1.01126

Ammonium dihydrogen phosphate

for analysis EMSURE^® ACS,Reag. Ph Eur

• Synonym(s): Ammonium dihydrogen phosphate, Ammonium biphosphate, Ammonium phosphate monobasic, Primary ammonium phosphate, Monoammonium orthophosphate
• Linear Formula: (NH₄)H₂PO₄
• CAS Number: 7722-76-1
• Molecular Weight: 115.03
• MDL number: MFCD00003396
• UNSPSC Code: 12352301
• EC Index Number: 231-764-5

Properties

• 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

Description

Application

• Synthesis and characterization of hydroxyapatite nanoparticles from calcium hydroxide fouled with gases evolved from smokestack of glass industry.: This research explores the synthesis of hydroxyapatite nanoparticles using ammonium dihydrogen phosphate, detailing the process and analytical chemistry techniques involved. The study provides insights into the potential environmental and industrial applications of this method, offering an innovative approach to materials synthesis (Abdelmoaty and Mousa, 2024).


• Acid etching-induced nanocutting of LaNiO(3) transplanting self-assembled photodiode array-like LaNiO(3)/N,P-RGO nanoreactor for efficient photocatalytic hydrogen evolution.: This article discusses the use of ammonium dihydrogen phosphate in creating LaNiO(3) based nanoreactors through acid etching techniques. The resulting materials show promising applications in photocatalysis and hydrogen production, illustrating the compound′s utility in renewable energy technologies (Zou et al., 2024).


• Sustainable and Environmentally Friendly Microwave Synthesis of Nano-Hydroxyapatite from Decarbonized Eggshells.: This study utilizes ammonium dihydrogen phosphate in a green chemistry process to synthesize nano-hydroxyapatite from eggshells, emphasizing the environmental benefits and sustainability of this approach in materials science (Mahmoud, 2024).


• A Self-Powered Biochemical Sensor for Intelligent Agriculture Enabled by Signal Enhanced Triboelectric Nanogenerator.: This innovative research uses ammonium dihydrogen phosphate in the development of a self-powered biochemical sensor for agricultural applications, highlighting its role in enhancing device sensitivity and sustainability (Gao et al., 2024).


• Therapeutic drug monitoring of vancomycin in surgical patients through a validated HPLC method.: In this clinical study, ammonium dihydrogen phosphate is employed as part of a high-performance liquid chromatography (HPLC) method for monitoring vancomycin in surgical patients, demonstrating its crucial role in improving analytical accuracy and patient care (Akram et al., 2024).

Linkage

Replaces: AX1350; AX1350-1; AX1350-20

Analysis Note

Assay (acidimetric): ≥ 99.0 %
Insoluble matter: ≤ 0.005 %
pH-value (5 %; water, 25 °C): 3.8 - 4.4
pH-value (2.3%; water): about 4.2
Chloride (Cl): ≤ 0.0005 %
Nitrate (NO₃): ≤ 0.001 %
Sulfate (SO₄): ≤ 0.005 %
Heavy metals (as Pb): ≤ 0.0005 %
Ca (Calcium): ≤ 0.001 %
Fe (Iron): ≤ 0.001 %
K (Potassium): ≤ 0.005 %
Mg (Magnesium): ≤ 0.0005 %
Na (Sodium): ≤ 0.005 %
corresponds to ACS,Reag. Ph Eur

Legal Information

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

Safety Information

• Storage Class Code: 13 - Non Combustible Solids
• WGK: WGK 1
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable