EDTA sól disodowa, dihydrat Pharmpur® ekstra czysta, Ph Eur, BP, USP – Scharlau
Additional information
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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): 99,0 – 101,0 %
assay (complexometric): 98,5 – 101,0 %
Identification IR: passes test
Identification sodium: passes test
Identification B (USP): passes test
Identification B (EP): passes test
Identification C (EP): passes test
appearance of solution: clear and colourless
pH (5 %, H2O): 4,0 – 5,5
calcium (Ca): passes test
iron (Fe): max. 80 ppm
nitrilotriacetic acid [(HOCOCH4)3N]: max. 0,1 %
loss on drying (150ºC, 6 h): 8,7 – 11,4 %
