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1.06557

Supelco

di-Sodium oxalate

for analysis EMSURE®

Synonym(s):

di-Sodium oxalate, Oxalic acid sodium salt

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About This Item

Empirical Formula (Hill Notation):
C2Na2O4
CAS Number:
Molecular Weight:
134.00
MDL number:
UNSPSC Code:
12352107
EC Index Number:
200-550-3
NACRES:
NA.21

Quality Level

product line

EMSURE®

assay

≥99.8% (manganometric)

form

solid

potency

375 mg/kg LD50, oral (Rat)

loss

≤0.05% loss on drying, 105°C

pH

8 (20 °C, 30 g/L in H2O)

mp

250-270 °C (decomposition)

solubility

37 g/L

density

2.27 g/cm3 at 20 °C

bulk density

600 kg/m3

anion traces

chloride (Cl-): ≤0.002%
sulfate (SO42-): ≤0.002%

cation traces

Fe: ≤0.0005%
K: ≤0.005%
N: ≤0.001%
heavy metals (as Pb): ≤0.001%

storage temp.

2-30°C

InChI

1S/C2H2O4.2Na/c3-1(4)2(5)6;;/h(H,3,4)(H,5,6);;/q;2*+1/p-2

InChI key

ZNCPFRVNHGOPAG-UHFFFAOYSA-L

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Analysis Note

Assay (manganometric): ≥ 99.8 %
pH-value (3 %, water): 7.5 - 8.5
Chloride (Cl): ≤ 0.002 %
Sulfate (SO₄): ≤ 0.002 %
Total nitrogen (N): ≤ 0.001 %
Heavy metals (as Pb): ≤ 0.001 %
Fe (Iron): ≤ 0.0005 %
K (Potassium): ≤ 0.005 %
Loss on Drying (105°C): ≤ 0.05 %

Legal Information

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

pictograms

Exclamation mark

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Warning

Hazard Classifications

Acute Tox. 4 Dermal - Acute Tox. 4 Oral

Storage Class

11 - Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable


Certificates of Analysis (COA)

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