Jiangsu Kolod Food Ingredients Co.,Ltd.


Oxalic Acid

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Product Details

1、Chemical Name: Oxalic Acid

2、Molecular Formula : H2C2O4·2H2O

3、Molecular Weight: 126.07


5、Character: It occurs as colorless transparent monoclinic system crystal. Usually, it contains two hydrates. Melting point is 101-102 ℃. Relative density (19 ℃) is 1.65. 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 anhydrous Oxalic Acid 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.

质量指标SpecificationGB/T 1626-2008
草酸(H2C2O4·2H2O), w/%   ≥Assay(H2C2O4·2H2O), w/%  ≥96.0
硫酸根(以SO4计), w/%       ≤Sulfates (SO4) , w/%         ≤0.40
灼烧残渣, w/%              ≤Ignition Residue, w/%        ≤0.15
重金属(以Pb计), w/%      ≤Heavy Metals (As Pb) , w/%    ≤0.0005
铁(以Fe计), w/%           ≤Iron (As Fe) , w/%            ≤0.005
氯化物(以Cl计), w/%       ≤Chlorides (As Cl) , w/%        ≤0.01
钙(以Ca计), w/%            ≤Calcium (As Ca) , w/%        ≤0.0010


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