di-Ammonium hydrogen citrate
About This Item
Empirical Formula (Hill Notation):
C6H14N2O7
CAS Number:
3012-65-5
Molecular Weight:
226.18
Analysis Note
Assay (alkalimetric): 99.0 - 102.0 %
Insoluble matter: ≤ 0.005 %
pH-value (0.1 mol/L): 3.3 - 5.3
Chloride (Cl): ≤ 0.0005 %
Oxalate (C₂O₄): passes test (Limit about 0.05 %)
Phosphate (PO₄): ≤ 0.0005 %
Total sulfur (as SO₄): ≤ 0.005 %
Heavy metals (ACS): ≤ 0.0005 %
Fe (Iron): ≤ 0.0005 %
Residue on ignition (as sulfate): ≤ 0.01 %
Corresponds to ACS,Reag. Ph Eur
Grade: ACS reagent
Quality Segment: 300
Agency: reag. Ph. Eur.
Product line: EMSURE®
Assay: 99.0-102.0% (alkalimetric)
Form: solid
Impurities: ≤0.005% Insoluble matter
Ignition residue: ≤0.01% (as sulfate)
pH: 3.3-5.3 (23 g/L in H2O)
Density: 1.48 g/cm³ at 20 °C
Bulk density: 400-600 kg/m³
Anion traces: chloride (Cl-): ≤0.0005%, oxalate (C2O42-): passes test (limit about 0.05%), phosphate (PO43-): ≤0.0005%, sulfur compounds (as SO42-): ≤0.005%
Cation traces: Fe: ≤0.0005%, (heavy metals (ACS) ≤ 0.0005%)
Storage temperature: 2-30 °C
