent.
SPECIFICATIONS
assay (complexometric, referred to dried sample): min. 98 %
pH (5 %, H2O): 4 – 5
chlorides (Cl): max. 0,02 %
sulfates (SO4): max. 0,1 %
heavy metals (as Pb): max. 0,005 %
iron (Fe): max. 0,005 %
water (K.F.): 9 – 10 %
