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229628

Sigma-Aldrich

Copper(I) chloride

≥99.995% trace metals basis

Synonym(s):

Copper monochloride, Cuprous chloride

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About This Item

Linear Formula:
CuCl
CAS Number:
Molecular Weight:
99.00
EC Number:
MDL number:
UNSPSC Code:
12352302
PubChem Substance ID:
NACRES:
NA.23
form:
powder
solubility:
slightly soluble 0.47 g/L at 20 °C

vapor pressure

1.3 mmHg ( 546 °C)

Quality Level

Assay

≥99.995% trace metals basis

form

powder

reaction suitability

core: copper
reagent type: catalyst

technique(s)

mass spectrometry (MS): suitable

impurities

≤50.0 ppm Trace Rare Earth Analysis

bp

1490 °C (lit.)

mp

430 °C (lit.)

solubility

slightly soluble 0.47 g/L at 20 °C

SMILES string

Cl[Cu]

InChI

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

InChI key

OXBLHERUFWYNTN-UHFFFAOYSA-M

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General description

The structure of copper(I) chloride is similar to zinc-blende crystal at room temperature; the structure is wurtzite at 407 °C and at higher temperatures it forms copper(I) chloride vapor as per mass spectroscopy.

Application

CuCl may be used as an initiator for hydrostannation of α,α-unsaturated ketones and other similar radical reactions.
Shows unique character as an initiator of radical reactions such as the hydrostannation of α,β-unsaturated ketones.
Shows unique character as an initiator of radical reactions such as the hydrostannation of α,β-unsaturated ketones.

Signal Word

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 Code

8A - Combustible corrosive hazardous materials

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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