Ammonium dihydrogen phosphate

grade

ACS reagent

Quality Level

300

Agency

reag. Ph. Eur.

vapor pressure

0.066 hPa ( 125 °C)

product line

EMSURE^®

Assay

≥99.0% (acidimetric)

form

solid

potency

5750 mg/kg LD₅₀ oral (Rat)
>7940 mg/kg LD₅₀ skin (Rabbit)

impurities

≤0.005% Insoluble matter

pH

3.8-4.4 (20 °C 50 g/L in H₂O)

mp

190 °C

density

1.80 g/cm³ at 20 °C

bulk density

800‑1100 kg/m³

anion traces

chloride (Cl^–): ≤0.0005%
nitrate (NO₃^–): ≤0.001%
sulfate (SO₄^2-): ≤0.005%

cation traces

Ca: ≤0.001%
Fe: ≤0.001%
K: ≤0.005%
Mg: ≤0.0005%
Na: ≤0.005%
heavy metals (as Pb): ≤0.0005%

storage temp.

2-30°C

InChI

1S/H3N.H3O4P/c;1-5(2 3)4/h1H3;(H3 1 2 3 4)

InChI key

LFVGISIMTYGQHF-UHFFFAOYSA-N