Oxalic acid is the chemical compound with the formula that can be written in a number of equivalent ways, C2O4H2, C2O2(OH)2, and as HOOCCOOH. This colourless solid is a dicarboxylic acid. In terms of acid strength, it is about 3,000 times stronger than acetic acid. Its conjugate base, known as oxalate, is a reducing agent as well as a chelating agent for metal cations. Typically oxalic acid occurs as the dihydrate with the formula C2O4H2·2H2O.

 

II. Usages:

1. Oxalic acid's main applications include cleaning or bleaching.

2. Most oxalic acid is used as a cleaning agent, especially for the removal of rust or removal of iron from minerals specimens.

3.Many household chemical products contain oxalic acid, especially rustproofing treatments.

4.Bar Keepers Friend is an example of a cleaner that is used in households and commercially that has oxalic acid as its active ingredient.

5.About 25% of produced oxalic acid is used as a mordant in dyeing processes.

6.It is used in bleaches, especially for pulpwood.

 

III. Specification: