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Sodium oxalate

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Identification
Molecular formula
Na2C2O4
CAS number
62-76-0
IUPAC name
disodium;oxalate
State
State

At room temperature, it exists as a solid.

Melting point (Celsius)
250.00
Melting point (Kelvin)
523.00
Boiling point (Celsius)
0.00
Boiling point (Kelvin)
0.00
General information
Molecular weight
134.00g/mol
Molar mass
134.0000g/mol
Density
2.3400g/cm3
Appearence

Disodium oxalate appears as a white, crystalline, odorless solid.

Comment on solubility

Solubility of Disodium Oxalate (Na2C2O4)

Disodium oxalate is known for its interesting solubility characteristics. Understanding its solubility is essential for many applications in both laboratory and industrial settings. Here are some key points regarding its solubility:

  • Solvent Characteristics: Disodium oxalate is readily soluble in water due to its ionic nature, which allows it to dissociate into Na+ and C2O42- ions.
  • Solubility in Polar Solvents: It has a high solubility in polar solvents like water, making it useful in various aqueous reactions.
  • Temperature Effect: The solubility of Na2C2O4 increases with temperature, a typical characteristic of many salts.
  • Limited Solubility in Non-Polar Solvents: It is practically insoluble in non-polar solvents like benzene or hexane, which highlights the importance of solvent choice in applications.

In conclusion, the solubility of disodium oxalate can be summarized as follows: successful applications require an awareness of its solubility in various solvents, where polar environments are favorable for dissolution. As a result, it's a compound commonly used in situations involving aqueous media.

Interesting facts

Interesting Facts about Disodium Oxalate

Disodium oxalate, known by its systematic name, is a fascinating compound with a range of applications and properties that intrigue both scientists and students alike. Here are some notable aspects:

  • Origin of the Name: The name "oxalate" is derived from "oxalic acid," which is the source compound from which oxalate ions originate. It is named after the Latin word "oxalis," meaning "sour," due to the sour taste associated with oxalic acid.
  • Biological Role: Oxalates, including disodium oxalate, can be found naturally in many plants. Interestingly, they play a role in plant metabolism but can be toxic in high concentrations. This dual nature makes them a topic of study in both botany and toxicology.
  • Industrial Uses: Disodium oxalate is used in various industries; it serves as:
    • A reducing agent in dyeing processes
    • A component in the preparation of metal oxalates, used for photocatalytic applications
    • An important reagent in analytical chemistry for titrations.
  • Safety Considerations: Although disodium oxalate is more benign compared to its acidic counterpart, it’s still important to handle it with care. Exposure can cause irritation, and ingestion in significant amounts could lead to health concerns due to its oxalic acid content.
  • Coordination Complexes: Disodium oxalate can form coordination complexes with certain metals, enhancing its significance in inorganic chemistry. These metal-oxalate complexes are studied for their unique properties and potential applications in catalysis.

In summary, disodium oxalate is more than just a chemical compound; it represents a connection between inorganic chemistry, biology, and industrial processes. Its intriguing behaviors and uses make it a significant subject of study for anyone interested in the vast world of chemistry.

Synonyms
Sodium oxalate
62-76-0
Disodium oxalate
Natriumoxalat
Ethanedioic acid, disodium salt
Oxalic acid disodium salt
Oxalic acid, disodium salt
disodium;oxalate
Sodiumoxalate
Stavelan sodny
disodium ethanedioate
EINECS 200-550-3
UNII-7U0V68LT9X
MFCD00012465
NSC 77458
7U0V68LT9X
Ethanedioic acid sodium salt (1:2)
CHEMBL182928
DTXSID1037018
Disodium oxalate;
CHEBI:132764
NSC-77458
15248-76-7
Natriumoxalat [German]
Stavelan sodny [Czech]
Oxalic acid sodium salt
Oxalate, Sodium
Oxalate, Disodium
Sodium oxalate, BioXtra
Sodium oxalate ACS grade
SODIUM OXALATE [MI]
SCHEMBL40019
DTXCID9017018
Sodium oxalate, LR, >=99.55%
Sodium oxalate, >=99% (titration)
AKOS024418755
Ethanedioic acid, sodium salt (1:2)
Sodium oxalate, ACS reagent, >=99.5%
NS00078981
Sodium oxalate, BioUltra, >=99.5% (RT)
Sodium oxalate, p.a., ACS reagent, 99.5%
Sodium oxalate, >=99.99% trace metals basis
Sodium oxalate, JIS special grade, >=99.5%
Sodium oxalate, Vetec(TM) reagent grade, 99%
Q420127
Sodium oxalate, puriss. p.a., ACS reagent, >=99.5% (RT)
200-550-3
Sodium oxalate, certified reference material for titrimetry, certified by BAM, according to ISO 17025, >=99.5%