Product Main

Specifications

Appearance: White crystal & powder; Free flowing.
Synonyms: Ethanedioic acid, dihydrate; Oxalic acid dihydrate
CAS No.: 144-62-7 (Anhydrous); 6153-56-6 (Dihydrate)
Molecular Weight: 126.07
Chemical Formula: HOOCCOOH. 2H2O / (COOH)2.2H2O
   
*************Uses******************************
1.  Metallurgy industry: As precipitating and separating function for Rare-earth metal.
2. In pharmaceutical industry: Used in Tetracycline, Oxytetracycline, Phenobarbital, and Borneol, etc.
3. In light industry: Polishing for Marble, rust-remover, bleaching, dirt-remover leather-processing, wood, and aluminium products etc.
4. In Dyeing and printing industry: As reducing agent for dyeing and printing industry, as bleaching agent for textile, substitute for Acetic acid, as coloring mordant for fast pigment dyestuff.
5. In organic synthetic: Used in 2133 resin, urea-formaldehyde molding powder, Butadiene catalyst, etc.
6. In electron industry: Preparation of chemicals raw material for porcelain capacitor, preparation of electron equipment detergent.
7. In other aspects: As analysis reagent, raw material of chemicals.
Package: 25kg, 50kg bags or according to customers demand.
******************Packing*************************
* In 25 kgs net Polywoven Bag, inner with PE bag;
* In 25 kgs net Single Ply Polyethylene Bag, inner with PE bag;
* In 25 kgs net Kraft Paper Compounded bag, inner with PE bag; In 300, 500, 1000 kgs jumbo bag are available.

***************Technical Specification Data Sheet********

Item
Normal Grade
Low Ash Grade
Product Code
CV1
CV2
CV3
CV4
Purity as H2C2O4·2H2O  min  
                                99.6%
Sulphate as SO4             max
0.08%
0.08%
0.07%
0.07%
Chloride as Cl                max
0.001%
0.001%
0.001%
0.001%
Ignition 850' C                max
0.05%
0.04%
0.03%
0.02%
Heavy Metal as Pb        max
10 ppm
10 ppm
5 ppm
10 ppm
Iron as Fe                      max
15 ppm
10 ppm
5 ppm
5 ppm
Ca                                   max
 
10 ppm
5 ppm
10 ppm
Na                                   max
 
100 ppm
80 ppm
50 ppm
Mg                                   max
 
 
 
 
Cu                                      max
 
 
 
 
Zn                                       max
 
 
 
 
As                                       max
 
 
 
0.5 ppm