1.06448

Natriumcitrat, Dihydrat

for analysis EMSURE^® ACS,ISO,Reag. Ph Eur

• Synonym(e): Natriumcitrat, dreibasisch Dihydrat, Citronensäure Natriumsalz, Citronensäure Trinatriumsalz, Natriumcitrat tribasisch Dihydrat
• Lineare Formel: HOC(COONa)(CH₂COONa)₂ · 2H₂O
• CAS-Nummer: 6132-04-3
• Molekulargewicht: 294.10
• UNSPSC Code: 12352107
• NACRES: NA.21
• EC Index Number: 200-675-3
• MDL number: MFCD00150031
• Beilstein/REAXYS Number: 6104939
• Assay: 99.0-101.0% (perchloric acid titration), 99.0-101.0% anhydrous basis (perchloric acid titration)
• Grade: ACS reagent
• Form: solid

Eigenschaften

• grade: ACS reagent
• Quality Level: 300
• agency: reag. ISO, reag. Ph. Eur.
• product line: EMSURE^®
• assay: 99.0-101.0% (perchloric acid titration), 99.0-101.0% anhydrous basis (perchloric acid titration)
• form: solid
• potency: >8000 mg/kg LD₅₀, oral (Rat)
• composition: Water, 11-13%
• impurities: ≤0.005% Insoluble matter
• pH: 7.5-9.0 (25 °C, 50 g/L in H₂O)
• mp: 150 °C (anhydrous substance), >300 °C (lit.)
• bulk density: 600 kg/m³
• anion traces: chloride (Cl^-): ≤0.001%, oxalate (C₂O₄^2-): ≤0.0300%, phosphate (PO₄^3-): ≤0.002%, sulfate (SO₄^2-): ≤0.004%
• cation traces: Ca: ≤0.005%, Fe: ≤0.0005%, N: ≤0.001%, NH₄⁺: ≤0.003%, heavy metals: ≤0.0005%, heavy metals (as Pb): ≤0.0005%
• storage temp.: 2-30°C
• SMILES string: O.O.[Na+].[Na+].[Na+].OC(CC([O-])=O)(CC([O-])=O)C([O-])=O
• InChI: 1S/C6H8O7.3Na.2H2O/c7-3(8)1-6(13,5(11)12)2-4(9)10;;;;;/h13H,1-2H2,(H,7,8)(H,9,10)(H,11,12);;;;2*1H2/q;3*+1;;/p-3
• InChI key: NLJMYIDDQXHKNR-UHFFFAOYSA-K

Beschreibung

Application

Sodium citrate, dihydrate can be used as a:

• Template in the preparation of cobalt oxide (Co₃O₄) anode materials via hydrothermal method.
• Complexing agent in the synthesis of CdS nanocrystalline thin films.
• Reducing agent in the synthesis of citrate-capped gold nanoparticles.
• Buffering agent to maintain stable pH levels in desloratadine syrup formulation.

Analysis Note

Gehalt (Perchlorsäuretitration): 99,0 - 101,0 %
Gehalt (Perchlorsäuretitration, berechnet auf wasserfreie Substanz): 99,0 - 101,0 %
Identität: entspricht
Aussehen der Lösung: entspricht
Unlösliche Anteile: ≤ 0,005 %
pH-Wert (5 %; Wasser; 25 °C): 7,5 - 9,0
Acidität oder Alkalität: entspricht
Chlorid (Cl): ≤ 0,001 %
Oxalat (C₂O₄): ≤ 0,0300 %
Phosphat (PO₄): ≤ 0,002 %
Sulfat (SO₄): ≤ 0,004 %
Gesamtstickstoff (N): ≤ 0,001 %
Schwermetalle (ACS): ≤ 0,0005 %
Schwermetalle (als Pb): ≤ 0,0005 %
Ca (Calcium): ≤ 0,005 %
Fe (Eisen): ≤ 0,0005 %
NH₃ (Ammoniak): ≤ 0,003 %
Verhalten gegen Schwefelsäure: entspricht
Wasser: 11,0 - 13,0 %
Entspricht ACS, ISO, Reag. Ph Eur

Other Notes

Ersetzt: SX0445; SX0445-1; SX0445-3; SX0445-5; SX0445-20

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