1.01164

Ammonium fluoride

for analysis EMSURE^® ACS

• Synonym(s): Ammonium fluoride, Fluoroammonium
• Empirical Formula (Hill Notation): H₄FN
• CAS Number: 12125-01-8
• Molecular Weight: 37.04
• UNSPSC Code: 12352301
• EC Index Number: 235-185-9
• NACRES: NA.21
• MDL number: MFCD00011423
• Assay: ≥98.0% (NH₄F basis, precipitation titration)
• Grade: ACS reagent
• Form: solid
• Solubility: 820 g/L

Properties

• grade: ACS reagent
• Quality Segment: 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

Description

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).

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

Other Notes

Replaces: AX1295; AX1295-1

Legal Information

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

Safety Information

• pictograms: GHS06
• signalword: Danger
• hcodes: H301 + H311 + H331
• pcodes: P261 - P264 - P280 - P301 + P310 - P302 + P352 + P312 - P304 + P340 + P311
• 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: WGK 1
• flash_point_f: does not flash
• flash_point_c: does not flash