grade

ACS reagent

Quality Level

200

vapor density

3.4 (vs air)

vapor pressure

2.2 mmHg ( 20 °C)
5 mmHg ( 25 °C)

Assay

≥85% H₃PO₄ basis (by NaOH, titration)

form

liquid

concentration

≥85 wt. % in H₂O

technique(s)

NMR: suitable

impurities

reducing substances, passes test
≤0.001% volatile acids (as CH₃COOH)

color

APHA: ≤10

bp

158 °C (lit.)

mp

~40 °C (lit.)

density

1.685 g/mL at 25 °C (lit.)

anion traces

chloride (Cl^-): ≤3 ppm
nitrate (NO₃^-): ≤5 ppm
sulfate (SO₄^2-): ≤0.003%

cation traces

As: ≤1 ppm
Ca: ≤0.002%
Fe: ≤0.003%
K: ≤0.005%
Mg: ≤0.02%
Mn: ≤0.5 ppm
Na: ≤0.025%
Sb: ≤0.002%
heavy metals: ≤0.001% (by ICP)

SMILES string

OP(O)(O)=O

InChI

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

InChI key

NBIIXXVUZAFLBC-UHFFFAOYSA-N

Gene Information

human