Oxalic acid

 

Formula: HOOCCOOH, C2H2O4 

Appearance: colorless micro-crystals,water-soluble, slight nitric oxide stink. Dimethyl oxalate hydrates decomposition at 30 degrees Celsius above. If heated quickly, it melts at 101.5 degrees Celsius, anhydrous oxalic acid melts at 180 degrees Celsius.

 

 

 

Usage: pharmaceutical industry, especially in the purification of antibiotic, such as, chloromycetin, etc; strain Rare earth elements of the mineral processing oxide precipitation agent, Textile bleach, The wood pulp bleaching, Metal studied, Marble polishing abrasive, Wastewater treatment, from the water to remove calcium.