Oxalate

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An oxalate (called also: ethanedioate) is a salt or ester of oxalic acid. The oxalate ion, (COO)₂²⁻, is "oxalic acid" minus two hydrogen ions.

Consumption of oxalates (for example, the grazing of animals on oxalate-containing plants such as greasewood) may result in kidney disease or even death due to oxalate poisoning.

Much of its other properties resemble oxalic acid.

[edit] Examples

sodium oxalate - Na₂C₂O₄
calcium oxalate - CaC₂O₄<ref>Medical article on Calcium Oxalate formation as Kidney Stones: http://www.ncbi.nlm.nih.gov/books/bv.fcgi?rid=hstat6.section.53835</ref>
dimethyl oxalate - (CH₃)₂C₂O₄
phenyl oxalate ester - (C₆H₅)₂C₂O₄

Another way to write the chemical formula of the oxalate anion is C₂O₄²⁻

See category for a list.

[edit] References

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Antithrombotics (thrombolytics, anticoagulants, and antiplatelet drugs) (B01) edit
Vitamin K antagonists:	Acenocoumarol, Clorindione, Dicumarol (Dicoumarol}, Diphenadione, Ethyl biscoumacetate, Phenprocoumon, Phenindione, Tioclomarol, Warfarin
Heparin group (Platelet aggregation inhibitors):	Antithrombin III, Bemiparin, Dalteparin, Danaparoid, Enoxaparin, Heparin, Nadroparin, Parnaparin, Reviparin, Sulodexide, Tinzaparin
Other Platelet aggregation inhibitors:	Abciximab, Acetylsalicylic acid (Aspirin), Aloxiprin, Beraprost, Ditazole, Carbasalate calcium, Cloricromen, Clopidogrel, Dipyridamole, Epoprostenol, Eptifibatide, Indobufen, Iloprost, Picotamide, Prasugrel, Ticlopidine, Tirofiban, Treprostinil, Triflusal
Enzymes:	Alteplase, Ancrod, Anistreplase, Brinase, Drotrecogin alfa, Fibrinolysin, Protein C, Reteplase, Saruplase, Streptokinase, Tenecteplase, Urokinase
Direct thrombin inhibitors:	Argatroban, Bivalirudin, Dabigatran, Desirudin, Hirudin, Lepirudin, Melagatran, Ximelagatran
Other antithrombotics:	Dabigatran, Defibrotide, Dermatan sulfate, Fondaparinux, Rivaroxaban
Non-medicinal:	Citrate, EDTA, Oxalate