| CAS No.: | 144-62-7 |
|---|---|
| Formula: | H2c2o4 |
| EINECS: | 205-634-3 |
|
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CAS No.: 6153-56-6 or 144-62-7
EINECS No.: 205-634-3
Molecular Formula: C2H2O4·2H2O
Molecular Weight: 90.03
RIDADR: UN 3261 8/PG 3
Oxalic Acid, also known as Ethanedioic acid, exists widely in plant derived food. At room temperature, Oxalic Acid is colorless transparent crystal, usually contains two molecules of crystallization water, when heated to 100.1 oC, it loses crystal water, and becomes Oxalic Acid (without water). It has hygroscopic property, easily soluble in water and ethanol, slightly soluble in ether, but insoluble in benzene and chloroform.
| Items | Premium grade | First grade | Qualified grade |
| Purity % ≥ | 99.6 | 99.4 | 99.0 |
| Suiphate group % ≤ | 0.08 | 0.10 | 0.20 |
| Ignition (850oC) % ≤ | 0.08 | 0.10 | 0.20 |
| Heavy metal % ≤ | 0.001 | 0.002 | 0.02 |
| Iron content % ≤ | 0.0012 | 0.002 | 0.01 |
| Chlorides % ≤ | 0.003 | 0.004 | 0.01 |
| Calcium % ≤ | 0.0012 | -- | -- |
Oxalic Acid, has many application in industry:
(1) can be used as precipitating and resolving agent for rare earth metal, etc. in metallurgy industry;
(2) can be used for 2133 rein, ures form aldehyde powder etc. in organic synthesis;
(3) can be used for polishing of marble stone, removing rust bleaching products of leather, wood and aluminium etc. in light industry;
(4) can be used as reducing agent, bleaching agent for textile in printing and dyeing Industry;
(5) can be used as tetracydine, oxytetracycline, HCl, Bornel etc. In pharmaceutical industry;
(6) can be used as laboratory agent, solvents activator and basic materialsfor chemical industry.
25kg, 50kg, or 1000kg net in plastic woven bags lined with plastic bags.
Storage for two year in shady room and dry place.
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