1.04819

Ethylenedinitrilotetraacetic acid dipotassium salt dihydrate

suitable for titration

• Sinonimo/i: Ethylenedinitrilotetraacetic acid dipotassium salt dihydrate, Ethylenedinitrilotetraacetic acid dipotassium salt, Titriplex^® Potassium salt
• Formula empirica (notazione di Hill): C₁₀H₁₄K₂N₂O₈ · 2H₂O
• Numero CAS: 25102-12-9
• Peso molecolare: 404.45
• Codice UNSPSC: 12352107
• Numero indice EU: 217-895-0
• NACRES: NA.21

Proprietà

• product name: Ethylenedinitrilotetraacetic acid dipotassium salt dihydrate, for analysis
• Livello qualitativo: 100
• Forma fisica: solid
• Potenza: >2000 mg/kg LD₅₀, oral (Rat)
• Impiego in reazioni chimiche: reaction type: Complexometric reactions
• tecniche: titration: suitable
• pH: 4-5 (20 °C, 50 g/L in H₂O)
• Punto di fusione: 272 °C
• Densità bulk: 310 kg/m³
• Temperatura di conservazione: 15-25°C
• InChI: 1S/C10H16N2O8.2K.2H2O/c13-7(14)3-11(4-8(15)16)1-2-12(5-9(17)18)6-10(19)20;;;;/h1-6H2,(H,13,14)(H,15,16)(H,17,18)(H,19,20);;;2*1H2/q;2*+1;;/p-2; JFROQFOCFOKDKU-UHFFFAOYSA-L

Descrizione

Risultati analitici

Assay (complexometric; calculated on dried substance): ≥ 99.0 %
Identity (IR): conforms
Identity (Potassium): conforms
Appearance of solution (50 g/l; water): Clear and colourless
pH (50 g/l; water): 4.0 - 5.0
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): ≤ 0.001 %
Nitrilotriacetic acid: ≤ 0.05 %
Loss on drying (150 °C; 6 h): 8.5 - 9.5 %

Note legali

Titriplex is a registered trademark of Merck KGaA, Darmstadt, Germany

Informazioni sulla sicurezza

• Pittogrammi: GHS07
• Avvertenze: Warning
• Indicazioni di pericolo: H332
• Consigli di prudenza: P261 - P271 - P304 + P340 + P312
• Classi di pericolo: Acute Tox. 4 Inhalation
• Codice della classe di stoccaggio: 11 - Combustible Solids
• Classe di pericolosità dell'acqua (WGK): WGK 2