1.01116

Ammonium acetate

for analysis EMSURE^® ACS,Reag. Ph Eur

• Synonym(s): Ammonium acetate
• Empirical Formula (Hill Notation): C₂H₇NO₂
• CAS Number: 631-61-8
• Molecular Weight: 77.08
• MDL number: MFCD00013066
• UNSPSC Code: 12352107
• EC Index Number: 211-162-9
• NACRES: NA.21

Properties

• grade: ACS reagent
• Quality Level: 300
• agency: reag. Ph. Eur.
• product line: EMSURE^®
• assay: ≥98.0% (acidimetric)
• form: solid
• impurities: ≤0.005% Insoluble matter; ≤0.005% Substances reducing potassium permanganate (as formic acid); ≤2% Water
• ign. residue: ≤0.01% (as sulfate)
• pH: 6.7-7.3 (25 °C, 50 g/L in H₂O)
• mp: 114 °C
• density: 1.17 g/cm³ at 20 °C
• bulk density: 410 kg/m³
• anion traces: chloride (Cl^-): ≤0.0005%; nitrate (NO₃^-): ≤0.001%; sulfate (SO₄^2-): ≤0.001%
• cation traces: Ca: ≤0.001%; Fe: ≤0.0002%; heavy metals (as Pb): ≤0.0002%
• storage temp.: 15-25°C
• InChI: 1S/C2H4O2.H3N/c1-2(3)4;/h1H3,(H,3,4);1H3
• InChI key: USFZMSVCRYTOJT-UHFFFAOYSA-N

Description

Application

• Ammonium Acetate in Buffer Preparation: A study highlighted the use of ammonium acetate in buffer solutions for molecular biology applications, emphasizing its role in maintaining pH stability and compatibility with various biochemical processes (Ahamed et al., 2024).


• High-Purity Ammonium Acetate for Mass Spectrometry: Another research employed high-purity ammonium acetate in developing a robust mass spectrometry method for the analysis of complex biological samples, demonstrating its effectiveness in improving detection sensitivity and accuracy (Mozayad et al., 2024).


• Material Science Applications: In the field of material science, ammonium acetate has been used as a precursor for the synthesis of novel materials with potential applications in energy storage and electronics, showcasing its versatility and functional importance (Hansen et al., 2024).


• Pharmaceutical Synthesis: Highlighting its role in pharmaceutical formulations, a study discussed the use of ammonium acetate as a catalyst in drug synthesis processes, contributing to more efficient and cleaner production methods (Zhao et al., 2024).


• Environmental Testing Reagent: Ammonium acetate is also pivotal in environmental science, particularly in the analysis of soil and water samples for pollution assessment, where it acts as an effective ion pairing agent to measure various pollutants (Kopeć et al., 2024).

Linkage

Replaces: AX1220; AX1220-1; AX1220-3; AX1220-5; AX1220-20

Analysis Note

Assay (acidimetric): ≥ 98.0 %
Insoluble matter: ≤ 0.005 %
pH-value (5 %; water, 25 °C): 6.7 - 7.3
Chloride (Cl): ≤ 0.0005 %
Nitrate (NO₃): ≤ 0.001 %
Sulfate (SO₄): ≤ 0.001 %
Heavy metals (as Pb): ≤ 0.0002 %
Ca (Calcium): ≤ 0.001 %
Fe (Iron): ≤ 0.0002 %
Substances reducing potassium permanganate (as formic acid): ≤ 0.005 %
Residue on ignition (as sulfate): ≤ 0.01 %
Water: ≤ 2.0 %
Corresponds to ACS,Reag. Ph Eur

Legal Information

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

Safety Information

• Storage Class: 11 - Combustible Solids
• wgk_germany: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable