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Key Documents

221783

Sigma-Aldrich

Copper(II) chloride dihydrate

reagent grade

Synonym(s):

Cupric chloride dihydrate

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About This Item

Linear Formula:
CuCl2 · 2H2O
CAS Number:
Molecular Weight:
170.48
EC Number:
MDL number:
UNSPSC Code:
12352302
PubChem Substance ID:
NACRES:
NA.55
grade:
reagent grade
form:
crystals

grade

reagent grade

Quality Level

vapor density

>1 (vs air)

form

crystals

concentration

35.0-38.0% Cu (EDTA titration)

pH

3-3.8

mp

100 °C (dec.) (lit.)

SMILES string

Cl[Cu]Cl.[H]O[H].[H]O[H]

InChI

1S/2ClH.Cu.2H2O/h2*1H;;2*1H2/q;;+2;;/p-2

InChI key

MPTQRFCYZCXJFQ-UHFFFAOYSA-L

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Application

Copper(II) chloride dihydrate may be used in the following processes:
  • As a recoverable promoter for the conversion of oximes to carbonyl compounds under mild reaction conditions.
  • To catalyze Biginelli condensation of aldehyde, β-ketoester and urea or thiourea to form dihydropyrimidinones under solvent-free and microwave irradiations.
  • Along with stannous chloride for the allylation of aldehydes.

Signal Word

Danger

Hazard Classifications

Acute Tox. 4 Dermal - Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 2 - Eye Dam. 1 - Skin Irrit. 2

Storage Class Code

8A - Combustible corrosive hazardous materials

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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