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Copper(I) chloride

≥99.995% trace metals basis

Copper monochloride, Cuprous chloride
Linear Formula:
CAS Number:
Molecular Weight:
EC Number:
MDL number:
PubChem Substance ID:

Quality Level

vapor pressure

1.3 mmHg ( 546 °C)


≥99.995% trace metals basis



reaction suitability

reagent type: catalyst
core: copper


mass spectrometry (MS): suitable


≤50.0 ppm Trace Rare Earth Analysis


1490 °C (lit.)


430 °C (lit.)


slightly soluble 0.47 g/L at 20 °C


battery manufacturing

SMILES string




InChI key


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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.


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.


10, 100 g in poly bottle

Signal Word


Hazard Statements

Hazard Classifications

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

Storage Class Code

8B - Non-combustible, corrosive hazardous materials



Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Origin

Enter Lot Number to search for Certificate of Origin (COO).

Madelung O
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