Sodium carbonate

grade

ACS reagent
anhydrous

Quality Level

200

Assay

≥99.5%

form

powder or granules

impurities

≤0.005% silica
≤0.01% insolubles

loss

≤1.0% loss on heating 285 °C

pH

12 (25 °C 106 g/L)

mp

851 °C (lit.)

anion traces

chloride (Cl^–): ≤0.001%
phosphate (PO₄^3-): ≤0.001%
sulfur compounds (as SO₄^2-): ≤0.003%

cation traces

Ca: ≤0.03%
Fe: ≤5 ppm
K: ≤0.005%
Mg: ≤0.005%
heavy metals: ≤5 ppm (by ICP-OES)

SMILES string

O=C(O[Na])O[Na]

InChI

1S/CH2O3.2Na/c2-1(3)4;;/h(H2 2 3 4);;/q;2*+1/p-2

InChI key

CDBYLPFSWZWCQE-UHFFFAOYSA-L