SX0320

Sodium bicarbonate

Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS

• Synonym(s): Sodium Hydrogen Carbonate, Baking Soda
• Linear Formula: NaHCO₃
• CAS Number: 144-55-8
• Molecular Weight: 84.01
• Beilstein: 4153970
• MDL number: MFCD00003528
• UNSPSC Code: 12352302
• EC Index Number: 205-633-8
• grade: ACS reagent
• form: powder
• solubility: 96 g/L

Properties

• grade: ACS reagent
• Quality Level: 200
• Agency: meets USP/NF
• Assay: 99.7-100.3% dry basis
• form: powder
• impurities: ≤0.015% Insoluble matter
• pH: 8.6 (20 °C, 50 g/L in H₂O)
• pKa (25 °C): (1) 6.37, (2) 10.25 (carbonic acid)
• mp: 270 °C (decomposition)
• solubility: 96 g/L
• density: 2.16 g/mL at 25 °C (lit.)
• anion traces: chloride (Cl^-): ≤0.003%; phosphate (PO₄^3-): ≤0.001%; sulfur compounds (as SO₄^2-): ≤0.003%
• cation traces: Ca: ≤0.02%; Fe: ≤0.001%; K: ≤0.005%; Mg: ≤0.005%; NH₄⁺: ≤5 ppm; heavy metals (as Pb): ≤5 ppm
• shipped in: ambient
• storage temp.: room temp
• SMILES string: [Na+].OC([O-])=O
• InChI: 1S/CH2O3.Na/c2-1(3)4;/h(H2,2,3,4);/q;+1/p-1
• InChI key: UIIMBOGNXHQVGW-UHFFFAOYSA-M

Description

Application

Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS

Analysis Note

Ammonium (NH4): 5ppm max
Assay (dried basis): 99.7-100.3%
Calcium (Ca): 0.02% max
Chloride (Cl): 0.003% max
Heavy metals (as Pb): 5ppm max
Insoluble matter: 0.015% max
Iron (Fe): 0.001% max
Magnesium (Mg): 0.005% max
Phosphate (PO4): 0.001% max
Potassium (K): 0.005% max
Sulfur compounds (as SO4): 0.003% max

Safety Information

• Storage Class Code: 13 - Non Combustible Solids
• WGK: WGK 1
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable