EDTA sól disodowa, dihydrat dla biologii molekularnej – Scharlau
Informacje dodatkowe
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PRODUCENT: SCHARLAB
Ethylenediaminetetraacetic acid, EDTA
– 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. 99 %
absorbance of an aqueous solution 0,1 M in a 1 cm cell at 260 nm: max. 0,2 AU
absorbance of an aqueous solution 0,1 M in a 1 cm cell at 280 nm: max. 0,02 AU
heavy metals (as Pb): max. 5 ppm
loss on drying (150ºC, 6 h): 9,0 – 10,0 %
DNases, RNases, Proteases : non detected
