1.01207

di-Ammonium hydrogen phosphate

for analysis EMSURE^® ACS,Reag. Ph Eur

• Synonym(s): di-Ammonium hydrogen phosphate, Ammonium biphosphate, Ammonium phosphate dibasic, Diammonium hydrogen phosphate, Fyrex
• Linear Formula: (NH₄)₂HPO₄
• CAS Number: 7783-28-0
• Molecular Weight: 132.06
• MDL number: MFCD00010891
• UNSPSC Code: 12352301
• EC Index Number: 231-987-8
• NACRES: NA.21

Properties

• grade: ACS reagent
• Quality Level: 300
• agency: reag. Ph. Eur.
• product line: EMSURE^®
• assay: ≥99.0% (acidimetric)
• form: solid
• potency: 6500 mg/kg LD₅₀, oral (Rat); >7950 mg/kg LD₅₀, skin (Rabbit)
• impurities: ≤0.005% Insoluble matter
• pH: 7.6-8.2 (20 °C, 100 g/L in H₂O)
• solubility: 690 g/L
• density: 1.619 g/cm³ at 20 °C
• bulk density: 800‑1000 kg/m³
• anion traces: chloride (Cl^-): ≤0.0005%; nitrate (NO₃^-): ≤0.001%; sulfate (SO₄^2-): ≤0.004%
• cation traces: Ca: ≤0.001%; Fe: ≤0.001%; K: ≤0.001%; Mg: ≤0.0005%; Na: ≤0.001%; heavy metals (as Pb): ≤0.0005%
• storage temp.: 2-30°C
• InChI: 1S/2H3N.H3O4P/c;;1-5(2,3)4/h2*1H3;(H3,1,2,3,4)
• InChI key: MNNHAPBLZZVQHP-UHFFFAOYSA-N

Description

Application

• Phase evolution and sintering kinetics of hydroxyapatite synthesized by solution combustion technique.: This study discusses the phase evolution and sintering behavior of hydroxyapatite, a critical material in bioceramics, emphasizing the chemical processes involved during synthesis by solution combustion, which might include the usage of di-Ammonium hydrogen phosphate as a precursor (Pratihar et al., 2006).



• An investigation of the chemical synthesis and high-temperature sintering behaviour of calcium hydroxyapatite (HA) and tricalcium phosphate (TCP) bioceramics.: This article investigates the synthesis routes for bioceramics like hydroxyapatite and tricalcium phosphate, potentially utilizing di-Ammonium hydrogen phosphate in their production processes, focusing on their behavior under high temperatures (Taş et al., 1997).

Linkage

Replaces: AX1355-1; AX1355

Analysis Note

Assay (acidimetric): ≥ 99.0 %
Insoluble matter: ≤ 0.005 %
pH-value (5 %; water; 25 °C): 7.8 - 8.1
pH-value (20 %; water): about 8
Chloride (Cl): ≤ 0.0005 %
Nitrate (NO₃): ≤ 0.001 %
Sulfate: ≤ 0.004 %
Heavy metals (as Pb): ≤ 0.0005 %
Ca (Calcium): ≤ 0.001 %
Fe (Iron): ≤ 0.001 %
K (Potassium): ≤ 0.001 %
Mg (Magnesium): ≤ 0.0005 %
Na (Sodium): ≤ 0.001 %
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