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Sigma-Aldrich

Copper(II) sulfate pentahydrate

99.999% trace metals basis

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:
24852152
NACRES:
NA.23

vapor pressure

7.3 mmHg ( 25 °C)

Quality Level

100

Assay

99.999% trace metals basis

form

crystals and lumps

impurities

≤15.0 ppm Trace Metal Analysis

mp

110 °C (dec.) (lit.)

application(s)

battery manufacturing

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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General description

It used largely as is or as a precursor in the production of numerous other compounds. The pentahydrate is soluble in alkaline solutions. Upon heating to 100oC in dry air, the pentahydrate converts to trihydrate.

Application

  • Chemical Synthesis: Synthesis and characterization of a new copper(II) chelate complex, exploring the crystal and molecular structure of aqua-(diethylenetriamine-N,N′,N′′)-copper(II) sulfate monohydrate (Lavrenyuk et al., 2015).
  • Material Science: Use of copper(II) sulfate pentahydrate in the dissolution of malachite ore and precipitation of copper sulfate pentahydrate crystals, highlighting a method for copper recovery (Kokes et al., 2014).
  • High-Pressure Studies: Application of high-pressure techniques to study the structural changes in copper sulfate pentahydrate, using a miniature diamond-anvil cell (Novelli et al., 2022).

Signal Word

Danger

Hazard Statements

H302,H318,H410

Hazard Classifications

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

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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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