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Sodium oxalate

SIGALD/71800 - puriss. p.a., ACS reagent, ≥99.5% (RT)

Synonym: Ethanedioic acid sodium salt; Oxalic acid disodium salt

CAS Number: 62-76-0
Empirical Formula (Hill Notation): C2Na2O4
Molecular Weight: 134.00
EC Number: 200-550-3
MDL Number: MFCD00012465
Linear Formula: NaOOCCOONa
Product Type: Chemical

Catalog Number PKG Qty. Price Quantity
45-71800-100G 100 g
$71.40
1/EA
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45-71800-500G 500 g
$237.00
1/EA
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anion traces chloride (Cl-): ≤20 mg/kg
  sulfate (SO42-): ≤20 mg/kg
assay ≥99.5% (RT)
cation traces Ca: ≤100 mg/kg
  Cd: ≤10 mg/kg
  Co: ≤5 mg/kg
  Cr: ≤5 mg/kg
  Cu: ≤5 mg/kg
  Fe: ≤10 mg/kg
  K: ≤50 mg/kg
  Mg: ≤10 mg/kg
  Mn: ≤50 mg/kg
  Ni: ≤5 mg/kg
  Pb: ≤5 mg/kg
  Zn: ≤5 mg/kg
form powder or crystals
grade ACS reagent
  puriss. p.a.
impurities ≤0.002% ammonium (NH4)
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
loss ≤0.01% loss on drying, 105 °C
pH 7-8.5 (25 °C, 2.5% in H2O)
Quality Level 200 
SMILES string [Na+].[Na+].[O-]C(=O)C([O-])=O
Application: Sodium oxalate can be used as a stabilizer in the determination of L-ascorbic acid in vitamin C products by the ultraviolet spectrophotometric method. It is also used in the synthesis of copper oxalate nanoparticles by electrolysis of copper plate as anode.
General description: Sodium oxalate is a sodium salt of oxalic acid consisting of sodium and oxalate ions. It is used as a reducing agent in chemical synthesis. Additionally, it also acts as a surface modifier and a desulfurizing agent.
Purity ≥99.5% (RT)
UNSPSC 12352300

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