Detailed Product Description

oxalic acid
Detailed introduction:
Synonyms : Ethanedioic acid
Molecular Formula: C2H2O4
Molecular weight: 90.04
Cas No: 144-62-7
HS Code: 2917111000

Items
Spec

TOTAL ACIDITY
99.6% min

ASH
0.1% max

IRON
0.02% max

LOSS ON IGNITION
0.08% max

SULFATE
0.1% max

CHLORIDE
20ppm max

HEAVY METAL
10ppm max

Properties:
Oxalic acid forms fine colourless crystals, readily soluble in water, with light nitrogen oxides-like odour. Oxalic acid dihydrate begins to dissociate at temperature over 30 C. If heated quickly, it melts at 101.5 C, anhydrous oxalic acid melts at 180 C.

Applications:
1.Purifying agent in pharmaceutical industry, special in antibiotic medication, such as Oxytetracycline, Chloramphenicol, etc;
2.Precipitating agent in Rare-earth mineral processing;
3.Bleaching agent in the textile activities, wood pulp bleaching;
*****-remover for Metal treatment;
***** agent, such as Marble polishing;
6.Waste water treatment, removing calcium form water