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Key Documents

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

form:
solid
solubility:
37 g/L

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

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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

Signal Word

Warning

Hazard Statements

Hazard Classifications

Acute Tox. 4 Dermal - Acute Tox. 4 Oral

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

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