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61245

Sigma-Aldrich

Copper(II) sulfate pentahydrate

purum p.a., crystallized, ≥99.0% (RT)

Synonym(s):
Blue Vitriol, 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

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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Signal Word

Danger

Hazard Statements

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

Certificate of Analysis

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Certificate of Origin

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