Ácido fosfórico

Nombre del producto

Ácido fosfórico, puriss. p.a., crystallized, ≥99.0% (T)

InChI key

NBIIXXVUZAFLBC-UHFFFAOYSA-N

InChI

1S/H3O4P/c1-5(2,3)4/h(H3,1,2,3,4)

SMILES string

OP(O)(O)=O

vapor density

3.4 (vs air)

vapor pressure

2.2 mmHg ( 20 °C)
5 mmHg ( 25 °C)

grade

puriss. p.a.

assay

≥99.0% (T)

form

powder or crystals

quality

crystallized

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impurities

≤0.002% KMnO₄-reducing matter (as O)

bp

158 °C (lit.)

mp

~40 °C (lit.)
~40 °C

solubility

water: 850 g/L at 20 °C

density

1.685 g/mL at 25 °C (lit.)

anion traces

chloride (Cl^-): ≤5 mg/kg
nitrate (NO₃^-): ≤5 mg/kg
phosphite, hypophosphite (as H₃PO₃): ≤500 mg/kg
sulfate (SO₄^2-): ≤30 mg/kg

cation traces

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

greener alternative category

Enabling

Quality Level

200