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C1297

Sigma-Aldrich

Copper(II) sulfate

ReagentPlus®, ≥99%

Synonym(s):

Cupric sulfate

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About This Item

Linear Formula:
CuSO4
CAS Number:
7758-98-7
Molecular Weight:
159.61
EC Number:
231-847-6
MDL number:
MFCD00010981
UNSPSC Code:
12352302
PubChem Substance ID:
329774877
NACRES:
NA.21

vapor pressure

7.3 mmHg ( 25 °C)

product line

ReagentPlus®

Assay

≥99%

form

powder

reaction suitability

reaction type: click chemistry

pH

3.5-4.5 (20 °C, 50 g/L)

mp

200 °C (dec.) (lit.)

density

3.603 g/mL at 25 °C (lit.)

storage temp.

room temp

SMILES string

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

InChI

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

InChI key

ARUVKPQLZAKDPS-UHFFFAOYSA-L

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General description

Copper(II)sulfate is a Lewis acid catalyst commonly used to promote acid-catalyzed organic transformations.

Application

Copper(II)sulfate can be used as a catalyst for the:
  • Alcoholysis of wheat straw into methyl levulinate.
  • Selective oxidation of amines to imines in the presence of hydrogen peroxide as an oxidant.
  • Synthesis of 1,2,3-triazoles via Click reactions of azides and alkynes.
  • Microwave-assisted Huisgen-type cycloaddition to synthesize modified poly(N-vinylpyrrolidone).

Legal Information

ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany

Pictograms

Exclamation markEnvironment
GHS07,GHS09

Signal Word

Warning

Hazard Statements

H302,H315,H319,H410

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Irrit. 2 - Skin Irrit. 2

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Hongyan Yang et al.
Antibiotics (Basel, Switzerland), 9(11) (2020-11-01)
Antimicrobial resistance is currently an important concern, but there are few data on the co-presence of metal and antibiotic resistance in potentially pathogenic Escherichia coli entering the food chain from pork, which may threaten human health. We have examined the
Marlize Z Bekker et al.
Journal of agricultural and food chemistry, 66(51), 13483-13491 (2018-12-13)
Diorganopolysulfanes can be generated when hydrogen sulfide (H2S) and thiols are oxidized in the presence of Cu(II) under conditions usually aimed at removing H2S from wine. This work sought to understand if polysulfanes could act as latent sources of H2S
Wei Yu et al.
Nature communications, 11(1), 5239-5239 (2020-10-18)
The alternative non-homologous end-joining (NHEJ) pathway promotes DNA double-strand break (DSB) repair in cells deficient for NHEJ or homologous recombination, suggesting that it operates at all stages of the cell cycle. Here, we use an approach in which DNA breaks
William T Triplett et al.
Magnetic resonance in medicine, 72(1), 8-19 (2013-09-06)
The relationship between fat fractions (FFs) determined based on multiple TE, unipolar gradient echo images and (1) H magnetic resonance spectroscopy (MRS) was evaluated using different models for fat-water decomposition, signal-to-noise ratios, and excitation flip angles. A combination of single-voxel
Sofia Abassi et al.
Environmental toxicology, 34(9), 1013-1024 (2019-05-17)
The freshwater green algae Closterium ehrenbergii has been considered as a model for eco-toxicological assessment in aquatic systems. Heat shock proteins (HSPs) are a class of highly conserved proteins produced in all living organisms, which participate in environmental stress responses.
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