1.01192

di-Ammonium oxalate monohydrate

for analysis EMSURE^® ACS,ISO,Reag. Ph Eur

• Synonym(s): di-Ammonium oxalate monohydrate, Oxalic acid ammonium salt
• Linear Formula: (NH₄)₂C₂O₄ · H₂O
• CAS Number: 6009-70-7
• Molecular Weight: 124.10 (anhydrous basis)
• MDL number: MFCD00149694
• UNSPSC Code: 12352107
• EC Index Number: 214-202-3
• NACRES: NA.21

Properties

• grade: ACS reagent
• Quality Level: 300
• agency: reag. ISO; reag. Ph. Eur.
• vapor pressure: <1 hPa ( 20 °C)
• product line: EMSURE^®
• assay: 99.5-101.0% (manganometric)
• form: solid
• impurities: ≤0.005% Insoluble matter
• ign. residue: ≤0.02% (as sulfate)
• pH: 6.5 (20 °C, 41.8 g/L in H₂O)
• mp: >123 °C (decomposition)
• solubility: 41.8 g/L (anhydrous substance)
• density: 1.5 g/cm³ at 20 °C
• bulk density: 480 kg/m³
• anion traces: chloride (Cl^-): ≤0.0005%; nitrate (NO₃^-): ≤0.002%; sulfate (SO₄^2-): ≤0.002%
• cation traces: Ca: ≤0.001%; Fe: ≤0.0002%; K: ≤0.001%; Mg: ≤0.001%; Na: ≤0.001%; heavy metals (as Pb): ≤0.0005%
• storage temp.: 2-30°C
• InChI: 1S/C2H2O4.2H3N.H2O/c3-1(4)2(5)6;;;/h(H,3,4)(H,5,6);2*1H3;1H2
• InChI key: MSMNVXKYCPHLLN-UHFFFAOYSA-N

Description

Linkage

Replaces: AX1325; AX1325-2; AX1325-20; AX1325-1

Analysis Note

Assay (manganometric): 99.5 - 101.0 %
Insoluble matter: ≤ 0.005 %
Chloride (Cl): ≤ 0.0005 %
Nitrate (NO₃): ≤ 0.002 %
Sulfate (SO₄): ≤ 0.002 %
Heavy metals (as Pb): ≤ 0.0005 %
Ca (Calcium): ≤ 0.001 %
Fe (Iron): ≤ 0.0002 %
K (Potassium): ≤ 0.001 %
Mg (Magnesium): ≤ 0.001 %
Na (Sodium): ≤ 0.001 %
Residue on ignition (as sulfate): ≤ 0.02 %
Corresponds to ACS,ISO,Reag. Ph Eur

Legal Information

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

Safety Information

• pictograms: GHS07
• signalword: Warning
• hcodes: H302 - H319
• pcodes: P264 - P280 - P301 + P312 - P305 + P351 + P338 - P337 + P313 - P501
• Hazard Classifications: Acute Tox. 4 Oral - Eye Irrit. 2
• Storage Class: 13 - Non Combustible Solids
• wgk_germany: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable