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Cerium(III) Oxalate

Cerium(III) Oxalate (Cerous Oxalate) is the inorganic cerium salt of oxalic acid, which is highly insoluble in water and converts to the oxide when heated (calcined). It is a white crystalline solid with the chemical formula of Ce2(C2O4)3. It could be obtained by the reaction of oxalic acid with cerium(III) chloride.

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Cerium Oxalate Properties

CAS No. 139-42-4 / 1570-47-7 unspecified hydrate
Other names Cerium Oxalate, Cerous Oxalate, Cerium(III) Oxalate 
Chemical formula C6Ce2O12
Molar mass 544.286 g·mol−1
Appearance White crystals
Melting point Decomposes
Solubility in water Slightly soluble


High Purity Cerium oxalate Specification

Particle Size 9.85 μm
Purity(CeO2/TREO) 99.8%
TREO(Total Rare Earth Oxides) 52.2%
RE Impurities Contents ppm Non-REEs Impurities ppm
La2O3 Nd Na <50
Pr6O11 Nd CL¯ <50
Nd2O3 Nd SO₄²⁻ <200
Sm2O3 Nd H2O(moisture) <86000
Eu2O3 Nd
Gd2O3 Nd
Tb4O7 Nd
Dy2O3 Nd
Ho2O3 Nd
Er2O3 Nd
Tm2O3 Nd
Yb2O3 Nd
Lu2O3 Nd
Y2O3 Nd
【Packaging】25KG/bag Requirements:moisture proof,dust-free,dry,ventilate and clean.


What is Cerium(III) Oxalate used for?

Cerium(III) Oxalate is used as an antiemetic. It is also considered to be the most efficient glass polishing agent for precision optical polishing. The numerous commercial applications for cerium include metallurgy, glass and glass polishing, ceramics, catalysts, and in phosphors. In steel manufacturing it is used to remove free oxygen and sulfur by forming stable oxysulfides and by tying up undesirable trace elements, such as lead and antimony. 


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