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209198

Sigma-Aldrich

Copper(II) sulfate pentahydrate

ACS reagent, ≥98.0%

Sinonimo/i:

Cupric sulfate pentahydrate, Sulfuric acid, copper(II) salt (1:1) pentahydrate

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About This Item

Formula condensata:
CuSO4 · 5H2O
Numero CAS:
7758-99-8
Peso molecolare:
249.69
Numero CE:
231-847-6
Numero MDL:
MFCD00149681
Codice UNSPSC:
12352300
ID PubChem:
329752057
NACRES:
NA.21

Grado

ACS reagent

Livello qualitativo

200

Tensione di vapore

7.3 mmHg ( 25 °C)

Saggio

≥98.0%
98.0-102.0% (ACS specification)

Forma fisica

crystals

Impiego in reazioni chimiche

reaction type: click chemistry
reagent type: catalyst
core: copper

pH

3.5-4.5 (20 °C, 50 g/L)

Punto di fusione

110 °C (dec.) (lit.)

Anioni in tracce

chloride (Cl-): ≤0.001%

Cationi in tracce

Ca: ≤0.005%
Fe: ≤0.003%
K: ≤0.01%
Na: ≤0.02%
Ni: ≤0.005%

Stringa SMILE

O.O.O.O.O.[Cu++].[O-]S([O-])(=O)=O

InChI

1S/Cu.H2O4S.5H2O/c;1-5(2,3)4;;;;;/h;(H2,1,2,3,4);5*1H2/q+2;;;;;;/p-2
JZCCFEFSEZPSOG-UHFFFAOYSA-L

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Categorie correlate

Descrizione generale

Copper(II) sulfate pentahydrate is a Lewis acid catalyst commonly used to promote acid-catalyzed organic transformations. It can also act as an effective redox catalyst in combination with other mixed oxidizing agents.

Applicazioni

Copper(II) sulfate pentahydrate can be used as a catalyst:      
  • In acetylation of alcohols and phenols in the presence of acetic anhydride.      
  • To synthesize various ynamides via intramolecular coupling of amides with alkynyl bromides.

It can also be used as a template in the synthesis of copper(II) ion-imprinted polymers using vinylpyridine and methacrylic acid as functional monomers. This polymer is used to quantify Cu2+ ion by using flame atomic absorption spectroscopy.

Caratteristiche e vantaggi

CuSO4.5H2O is an inexpensive, safe catalyst to be used in various organic transformations. It can also be recovered and reused in another reaction.

Avvertenze

Danger

Indicazioni di pericolo

H302 - H318 - H410

Classi di pericolo

Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1

Codice della classe di stoccaggio

13 - Non Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Certificati d'analisi (COA)

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Wei Zhao et al.
Dalton transactions (Cambridge, England : 2003), (8)(8), 1509-1517 (2005-04-13)
Three novel metal-organic frameworks (MOFs), [Cu(1)SO4].H2O (4), [Cu2(2)2(SO4)2].4H2O (5) and [Cu(3)(H2O)]SO4.5.5H2O (6), were obtained by hydrothermal reactions of CuSO4.5H2O with the corresponding ligands, which have different flexibility. The structures of the synthesized complexes were determined by single-crystal X-ray diffraction analyses.
Damijana Urankar et al.
Journal of combinatorial chemistry, 10(6), 981-985 (2008-10-17)
Azoamides, previously established as bioactive intracellular GSH-depleting agents, were decorated with a terminal alkyne moiety to 4 and then were transformed, by copper(I)-catalyzed azide-alkyne cycloaddition (CuAAC), into different ligand-arm functionalized azoamides 6. Azides 5 having ligand-arms amenable for binding to
Xuan Ming et al.
Cell research, 30(11), 980-996 (2020-06-26)
Mitotic inheritance of the DNA methylome is a challenging task for the maintenance of cell identity. Whether DNA methylation pattern in different genomic contexts can all be faithfully maintained is an open question. A replication-coupled DNA methylation maintenance model was
Preparation of Cu2ZnSnS4 thin films by sulfurization of co-electroplated Cu-Zn-Sn precursors.
Araki H, et al.
Physica Status Solidi, 6(5), 1266-1268 (2009)
Copper (II) sulfate pentahydrate (CuSO4. 5H2O): a green catalyst for solventless acetylation of alcohols and phenols with acetic anhydride.
Heravi MM, et al.
Journal of the Brazilian Chemical Society, 17(5), 1045-1047 (2006)
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