grade

ACS reagent
puriss. p.a.

Assay

≥99.0% (T)

impurities

≤0.01% insoluble matter
≤10 mg/kg total nitrogen (N)

pH

4.1-4.5 (25 °C, 50 mg/mL in H₂O)

anion traces

chloride (Cl^-): ≤5 mg/kg
sulfate (SO₄^2-): ≤30 mg/kg

cation traces

As: ≤0.00005%
Ca: ≤0.001%
Cd: ≤0.0005%
Co: ≤0.0005%
Cr: ≤0.0005%
Cu: ≤0.0005%
Fe: ≤0.0005%
K: ≤0.005%
Mg: ≤0.0005%
Mn: ≤0.0005%
Ni: ≤0.0005%
Pb: ≤0.0005%
Zn: ≤0.0005%
heavy metals: ≤10 mg/kg (by ICP-OES)

storage temp.

10-30°C

SMILES string

[Na+].[H]O[H].OP(O)([O-])=O

InChI

1S/Na.H3O4P.H2O/c;1-5(2,3)4;/h;(H3,1,2,3,4);1H2/q+1;;/p-1

InChI key

BBMHARZCALWXSL-UHFFFAOYSA-M