Phosphoric acid

InChI key

NBIIXXVUZAFLBC-UHFFFAOYSA-N

InChI

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

vapor density

3.4 (vs air)

vapor pressure

2.2 mmHg ( 20 °C), 5 mmHg ( 25 °C)

Quality Level

200

Gene Information

human ... SRC(6714)

SMILES string

OP(O)(O)=O

grade

puriss.

assay

85.0-88.0%

form

liquid

quality

meets analytical specification of Ph. Eur., BP, NF, FCC

impurities

alkali phosphates, in accordance, residual solvents, in accordance, substance precip. by Ammonia, in accordance, ≤0.0005% heavy metals (as Pb), ≤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^-): ≤5 mg/kg, fluoride (F^-): ≤5 mg/kg, nitrate (NO₃^-): ≤5 mg/kg, nitrate (NO₃^-): in accordance, phosphite, hypophosphite (as H₃PO₃): ≤30 mg/kg, phosphite, hypophosphite (as H₃PO₃): in accordance, sulfate (SO₄^2-): ≤50 mg/kg, sulfate (SO₄^2-): in accordance

cation traces

As: ≤2 mg/kg, Cd: ≤3 mg/kg, Cu: ≤10 mg/kg, Fe: ≤10 mg/kg, Hg: ≤1 mg/kg, Pb: ≤3 mg/kg, Zn: ≤10 mg/kg

suitability

passes test for appearance of solution