English name Oxalic acid
Chinese alias adipic acid; Xiu acid; oxalic acid, the standard solution 0.05N; equivalent of oxalic acid solution
CAS RN 144-62-7
EINECS No. 205-634-3
Molecular formula C₂H₂O₄

Molecular Weight 90.03
Physicochemical properties of colorless, transparent crystalline traits.
Melting point 101-102 ℃
Relative density 1.653
Solubility soluble in ethanol, insoluble in water, slightly soluble in ether, insoluble in benzene and chloroform.

Mainly used as a reducing agent and the use of bleaching agent, mordant dyeing and printing industries, is also used in refining precious metals, synthesis of a variety of oxalate, oxalate and Oxamide, etc.
 
Upstream raw materials starch, gulonic acid, sodium, coke, acid, sodium hydroxide, caustic soda, carbonate of lead, nitric acid, ethylene glycol, corn starch
Downstream products cobalt oxide, scandium oxide, rare earth oxides, glyoxylic acid, dimethyl oxalate, diethyl oxalate, dibutyl oxalate, ethylene chloride, 1,4 - hydroquinone, sodium oxalate , potassium oxalate, potassium hydrogen oxalate, nickel oxalate, grass perchlorate, ammonium oxalate High Speed Rail