meta-Phosphoric acid

Product Name

meta-Phosphoric acid, puriss. p.a., ACS reagent, ≥33.5% (T)

InChI

1S/HO3P/c1-4(2)3/h(H,1,2,3)

SMILES string

OP(=O)=O

InChI key

UEZVMMHDMIWARA-UHFFFAOYSA-N

grade

ACS reagent
puriss. p.a.

form

crystalline

contains

57-63% NaPO₃ as stabilizer

concentration

≥33.5% (T)

technique(s)

HPLC: suitable

solubility

water: miscible

density

2 g/cm³

anion traces

chloride (Cl^-): ≤10 mg/kg
nitrate (NO₃^-): ≤5 mg/kg
sulfate (SO₄^2-): ≤20 mg/kg

cation traces

As: ≤1 mg/kg
Ca: ≤20 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤10 mg/kg
K: ≤50 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Zn: ≤5 mg/kg

Quality Level

200