grade

ACS reagent

assay

≥99.5%

form

powder or crystals

impurities

≤0.001% N compounds
≤0.004% S compounds
≤0.005% silica
≤0.01% NH₄OH ppt.
≤0.01% insolubles

loss

13.0-15.0% loss on drying

anion traces

chloride (Cl^-): ≤0.001%
phosphate (PO₄^3-): ≤5 ppm
sulfur compounds (as SO₄^2-): ≤0.004%

cation traces

Ca: ≤0.03%
Fe: ≤5 ppm
K: ≤0.005%
Mg: ≤0.005%
heavy metals (as Pb): ≤5 ppm

SMILES string

O.[Na+].[Na+].[O-]C([O-])=O

InChI

1S/CH2O3.2Na.H2O/c2-1(3)4;;;/h(H2,2,3,4);;;1H2/q;2*+1;/p-2

InChI key

MQRJBSHKWOFOGF-UHFFFAOYSA-L