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61245

Sigma-Aldrich

Copper(II) sulfate pentahydrate

purum p.a., crystallized, ≥99.0% (RT)

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
EC Number:
231-847-6
MDL number:
MFCD00149681
UNSPSC Code:
12352302
PubChem Substance ID:
329759406
NACRES:
NA.21

vapor pressure

7.3 mmHg ( 25 °C)

Quality Level

200

grade

purum p.a.

assay

≥99.0% (RT)

form

crystalline

quality

crystallized

pH

3.5-4.5 (25 °C, 50 mg/mL in H2O)

mp

110 °C (dec.) (lit.)

anion traces

chloride (Cl-): ≤100 mg/kg

cation traces

Ca: ≤50 mg/kg
Cd: ≤50 mg/kg
Co: ≤50 mg/kg
Fe: ≤100 mg/kg
K: ≤100 mg/kg
Na: ≤100 mg/kg
Ni: ≤100 mg/kg
Pb: ≤50 mg/kg
Zn: ≤500 mg/kg

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

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Application


  • Efficient Removal of Nickel from Wastewater Using Copper Sulfate-Ammonia Complex Modified Activated Carbon: Adsorption Performance and Mechanism.: This study explores the use of copper sulfate-ammonia complex modified activated carbon for the efficient removal of nickel from wastewater. The research highlights the adsorption performance and underlying mechanisms, demonstrating the potential of this method for wastewater treatment (Wang et al., 2024).

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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_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Faceshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
BCCL5177
BCCK1283
BCCH8248
BCCG7681
BCCF5702

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