1.06557

di-Sodium oxalate

for analysis EMSURE^®

• Synonym(s): di-Sodium oxalate, Oxalic acid sodium salt
• Empirical Formula (Hill Notation): C₂Na₂O₄
• CAS Number: 62-76-0
• Molecular Weight: 134.00
• MDL number: MFCD00012465
• UNSPSC Code: 12352107
• EC Index Number: 200-550-3
• NACRES: NA.21

Properties

• Quality Level: 300
• 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 (SO₄^2-): ≤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

Description

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

Safety Information

• pictograms: GHS07
• signalword: Warning
• hcodes: H302 + H312
• pcodes: P264 - P280 - P301 + P312 - P302 + P352 + P312 - P362 + P364 - P501
• 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