13433

Natriumbicarbonat

puriss., meets analytical specification of Ph. Eur., BP, USP, FCC, E500, 99.0-100.5%, powder

• Synonym(e): Natriumhydrogencarbonat, Natron
• Lineare Formel: NaHCO₃
• CAS-Nummer: 144-55-8
• Molekulargewicht: 84.01
• Beilstein: 4153970
• EG-Nummer: 205-633-8
• MDL-Nummer: MFCD00003528
• UNSPSC-Code: 12352302
• eCl@ss: 38020213
• PubChem Substanz-ID: 329750171
• NACRES: NA.21

Eigenschaften

• Qualität: puriss.; meets analytical specification of Ph. Eur., BP, USP, FCC, E500
• Qualitätsniveau: 200
• Assay: 99.0-100.5%
• Form: powder
• Verunreinigungen: ammonia (NH₃), in accordance; organic volatile impurities, complies; residual solvents, complies; water-insoluble matter, complies; ≤0.002% ammonium (NH₄), complies
• Verlust: ≤0.2% loss on drying (silica gel)
• pH-Wert: ≤8.6 (20 °C, 5%)
• pKa (25 °C): (1) 6.37, (2) 10.25 (carbonic acid)
• Dichte: 2.16 g/mL at 25 °C (lit.)
• Anionenspuren: carbonate (CO₃^2-): in accordance; chloride (Cl^-): ≤100 mg/kg; sulfate (SO₄^2-): ≤100 mg/kg
• Kationenspuren: Al: ≤0.5 mg/kg; As: ≤2 mg/kg; Ca: ≤100 mg/kg; Fe: ≤10 mg/kg; Hg: ≤1 mg/kg; K: ≤100 mg/kg; Pb: ≤2 mg/kg
• Eignung: complies for appearance of solution
• SMILES String: [Na+].OC([O-])=O
• InChI: 1S/CH2O3.Na/c2-1(3)4;/h(H2,2,3,4);/q;+1/p-1
• InChIKey: UIIMBOGNXHQVGW-UHFFFAOYSA-M

Beschreibung

Anwendung

Sodium bicarbonate may be involved in the fabrication of silica based monolith columns which can be used in capillary electrochromatography. It can also be used to maintain the pH of the column for the separation of proteins via ion exchange displacement chromatography.

Sicherheitshinweise

• Lagerklassenschlüssel: 13 - Non Combustible Solids
• WGK: WGK 1
• Flammpunkt (°F): Not applicable
• Flammpunkt (°C): Not applicable