Grade

ACS reagent

Quality Level

200

grade

puriss. p.a.

분석

≥99.5% (RT)

양식

powder or crystals

불순물

≤0.002% ammonium (NH₄)

손실

≤0.01% loss on drying, 105 °C

pH

7-8.5 (25 °C, 2.5% in H₂O)

음이온 미량물

chloride (Cl^-): ≤20 mg/kg
sulfate (SO₄^2-): ≤20 mg/kg

양이온 미량물

Ca: ≤100 mg/kg
Cd: ≤10 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤10 mg/kg
K: ≤50 mg/kg
Mg: ≤10 mg/kg
Mn: ≤50 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Zn: ≤5 mg/kg

SMILES string

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

InChI

1S/C2H2O4.2Na/c3-1(4)2(5)6;;/h(H,3,4)(H,5,6);;/q;2*+1/p-2

InChI key

ZNCPFRVNHGOPAG-UHFFFAOYSA-L