Sodium hypophosphite monohydrate

InChI

1S/Na.H3O2P.H2O/c;1-3-2;/h;3H2,(H,1,2);1H2/q+1;;/p-1

InChI key

PLZNPHDJGFDNRM-UHFFFAOYSA-M

SMILES string

O.[Na+].[O-][PH2]=O

agency

USP/NF, reag. Ph. Eur.

grade

puriss. p.a.

assay

≥99%

form

powder or crystals

impurities

≤0.001% ammonium (NH₄)

pH

6-8 (20 °C, 5%)

anion traces

chloride (Cl^-): ≤50 mg/kg, phosphate, phosphite (as PO₄^3-): ≤5000 mg/kg, sulfate (SO₄^2-): ≤100 mg/kg

cation traces

As: ≤1 mg/kg, Ba: ≤50 mg/kg, Ca: ≤200 mg/kg, Cd: ≤5 mg/kg, Co: ≤5 mg/kg, Cu: ≤5 mg/kg, Fe: ≤5 mg/kg, Mg: ≤50 mg/kg, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Zn: ≤5 mg/kg