1.06393

Natriumcarbonat

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

• Synonym(e): wasserfreie Soda, Calcinierte Soda, Kohlensäure Dinatriumsalz, Waschsoda
• Lineare Formel: Na₂CO₃
• CAS-Nummer: 497-19-8
• Molekulargewicht: 105.99
• UNSPSC Code: 12352302
• NACRES: NA.21
• EC Index Number: 207-838-8
• MDL number: MFCD00003494
• Beilstein/REAXYS Number: 4154566
• Assay: ≥99.9% dry basis (acidimetric)
• Grade: ACS reagent
• Form: powder

Eigenschaften

• grade: ACS reagent
• Quality Segment: 300
• agency: reag. ISO, reag. Ph. Eur.
• product line: EMSURE^®
• assay: ≥99.9% dry basis (acidimetric)
• form: powder
• potency: 4090 mg/kg LD₅₀, oral (Rat)
• impurities: ≤0.01% Insoluble matter
• loss: ≤1% loss on drying, 300 °C
• pH: 11.16 (25 °C, 4 g/L in H₂O)
• mp: 851 °C (lit.)
• density: 2.53 g/cm³ at 20 °C
• bulk density: 1100 kg/m³
• anion traces: chloride (Cl^-): ≤0.001%, phosphate (PO₄^3-): ≤0.001%, silicate (as SiO₂): ≤0.005%, sulfur compounds (as SO₄^2-): ≤0.003%
• cation traces: Al: ≤0.001%, As: ≤0.0001%, Ca: ≤0.005%, Fe: ≤0.0005%, K: ≤0.005%, Mg: ≤0.0005%, N: ≤0.001%, heavy metals: ≤0.0005%, heavy metals (as Pb): ≤0.0005%
• storage temp.: 2-30°C
• SMILES string: O=C(O[Na])O[Na]
• InChI: 1S/CH2O3.2Na/c2-1(3)4;;/h(H2,2,3,4);;/q;2*+1/p-2
• InChI key: CDBYLPFSWZWCQE-UHFFFAOYSA-L

Beschreibung

Biochem/physiol Actions

Pufferbestandteil, kann zur Entfernung peripherer Membranproteine eingesetzt werden.

Analysis Note

Gehalt (acidimetrisch; aus getrockneter Substanz): ≥ 99.9 %
Unlösliche Anteile: ≤ 0.01 %
Chlorid (Cl): ≤ 0.001 %
Phosphat (PO₄): ≤ 0.001 %
Silicat (als SiO₂): ≤ 0.005 %
Gesamtschwefel (als SO₄): ≤ 0.003 %
Gesamtstickstoff (N): ≤ 0.001 %
Schwermetalle (ACS): ≤ 0.0005 %
Schwermetalle (als Pb): ≤ 0.0005 %
Al (Aluminium): ≤ 0.001 %
As (Arsen): ≤ 0.0001 %
Ca (Calcium): ≤ 0.005 %
Fe (Eisen): ≤ 0.0005 %
K (Kalium): ≤ 0.005 %
Mg (Magnesium): ≤ 0.0005 %
Trocknungsverlust (300 °C): ≤ 1.0 %
Entspricht ACS,ISO,Reag. Ph Eur

Other Notes

Replaces: SX0400-20; SX0400-5

Legal Information

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

Sicherheitshinweise

• pictograms: GHS07
• signalword: Warning
• hcodes: H319
• pcodes: P264 - P280 - P305 + P351 + P338 - P337 + P313
• Hazard Classifications: Eye Irrit. 2
• Lagerklasse: 13 - Non Combustible Solids
• wgk: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable