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Merck
CN

31293-M

Copper(II) sulfate pentahydrate

puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., 99-102%

Synonym(s):

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

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About This Item

Linear Formula:
CuSO4 · 5H2O
CAS Number:
7758-99-8
Molecular Weight:
249.69
NACRES:
NA.21
PubChem Substance ID:
329753743
UNSPSC Code:
12352302
EC Number:
231-847-6
MDL number:
MFCD00149681
Assay:
99-102%
Form:
crystalline

Key Documents

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Product Name

Copper(II) sulfate pentahydrate, puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., 99-102%

InChI key

JZCCFEFSEZPSOG-UHFFFAOYSA-L

InChI

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

SMILES string

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

grade

ACS reagent
puriss. p.a.

agency

USP/NF
reag. ISO
reag. Ph. Eur.

vapor pressure

7.3 mmHg ( 25 °C)

assay

99-102%

form

crystalline

impurities

≤0.005% in water insoluble matters
≤10 mg/kg total nitrogen (N)

pH

3.7-4.5 (20 °C, 5%)

mp

110 °C (dec.) (lit.)

anion traces

chloride (Cl-): ≤10 mg/kg

cation traces

As: ≤0.00005%
Ca: ≤0.001%
Cd: ≤0.001%
Co: ≤0.001%
Fe: ≤0.002%
K: ≤0.001%
Mg: ≤0.0005%
Na: ≤0.002%
Ni: ≤0.002%
Pb: ≤0.002%
Zn: ≤0.030%

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Application

Copper(II) sulfate pentahydrate may be employed in the following studies:
  • As a catalyst for the acetylation of alcohols and phenols under solvent-free conditions.
  • To compose the electrolyte for the electrodeposition of Cu-Zn-Sn precursors, required for the preparation of Cu2ZnSnS4 (CZTS) thin films.
  • As catalyst for the dehydration of alcohols.

General description

Copper(II) sulfate pentahydrate (CuSO4·5H2O, Blue vitriol) is a hydrated copper(II) salt. It undergoes hydrothermal reactions with the tripodal ligands to afford metal-organic frameworks (MOFs). CuSO4·5H2O along with metallic copper was employed as a catalyst for the synthesis of different ligand-arm functionalized azoamides. On heating above 560°C, it decomposes to CuO.

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Danger

Hazard Classifications

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

Storage Class

13 - Non Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
SDBB1274
SDBB6485
SDBB3023
STBL4844
STBK7763

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Copper (II) Sulfate.
Hoffman RV, et al.
e-EROS Encyclopedia of Reagents for Organic Synthesis. (2001)
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

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