Sodium hydrogen selenite

Product Name

Sodium hydrogen selenite, purum p.a., ≥96.0% (RT)

InChI key

OHYAUPVXSYITQV-UHFFFAOYSA-M

InChI

1S/Na.H2O3Se/c;1-4(2)3/h;(H2,1,2,3)/q+1;/p-1

SMILES string

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

grade

purum p.a.

assay

≥96.0% (RT)

form

crystals

pH

5.4-7.2 (25 °C, 50 mg/mL in H₂O, hot)

anion traces

chloride (Cl^-): ≤100 mg/kg
selenate, sulfate (as SO₄^2-): ≤1500 mg/kg

cation traces

Ca: ≤100 mg/kg
Cd: ≤50 mg/kg
Co: ≤50 mg/kg
Cu: ≤100 mg/kg
Fe: ≤50 mg/kg
K: ≤100 mg/kg
Ni: ≤50 mg/kg
Pb: ≤300 mg/kg
Zn: ≤100 mg/kg