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Ammonium fluoride

for analysis EMSURE® ACS

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Synonym(s):
Ammonium fluoride, Fluoroammonium
Empirical Formula (Hill Notation):
H4FN
CAS Number:
Molecular Weight:
37.04
MDL number:
EC Index Number:
235-185-9

grade

ACS reagent

Quality Level

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 (SiF62-): ≤0.1%
sulfate (SO42-): ≤0.005%

cation traces

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

storage temp.

15-25°C

InChI

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

InChI key

KVBCYCWRDBDGBG-UHFFFAOYSA-N

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Related Categories

Application


  • Ammonium Fluoride in Analytical Chemistry: Ammonium fluoride is extensively used in chromatographic analyses as demonstrated in the synthesis of bifunctional magnetic polymers for the pretreatment and determination of specific metabolites in plasma samples, enhancing both the selectivity and sensitivity of the detection processes (Sun et al., 2024).

  • Silica Synthesis: The compound is used in the activation mechanism for the synthesis of hydrated silica from industrial waste, showcasing its role in promoting environmental sustainability and material recovery (Duan et al., 2024).

  • Energy Storage Materials: In the field of energy storage, ammonium fluoride acts as a structuring agent in the systematic design of single metal compounds, which are crucial for developing advanced battery technologies (Kuo et al., 2023).

  • Environmental Safety and Photocatalysis: It also finds application in environmental safety and photocatalytic processes, where it is used to enhance the photocatalytic activity of materials for biomass conversion and CO2 reduction, contributing to cleaner energy solutions (Liu et al., 2023).

Linkage

Replaces: AX1295; AX1295-1

Analysis Note

Assay (precipitation titration, NH₄F): ≥ 98.0 %
Ammonium hydrogen difluoride (NH₄HF₂): ≤ 0.5 %
Chloride (Cl): ≤ 0.001 %
Hexafluorosilicate (SiF₆): ≤ 0.1 %
Sulfate (SO₄): ≤ 0.005 %
Heavy metals (as Pb): ≤ 0.0005 %
Fe (Iron): ≤ 0.0005 %
K (Potassium): ≤ 0.002 %
Na (Sodium): ≤ 0.002 %
Water: ≤ 5 %
Insoluble matter: ≤ 0.005 %
Residue on ignition: ≤ 0.01 %
Conform to ACS

Legal Information

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany

pictograms

Skull and crossbones

signalword

Danger

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral

Storage Class

6.1D - Non-combustible, acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects

wgk_germany

WGK 1

flash_point_f

does not flash

flash_point_c

does not flash


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