13433

Bicarbonate de sodium

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

• Synonyme(s) : Sodium hydrogen carbonate
• Formule linéaire : NaHCO₃
• Numéro CAS: 144-55-8
• Poids moléculaire : 84.01
• Numéro Beilstein : 4153970
• Numéro CE : 205-633-8
• Numéro MDL: MFCD00003528
• Code UNSPSC : 12352302
• eCl@ss : 38020213
• ID de substance PubChem : 329750171
• Nomenclature NACRES : NA.21

Propriétés

• Qualité: puriss.; meets analytical specification of Ph. Eur., BP, USP, FCC, E500
• Niveau de qualité: 200
• Pureté: 99.0-100.5%
• Forme: powder
• Impuretés: ammonia (NH₃), in accordance; organic volatile impurities, complies; residual solvents, complies; water-insoluble matter, complies; ≤0.002% ammonium (NH₄), complies
• Perte: ≤0.2% loss on drying (silica gel)
• pH: ≤8.6 (20 °C, 5%)
• pKa (25 °C): (1) 6.37, (2) 10.25 (carbonic acid)
• Densité: 2.16 g/mL at 25 °C (lit.)
• Traces d'anions: carbonate (CO₃^2-): in accordance; chloride (Cl^-): ≤100 mg/kg; sulfate (SO₄^2-): ≤100 mg/kg
• Traces de cations: 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
• Adéquation: complies for appearance of solution
• Chaîne SMILES: [Na+].OC([O-])=O
• InChI: 1S/CH2O3.Na/c2-1(3)4;/h(H2,2,3,4);/q;+1/p-1
• Clé InChI: UIIMBOGNXHQVGW-UHFFFAOYSA-M

Description

Application

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.

Informations sur la sécurité

• Code de la classe de stockage: 13 - Non Combustible Solids
• Classe de danger pour l'eau (WGK): WGK 1
• Point d'éclair (°F): Not applicable
• Point d'éclair (°C): Not applicable