Skip to Content
Merck
All Photos(1)

Key Documents

1.01190

Supelco

di-Ammonium oxalate monohydrate

EMPLURA®

Synonym(s):

di-Ammonium oxalate monohydrate, Oxalic acid ammonium salt

Sign Into View Organizational & Contract Pricing


About This Item

Linear Formula:
(NH4)2C2O4 · H2O
CAS Number:
Molecular Weight:
124.10 (anhydrous basis)
MDL number:
UNSPSC Code:
12352107
EC Index Number:
214-202-3

vapor pressure

<1 hPa ( 20 °C)

Quality Level

product line

EMPLURA®

Assay

≥99.0% (manganometric)

form

solid

ign. residue

≤0.1% (as sulfate)

pH

6.5 (20 °C, 41.8 g/L in H2O)

mp

>123 °C (decomposition)

density

1.5 g/cm3 at 20 °C

bulk density

480 kg/m3

anion traces

chloride (Cl-): ≤0.01%
sulfate (SO42-): ≤0.02%

cation traces

Fe: ≤0.002%
heavy metals (as Pb): ≤0.005%

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

Related Categories

Analysis Note

Assay (manganometric): ≥ 99.0 %
Chloride (Cl): ≤ 0.01 %
Sulfate (SO₄): ≤ 0.02 %
Heavy metals (as Pb): ≤ 0.005 %
Fe (Iron): ≤ 0.002 %
Residue on ignition (as sulfate): ≤ 0.1 %

Legal Information

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

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Acute Tox. 4 Oral - Eye Irrit. 2

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service