Oxalic Acid
Basic information:
CAS NO.144-62-7;6153-56-6(dihydrate)
UN NO.3261 8/PG3
Chemical formula:H2C2O4
Molecular weight:227.21
Character:Colorless monoclinic or prism crystal or white powder,oxidation oxalic Acid olorless, synthetic oxalic acid odorless
Density:(d18.54)1.653
Melting point:101～102℃
Boiling point:50℃(sublimation)
Solubleness(mg/ml):soluble in ethanol. Soluble in water.Slightly soluble in Ether. Insoluble in benzene and chloroform.
Techical Index(mass fraction/%)
|
Oxalic acid(Calculated as H2C2O4.2H2O)%≥ |
99.6 |
99.0 |
96.0 |
99.6 |
99.0 |
96.0 |
|
Sulfate radical (calculated as SO4)%≤ |
0.07 |
0.10 |
0.20 |
0.10 |
0.20 |
0.40 |
|
Ignition Residue %≤ |
0.01 |
0.08 |
0.20 |
0.03 |
0.08 |
0.15 |
|
Heavy Metal(Calculated as Pb)%≤ |
0.0005 |
0.001 |
0.02 |
0.00005 |
0.0002 |
0.0005 |
|
Iron(Calculated as Fe)%≤ |
0.0005 |
0.0015 |
0.01 |
0.0005 |
0.0010 |
0.005 |
|
Chloride(Calculated as Cl) %≤ |
0.0005 |
0.002 |
0.01 |
0.002 |
0.004 |
0.01 |
|
Calcium(Calculated as Ca) %≤ |
0.0005 |
- |
- |
0.0005 |
0.0010 |
- |
Uses:
Complexing agent, masking agent, precipitating agent, reducing agent.It is used for the determination of beryllium, calcium, chromium, gold, manganese, strontium, thorium and other metal ions.Pharmaceutical industry used in the manufacture of aureomycin, oxytetracycline, streptomycin, borneol, vitamin B12, phenobarbital and other drugs.Printing and dyeing industry used as color AIDS, bleaching agents, medical intermediates.The plastics industry is used to produce PVC, amino plastics, urea - formaldehyde plastics.
Package/Capacity of container/Storage
Packing:in 25kg plastic woven bags.
Store in a cool, dry,well-ventilated place and keep sealed.