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Merck

1.06557

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
UNSPSC Code:
12352107
EC Index Number:
200-550-3
NACRES:
NA.21
MDL number:
Assay:
≥99.8% (manganometric)
Form:
solid
Solubility:
37 g/L
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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

SMILES string

[Na+].[Na+].[O-]C(=O)C(=O)[O-]

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

Analysis Note

Assay (manganometric): ≥ 99.8 %


pH-value (3 %, water): 6.5-8.5%


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


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Hazard Classifications

Acute Tox. 4 Dermal - Acute Tox. 4 Oral

Storage Class

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable



Certificates of Analysis (COA)

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