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Merck
CN

256528

Copper(I) chloride

ACS reagent, ≥90%

Synonym(s):

Copper monochloride, Cuprous chloride

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About This Item

Linear Formula:
CuCl
CAS Number:
Molecular Weight:
99.00
UNSPSC Code:
12352300
PubChem Substance ID:
EC Number:
231-842-9
MDL number:
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InChI key

OXBLHERUFWYNTN-UHFFFAOYSA-M

InChI

1S/ClH.Cu/h1H;/q;+1/p-1

SMILES string

Cl[Cu]

grade

ACS reagent

vapor pressure

1.3 mmHg ( 546 °C)

assay

≥90%, ≥90.0% CuCl basis (ACS specification)

form

crystalline powder, powder

reaction suitability

reagent type: catalyst
core: copper

impurities

≤0.02% insol. in acid

bp

1490 °C (lit.)

mp

430 °C (lit.)

solubility

dimethyl sulfide: partially soluble(lit.), water: insoluble(lit.)

anion traces

sulfate (SO42-): ≤0.1%

cation traces

Ca: ≤0.01%, Fe: ≤0.005%, K: ≤0.02%, Na: ≤0.05%

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Application

Copper(I) chloride may be used in the following processes:
  • Along with magnesium chloride, to catalyze the conjugate addition of organomagnesium reagents to α,β-ethylenic ketones to form 1,4-addition products.
  • To facilitate the addition of an amine to a nitrile to form an amidine, which on reduction forms tertiary amine.
  • To catalyze the reaction of olefinic hydrocarbons with phenyl selenocyanate to form β-alkoxyalkyl phenyl selenide.

Shows unique character as an initiator of radical reactions such as the hydrostannation of α,β-unsaturated ketones.

Other Notes

A -D suffix exists for administrative purposes only.
All -D packages are 100% the same product, same quality, same specification as the package sizes previously sold without a -D.

signalword

Danger

Hazard Classifications

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

Storage Class

8A - Combustible corrosive hazardous materials

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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Conversion of nitriles into tertiary amines: N,N-dimethylhomoveratrylamine
Rousselet G, et al
Organic Syntheses, 76, 133-133 (1996)
M. Alami et al.
Organic Syntheses, 72, 135-135 (1995)
Copper (I) Chloride.
Bertz SH, et al.
e-EROS Encyclopedia of Reagents for Organic Synthesis. (2007)
Facile oxyselenation of olefins in the presence of copper (II) or copper (I) chloride as catalyst.
Toshimitsu A, et al.
The Journal of Organic Chemistry, 45(10), 1953-1958 (1980)
Experimental study of copper (I) chloride complexing in hydrothermal solutions at 40 to 300 ?C and saturated water vapor pressure.
Xiao Z, et al.
Geochimica et Cosmochimica Acta, 62(17), 2949-2964 (1998)

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