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Sigma-Aldrich

Copper(II) sulfate pentahydrate

ACS reagent, ≥98.0%

Synonyme(s) :

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

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About This Item

Formule linéaire :
CuSO4 · 5H2O
Numéro CAS:
7758-99-8
Poids moléculaire :
249.69
Numéro CE :
231-847-6
Numéro MDL:
MFCD00149681
Code UNSPSC :
12352300
ID de substance PubChem :
329752057
Nomenclature NACRES :
NA.21

Qualité

ACS reagent

Niveau de qualité

200

Pression de vapeur

7.3 mmHg ( 25 °C)

Pureté

≥98.0%
98.0-102.0% (ACS specification)

Forme

crystals

Capacité de réaction

reaction type: click chemistry

Pertinence de la réaction

reagent type: catalyst
core: copper

pH

3.5-4.5 (20 °C, 50 g/L)

Pf

110 °C (dec.) (lit.)

Traces d'anions

chloride (Cl-): ≤0.001%

Traces de cations

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

Chaîne SMILES 

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

Clé InChI

JZCCFEFSEZPSOG-UHFFFAOYSA-L

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Catégories apparentées

Description générale

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.

Application

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.

Caractéristiques et avantages

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

Pictogrammes

CorrosionExclamation markEnvironment
GHS05,GHS07,GHS09

Mention d'avertissement

Danger

Mentions de danger

H302 - H318 - H410

Classification des risques

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

Code de la classe de stockage

13 - Non Combustible Solids

Classe de danger pour l'eau (WGK)

WGK 3

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Certificats d'analyse (COA)

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Consulter la Bibliothèque de documents

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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