1.06580

di-Natriumhydrogenphosphat-Dihydrat

for analysis EMSURE^®

• Synonym(e): Natriumphosphat Dihydrat, Natriummonohydrogenphosphat, zweibasisches Natriumphosphat, sec-Natriumphosphat, Dinatriumphosphat, di-Natriumhydrogenphosphat, di-Natriumhydrogenphosphat Dihydrat
• Lineare Formel: Na₂HPO₄ · 2H₂O
• CAS-Nummer: 10028-24-7
• Molekulargewicht: 177.99
• NACRES: NA.21
• EC Index Number: 231-448-7
• UNSPSC Code: 12352302
• MDL number: MFCD00149182
• Assay: ≥99.5% (acidimetric)
• Grade: Laboratory Reagent
• Form: solid
• Solubility: 93 g/L

Eigenschaften

• grade: Laboratory Reagent
• Quality Level: 300
• product line: EMSURE^®
• assay: ≥99.5% (acidimetric)
• form: solid
• potency: >2000 mg/kg LD₅₀, oral (Rat)
• pH: 9.0-9.2 (20 °C, 50 g/L in H₂O)
• mp: 92.5 °C (Elimination of water of crystallisation)
• solubility: 93 g/L
• density: 2.1 g/cm³ at 20 °C
• bulk density: 850‑1000 kg/m³
• anion traces: chloride (Cl^-): ≤0.001%, sulfate (SO₄^2-): ≤0.005%
• cation traces: Cu: ≤0.0003%, Fe: ≤0.001%, K: ≤0.005%, N: ≤0.001%, Pb: ≤0.001%, heavy metals (as Pb): ≤0.001%
• storage temp.: 2-30°C
• SMILES string: O.O.[Na+].[Na+].OP([O-])([O-])=O
• InChI: 1S/2Na.H3O4P.2H2O/c;;1-5(2,3)4;;/h;;(H3,1,2,3,4);2*1H2/q2*+1;;;/p-2
• InChI key: KDQPSPMLNJTZAL-UHFFFAOYSA-L

Beschreibung

Application

di-Sodium hydrogen phosphate dihydrate can be used as a:

• Buffering agent in size exclusion chromatography (SEC) analysis of adalimumab.
• Phosphorus source in the synthesis of hydroxyapatite via wet chemical precipitation.

Analysis Note

Gehalt (acidimetrisch): ≥ 99,5 %
Identität: entspricht
pH-Wert (5 %; Wasser): 9,0–9,2
Chlorid (Cl): ≤ 0,001 %
Sulfat (SO₄): ≤ 0,005 %
Gesamtstickstoff (N): ≤ 0,001 %
Schwermetalle (als Pb): ≤ 0,001 %
Cu (Kupfer): ≤ 0,0003 %
Fe (Eisen): ≤ 0,001 %
K (Kalium): ≤ 0,005 %
Pb (Blei): ≤ 0,001 %

Other Notes

Ersetzt: 1.06580.9057; SX0713; SX0713-5

Legal Information

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

Sicherheitshinweise

• Lagerklasse: 11 - Combustible Solids
• flash_point_f: Not applicable
• flash_point_c: Not applicable