SX0320
Sodium bicarbonate
Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS
Synonym(s):
Sodium Hydrogen Carbonate, Baking Soda
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About This Item
grade
ACS reagent
Quality Level
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 (PO43-): ≤0.001%, sulfur compounds (as SO42-): ≤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
Application
Analysis Note
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
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Storage Class
13 - Non Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
Certificates of Analysis (COA)
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