Phosphoric acid

Product Name

Phosphoric acid, puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., ≥85%

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

grade

ACS reagent
puriss. p.a.

agency

reag. ISO
reag. Ph. Eur.

vapor density

3.4 (vs air)

vapor pressure

2.2 mmHg ( 20 °C)
5 mmHg ( 25 °C)

assay

≥85%

form

liquid

impurities

reducing impurities, in accordance
residual solvents, in accordance
substances precipitated by ammonia, in accordance
≤0.001% KMnO₄ red. matter (as O)
≤0.001% heavy metals (as Pb)
≤0.001% insoluble matters (in water)
≤0.001% volatile acids (as CH₃COOH)

bp

158 °C (lit.)

mp

~40 °C (lit.)

density

1.685 g/mL at 25 °C (lit.)

anion traces

chloride (Cl^-): ≤0.0002%
fluoride (F^-): ≤0.0001%
nitrate (NO₃^-): ≤0.0003%
phosphite, hypophosphite (as H₃PO₃): ≤0.002%
phosphite, hypophosphite (as H₃PO₃): in accordance
sulfate (SO₄^2-): ≤0.003%

cation traces

As: ≤0.00005%
Ca: ≤0.001%
Cd: ≤0.0001%
Co: ≤0.0001%
Cr: ≤0.0001%
Cu: ≤0.0001%
Fe: ≤0.0005%
K: ≤0.0005%
Mg: ≤0.0005%
Mn: ≤0.00005%
Na: ≤0.002%
Ni: ≤1 mg/kg
Pb: ≤0.0001%
Sb: ≤2 mg/kg
Zn: ≤0.0002%

suitability

passes test for appearance of solution

Quality Level

100

Gene Information

human ... SRC(6714)