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Ethanedioic acid DI-CARBOXYLIC ACID DICARBOXYLIC ACID C2
1、Chemical Name: Oxalic Acid
2、Molecular Formula : H2C2O4·2H2O
3、Molecular Weight: 126.07
4、CAS: 6153-56-6
5、Character: It occurs as colorless transparent monoclinic system crystal. Usually, it is dihydrated. It’s melting point is 101-102 ℃. The relative density (19 ℃) is 1.65. The refractive index is 1.440. It’s soluble in water, slightly soluble in ether and ethanol. It sublimates at the temperature of 157℃. Dihydrate form effloresces easily and turns to anhydrous form. Melting point of Oxalic Acid anhydrous is 189.5 ℃ (decomposing).
6、Usage: It’s used as reducing agent and bleaching agent.
7、Packing: It is packed with polyethylene bag as inner layer, and a compound plastic woven bag as outer layer. The net weight of each bag is 25kg.
8、Storage and Transport: It should be stored in a dry and ventilative warehouse, kept away from heat and moisture during transportation, unloaded with care so as to avoid damage. Furthermore, it must be stored separately from poisonous substances.
Specification |
GB/T 1626-2008 |
Content(H2C2O4·2H2O),w/% ≥ |
96.0 |
Sulfates (As SO4) , w/% ≤ |
0.4 |
Ignition Residue,w/% ≤ |
0.15 |
Heavy Metal(As Pb) ,w/% ≤ |
0.0005 |
Iron (Fe),w/% ≤ |
0.005 |
Chlorides (As Cl) , w/% ≤ |
0.01 |
Calcium (Ca) ,w/% ≤ |
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Service we can provide:
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2. Quality control: Before shipment, we can provide free sample for test. Inspection before shipping.
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