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C7631

Sigma-Aldrich

Copper(II) sulfate pentahydrate

ReagentPlus®, ≥98.0%

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Synonym(s):
Cupric sulfate pentahydrate, Sulfuric acid, copper(II) salt (1:1) pentahydrate
Linear Formula:
CuSO4 · 5H2O
CAS Number:
Molecular Weight:
249.69
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.21

vapor pressure

7.3 mmHg ( 25 °C)

Quality Level

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

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1 of 4

This Item
3129320919861245
vibrant-m

C7631

Copper(II) sulfate pentahydrate

-
vibrant-m

31293

Copper(II) sulfate pentahydrate

Essential Grade
vibrant-m

209198

Copper(II) sulfate pentahydrate

-
vibrant-m

61245

Copper(II) sulfate pentahydrate

-
assay

≥98.0%

assay

99-102%

assay

≥98.0%, 98.0-102.0% (ACS specification)

assay

≥99.0% (RT)

Quality Level

100

Quality Level

200

Quality Level

200

Quality Level

200

vapor pressure

7.3 mmHg ( 25 °C)

vapor pressure

7.3 mmHg ( 25 °C)

vapor pressure

7.3 mmHg ( 25 °C)

vapor pressure

7.3 mmHg ( 25 °C)

mp

110 °C (dec.) (lit.)

mp

110 °C (dec.) (lit.)

mp

110 °C (dec.) (lit.)

mp

110 °C (dec.) (lit.)

pH

3.7-4.5 (25 °C, 50 g/L)

pH

3.7-4.5 (20 °C, 5%)

pH

3.5-4.5 (20 °C, 50 g/L)

pH

3.5-4.5 (25 °C, 50 mg/mL in H2O)

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.

Legal Information

ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany

signalword

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


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