Cupric oxalate

Basic Information

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CAS Number

5893-66-3

Molecular Formula

C2H2CuO5

Molecular Weight

169.58 g/mol

Basic Physical Properties

Melting Point

310°C

Boiling Point

365.1 °C at 760 mmHg

Density

1.28

Flash Point

365.1 °C at 760 mmHg

Solubility

Soluble in NH{4}OH

Refractive Index

1.659

SMILES

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O=C1O[Cu]OC1=O.O

InChI

InChI=1S/C2H2O4.Cu.H2O/c3-1(4)2(5)6;;/h(H,3,4)(H,5,6);;1H2/q;+2;/p-2

InChIKey

OCDUIJZBRQQGHA-UHFFFAOYSA-L

LogP

-1.8258

Topological Polar Surface Area

84.1 Å²

Hydrogen Bond Donor/Acceptor

2 / 5

Complexity

75.7

Safety Information

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Hazard Class

Class 6.1 Class 6.1

Synonyms & References

English

Cupric Oxalate
Copper(II)oxalate hemihydrate
1-[4-(methylsulfanyl)phenyl]-3-[4-(piperidin-1-yl)-3-(pyrrolidin-1-ylcarbonyl)phenyl]urea
copper(2+) ethanedioate
copper-ethanedioic acid hydrate (1:1:1)
Copperoxalatehemihydratebluepowder
copper oxalate hemihydrate
Copper;oxalic acid;hydrate

MDL Number

MFCD00150451

FAQ

What are the physical and chemical properties of cupric oxalate (CAS: 5893-66-3)?

Cupric oxalate (CAS: 5893-66-3) is a white crystalline compound with a molecular weight of approximately 213.51 g/mol. It has a low solubility in water (0.035 g/L at 20°C) and exhibits limited reactivity under normal conditions. It is stable in air and light but may decompose upon heating above 180°C.

How is cupric oxalate (CAS: 5893-66-3) typically synthesized?

Cupric oxalate can be synthesized by dissolving copper(II) sulfate in oxalic acid. The reaction is exothermic and typically carried out in a water bath to control temperature. The product is usually filtered, washed, and dried to obtain the desired crystalline form.

What industries use cupric oxalate (CAS: 5893-66-3)?

Cupric oxalate finds applications in various industries, including the production of copper-based pigments, electroplating baths, and as a component in analytical reagents. It is also used in the synthesis of other copper compounds and in some pharmaceuticals.

What precautions should be taken when handling cupric oxalate (CAS: 5893-66-3)?

When handling cupric oxalate, it is important to wear protective gloves, safety goggles, and a lab coat to prevent skin and eye contact. It should be stored in a cool, dry place away from direct sunlight. In case of spillage, neutralize with a suitable base and dispose of according to local regulations. Always refer to the Safety Data Sheet (SDS) for detailed handling and storage instructions.