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)
• UNSPSC Code: 12352107
• EC Index Number: 214-202-3
• NACRES: NA.21
• MDL number: MFCD00149694
• Assay: 99.5-101.0% (manganometric)
• Grade: ACS reagent
• Form: solid
• Solubility: 41.8 g/L (anhydrous substance)

Properties

• grade: ACS reagent
• Quality Segment: 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: ≤0.0005% ((ACS))
• storage temp.: 2-30°C
• SMILES string: N.N.OC(=O)C(=O)O.O
• 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

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 (ACS) ≤ 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

Other Notes

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

Legal Information

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

Safety Information

• pictograms: GHS07
• signalword: Warning
• pcodes: P264 - P280 - P301 + P312 - P305 + P351 + P338 - P337 + P313 - P501
• Hazard Classifications: Acute Tox. 4 Oral - Eye Irrit. 2
• wgk: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• hcodes: H302,H319
• Storage Class: 11 - Combustible Solids