CAS 62-76-0 Sodium oxalate - Materials / Alfa Chemistry

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Sodium oxalate

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Catalog Number

ACM62760

CAS Number

62-76-0

Product Name

Sodium oxalate

Structure

Category

Electrolytes

Synonyms

Ethanedioicacid,disodiumsalt

Description

Sodium oxalate is an odorless white solid. Sinks and mixes slowly with water. (USCG, 1999)

IUPAC Name

Disodium;oxalate

Molecular Weight

134

Molecular Formula

Na2C2O4;C2Na2O4

Canonical SMILES

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

InChI

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

Melting Point

250-270 °C

Purity

99%+

Density

2.34 g/mL at 25 °C (lit.)

Solubility

Soluble in water

Appearance

White powder

Application

Sodium oxalate serves as a key component in various industrial and laboratory applications. Primarily known for its role in standardizing potassium permanganate solutions, sodium oxalate, or disodium oxalate, is a white, crystalline, and odorless powder with the chemical formula Na2C2O4. When used in titrations, it is essential that the reaction mixture's temperature exceeds 60 °C to facilitate complete and rapid interaction of permanganate, with the overall reaction involving sodium oxalate, permanganate, and sulfuric acid resulting in potassium sulfate, manganese sulfate, carbon dioxide, and water. This compound also finds utility in the finishing of textiles and leather due to its chemical properties. As an organic sodium salt, sodium oxalate is soluble in water but remains insoluble in alcohol, and it can act as a reducing agent, offering utility in various reaction processes.

Storage

Store at +5 °C to +30 °C

Complexity

60.5

Covalently-Bonded Unit Count

EC Number

200-550-3;239-292-1

Exact Mass

133.95919704

Formal Charge

Heavy Atom Count

MeSH Entry Terms

Acid, Oxalic;Aluminum Oxalate;Ammonium Oxalate;Chromium (2+) Oxalate;Chromium (3+) Oxalate (3:2);Chromium Oxalate;Diammonium Oxalate;Dilithium Oxalate;Dipotassium Oxalate;Disodium Oxalate;Ferric Oxalate;Iron (2+) Oxalate (1:1);Iron (3+) Oxalate;Iron Oxalate;Magnesium Oxalate;Magnesium Oxalate (1:1);Manganese (2+) Oxalate (1:1);Monoammonium Oxalate;Monohydrogen Monopotassium Oxalate;Monopotassium Oxalate;Monosodium Oxalate;Oxalate, Aluminum;Oxalate, Chromium;Oxalate, Diammonium;Oxalate, Dilithium;Oxalate, Dipotassium;Oxalate, Disodium;Oxalate, Ferric;Oxalate, Iron;Oxalate, Magnesium;Oxalate, Monoammonium;Oxalate, Monohydrogen Monopotassium;Oxalate, Monopotassium;Oxalate, Monosodium;Oxalate, Potassium;Oxalate, Potassium Chromium;Oxalate, Sodium;Oxalic Acid;Potassium Chromium Oxalate;Potassium Oxalate;Potassium Oxalate (2:1);Sodium Oxalate

Monoisotopic Mass

133.95919704

Odor

Odorless

Rotatable Bond Count

Topological Polar Surface Area

80.3 Å²

UNII

7U0V68LT9X

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