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Merck
CN

61240

Copper(II) sulfate pentahydrate

puriss. p.a., ACS reagent, 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:
Molecular Weight:
249.69
EC Number:
231-847-6
UNSPSC Code:
12352300
MDL number:
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vapor pressure

7.3 mmHg ( 25 °C)

grade

ACS reagent, puriss. p.a.

assay

≥99.0% (RT)

quality

crystallized

impurities

≤0.001% total nitrogen (N)

pH

3.7-4.5 (25 °C, 50 mg/mL in H2O)

mp

110 °C (dec.) (lit.)

anion traces

chloride (Cl-): ≤10 mg/kg

cation traces

As: ≤0.5 mg/kg, Ca: ≤10 mg/kg, Cd: ≤5 mg/kg, Co: ≤5 mg/kg, Cr: ≤5 mg/kg, Fe: ≤10 mg/kg, K: ≤10 mg/kg, Mg: ≤5 mg/kg, Mn: ≤5 mg/kg, Na: ≤20 mg/kg, Ni: ≤5 mg/kg, Pb: ≤10 mg/kg, Zn: ≤5 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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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

ppe

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

Regulatory Information

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Copper (II) Sulfate.
Hoffman RV, et al.
e-EROS Encyclopedia of Reagents for Organic Synthesis. (2007)
Copper (II) sulfate pentahydrate (CuSO4. 5H2O): a green catalyst for solventless acetylation of alcohols and phenols with acetic anhydride.
Heravi MM, et al.
Journal of the Brazilian Chemical Society, 17(5), 1045-1047 (2006)
Preparation of Cu2ZnSnS4 thin films by sulfurization of co-electroplated Cu-Zn-Sn precursors.
Araki H, et al.
Physica Status Solidi, 6(5), 1266-1268 (2009)



Global Trade Item Number

SKUGTIN
470147-5G04061832100234