potassium formate,sodium acetate, ammonium acetate

Jiangsu Kolod Food Ingredients Co.,Ltd.

Oxalic Acid

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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 Specification GB/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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