1.01192
di-Ammonium oxalate monohydrate
for analysis EMSURE® ACS,ISO,Reag. Ph Eur
Synonym(s):
di-Ammonium oxalate monohydrate, Oxalic acid ammonium salt
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About This Item
grade
ACS reagent
Quality Segment
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 (SO42-): ≤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
Analysis Note
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
Legal Information
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Warning
Hazard Classifications
Acute Tox. 4 Oral - Eye Irrit. 2
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
hcodes
Storage Class
11 - Combustible Solids
Regulatory Listings
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Deleterious substance
pdsc
Substances Subject to be Indicated Names
ishl_indicated
Substances Subject to be Notified Names
ishl_notified
Certificates of Analysis (COA)
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