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Name Oxalic acid dihydrate
Synonyms Ethanedionic acid
Appearance: White Crystalline Powder
Purity: 99.6% Min.
Molecular Formula C2H2O4.2(H2O)
Molecular Weight 126.06
CAS Registry Number 6153-56-6
Melting point 98-102 ºC (dec)
Sublimation 157 ºC
Water solubility 138 g/L (20 ºC)
Property of Oxalic Acid Dihydrate
Oxalic Acid Dihydrate is is white crystal. Its melting point is 101-102 °C and sublimes at 157 °C. Oxalic Acid is solubled in water,alcohol and ethyl ether.
Oxalic Acid Dihydrate is used for the decontamination of plant fiber fabric, rust cleaning and degreasing.
Specification of Oxalic Acid Dihydrate :
| Purity | 99.6%min. |
| Sulphate | 0.05%max. |
| Heavy metals (Pb+) | 0.001%max. |
| Ferrous (Fe3+) | 0.001%max. |
| Chloride (Cl-) | 0.001%max. |
| Ignition residue(850 oC) | 0.06%max. |
Packing: In plastic woven bag with inner PE bag 25kgs net. White Bag or Grey bag
Capacity: 25MT/20FCL without pallet
Storage: Oxalic acid should be stored in a cool, dry, well-ventilated area in tightly sealed containers.
Usage of Oxalic Acid Dihydrate:
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;
4. Rust-remover for metal treatment;
5. Grinding agent, such as marble polishing;
6. Waste water treatment, removing calcium from water.
Certificate of Oxalic Acid Dihydrate:
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