13433

Bicarbonato de sódio

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

• Sinônimo(s): Sodium hydrogen carbonate
• Fórmula linear: NaHCO₃
• Número CAS: 144-55-8
• Peso molecular: 84.01
• Beilstein: 4153970
• Número CE: 205-633-8
• Número MDL: MFCD00003528
• Código UNSPSC: 12352302
• eCl@ss: 38020213
• ID de substância PubChem: 329750171
• NACRES: NA.21

Propriedades

• grau: puriss.
• Ensaio: 99.0-100.5%
• forma: powder
• qualidade: meets analytical specification of Ph. Eur., BP, USP, FCC, E500
• Impurezas: ammonia (NH₃), in accordance; organic volatile impurities, complies; residual solvents, complies; water-insoluble matter, complies; ≤0.002% ammonium (NH₄), complies
• perda: ≤0.2% loss on drying (silica gel)
• pH: ≤8.6 (20 °C, 5%)
• pKa (25 °C): (1) 6.37, (2) 10.25 (carbonic acid)
• densidade: 2.16 g/mL at 25 °C (lit.)
• traços de ânion: carbonate (CO₃^2-): in accordance; chloride (Cl^-): ≤100 mg/kg; sulfate (SO₄^2-): ≤100 mg/kg
• traços de cátion: 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
• adequação: complies for appearance of solution
• cadeia de caracteres SMILES: [Na+].OC([O-])=O
• InChI: 1S/CH2O3.Na/c2-1(3)4;/h(H2,2,3,4);/q;+1/p-1
• chave InChI: UIIMBOGNXHQVGW-UHFFFAOYSA-M

Descrição

Aplicação

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.

Informações de segurança

• Código de classe de armazenamento: 13 - Non Combustible Solids
• Classe de risco de água (WGK): WGK 1
• Ponto de fulgor (°F): Not applicable
• Ponto de fulgor (°C): Not applicable