General description
Copper(II) sulfate is an inorganic Lewis acid commonly used to promote acid?catalyzed organic reactions. It is used as a reagent for the synthesis of copper carbenoids. It can also act as an effective redox catalyst in combination with other mixed oxidizing systems.

Linear Formula: CuSO4 · 5H2O
CAS Number: 7758-99-8
Molecular Weight: 249.69
NACRES: NA.21
PubChem Substance ID: 329775147
UNSPSC Code: 12352302
EC Number: 231-847-6
MDL number: MFCD00149681
Assay: ≥98.0%
Form: powder or crystals
vapor pressure = 7.3 mmHg ( 25 °C)
Quality Segment = 100
product line = ReagentPlus®
assay = ≥98.0%
form = powder or crystals
pH = 3.7-4.5 (25 °C, 50 g/L)
mp = 110 °C (dec.) (lit.)
cation traces = Fe: ≤0.01%
SMILES string = 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
InChI key = JZCCFEFSEZPSOG-UHFFFAOYSA-L

Application

• Determination of main fruits in adulterated nectars by ATR-FTIR spectroscopy combined with multivariate calibration and variable selection methods.: This study highlights the application of ATR-FTIR spectroscopy, a technique involving Copper(II) sulfate pentahydrate, in identifying fruit content in adulterated nectars, illustrating its relevance in food chemistry and quality control (de Souza SVC et al., 2018).
• Measurement of electron paramagnetic resonance using terahertz time-domain spectroscopy.: This research demonstrates the use of terahertz time-domain spectroscopy, involving Copper(II) sulfate pentahydrate, to measure electron paramagnetic resonance, contributing to advancements in spectroscopic methodologies (Hangyo M et al., 2011).
• Effects of Curcuma xanthorrhiza Extracts and Their Constituents on Phase II Drug-metabolizing Enzymes Activity.: Though indirectly related, this article explores the role of natural extracts on enzyme activity, providing a context where Copper(II) sulfate pentahydrate could be used as a comparative standard in bioanalytical settings (Ab Halim MR et al., 2016).