grade

ACS reagent

Quality Level

300

product line

EMSURE^®

Assay

≥98.0% (NH₄F basis, precipitation titration)

form

solid

impurities

≤0.005% Insoluble matter
≤0.5% Ammonium hydrogen difluoride
≤5% Water

ign. residue

≤0.01%

pH

6 (20 °C, 50 g/L in H₂O)

solubility

820 g/L

density

1.01 g/cm³ at 20 °C

bulk density

250‑350 kg/m³

anion traces

chloride (Cl^-): ≤0.001%
hexafluorosilicate (SiF₆^2-): ≤0.1%
sulfate (SO₄^2-): ≤0.005%

cation traces

Fe: ≤0.0005%
K: ≤0.002%
Na: ≤0.002%
heavy metals (as Pb): ≤0.0005%

storage temp.

15-25°C

SMILES string

F.F.N

InChI

1S/2FH.H3N/h2*1H;1H3

InChI key

KVBCYCWRDBDGBG-UHFFFAOYSA-N