草酸钠

Description

Sodium oxalate · CAS 62-76-0 · Na2C2O4. UNII 7U0V68LT9X. Density: 2.34 @25 °C.

Identification

CAS Registry Number	62-76-0
PubChem CID	6125
Molecular formula	Na2C2O4
IUPAC name	disodium;oxalate
UNII (FDA)	7U0V68LT9X

Computed Descriptors

Molecular Weight	134.00
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	4
Rotatable Bond Count	0
Exact Mass	133.95919704
Monoisotopic Mass	133.95919704
Topological Polar Surface Area	80.3
Heavy Atom Count	8
Formal Charge	0
Complexity	60.5

Physical & Chemical Properties

Density	2.34 @25 °C

Physical description & handling notes

• Sodium oxalate is an odorless white solid. Sinks and mixes slowly with water. (USCG, 1999)
• Liquid; Other Solid
• White odorless solid; [Merck Index] Hygroscopic solid; [Sigma-Aldrich MSDS]
• 2.27 at 68 °F (USCG, 1999) - Denser than water; will sink

GHS Hazard Classification

Reported hazard statements	H302 (98.4%), H312 (100%), H319, H315, H318, H335, H373

Documented Uses

• Used for finishing textiles, tanning and finishing leather, standardizing potassium permanganate solutions, and in titrimetry; [Merck Index]
• Leather Tanning and Processing [Category: Industry]
• Textiles (Printing, Dyeing, or Finishing) [Category: Industry]
• All Other Chemical Product and Preparation Manufacturing
• Ethanedioic acid, sodium salt (1:2): ACTIVE
• Materials that add an electron to an element or compound, that is, decrease the positiveness of its valence. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 5th ed)

Synonyms

Sodium oxalate; 62-76-0; Disodium oxalate; Natriumoxalat; Oxalic acid disodium salt; Ethanedioic acid, disodium salt; Oxalic acid, disodium salt; Stavelan sodny; 7U0V68LT9X; Ethanedioic acid sodium salt (1:2); DTXSID1037018; CHEBI:132764; NSC-77458; RefChem:6242; DTXCID9017018; 200-550-3

Frequently Asked Questions

What are the CAS number and molecular formula of Sodium oxalate?

CAS 62-76-0; molecular formula Na2C2O4; molecular weight — g/mol.

What other names is Sodium oxalate known by?

Sodium oxalate, 62-76-0, Disodium oxalate, Natriumoxalat, Oxalic acid disodium salt, Ethanedioic acid, disodium salt.

Is Sodium oxalate classified as hazardous?

Hazard statements reported: H302, H312, H319, H315, H318.

What are the key physical properties of Sodium oxalate?

Density: 2.34 @25 °C.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.