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


45-71800-100G	100 g	$71.40 1/EA	Add To Favorites
45-71800-500G	500 g	$237.00 1/EA	Add To Favorites

Properties
Descriptions
Safety Info.
Basic Data

anion traces	chloride (Cl^-): ≤20 mg/kg
	sulfate (SO₄^2-): ≤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.

Symbol	GHS07
Signal word	Warning
Hazard statements	H302 + H312
Precautionary statements	P264 - P270 - P280 - P301 + P312 - P302 + P352 + P312 - P362 + P364
Hazard Codes	Xn
Risk Statements	21/22
Safety Statements	24/25
RIDADR	NONH for all modes of transport
WGK Germany	WGK 1
Flash Point(F)	Not applicable
Flash Point(C)	Not applicable

Purity	≥99.5% (RT)
UNSPSC	12352300

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