1.01154
di-Ammonium hydrogen citrate
for analysis EMSURE® ACS,Reag. Ph Eur
Sinónimos:
di-Ammonium hydrogen citrate, Ammonium citrate dibasic, Diammonium hydrogen citrate
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grade
ACS reagent
Quality Segment
agency
reag. Ph. Eur.
product line
EMSURE®
assay
99.0-102.0% (alkalimetric)
form
solid
impurities
≤0.005% Insoluble matter
ign. 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 temp.
2-30°C
SMILES string
[NH4]OC(=O)C(O)(CC(=O)O[NH4])CC(=O)O
InChI
1S/C6H8O7.2H3N/c7-3(8)1-6(13,5(11)12)2-4(9)10;;/h13H,1-2H2,(H,7,8)(H,9,10)(H,11,12);2*1H3
InChI key
YXVFQADLFFNVDS-UHFFFAOYSA-N
Application
- An EPR and optical absorption study of VO2+ ions in di-ammonium hydrogen citrate [(NH4)2C6H6O7] single crystals.: This research examines the electronic paramagnetic resonance and optical properties of VO2+ ions in di-ammonium hydrogen citrate, which could influence analytical techniques in chemistry and materials science (Karabulut and Tufan, 2008).
Analysis Note
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
Other Notes
Legal Information
signalword
Warning
hcodes
Hazard Classifications
Eye Irrit. 2 - Skin Irrit. 2
Clase de almacenamiento
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
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