467847

Sigma-Aldrich

Copper(II) chloride dihydrate

≥99.95% trace metals basis

Synonym(s):
Cupric chloride dihydrate
Linear Formula:
CuCl2 · 2H2O
CAS Number:
Molecular Weight:
170.48
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.22

Quality Level

vapor density

>1 (vs air)

assay

≥99.95% trace metals basis

reaction suitability

core: copper
reagent type: catalyst

impurities

≤0.01% insolubles
≤500 ppm total metallic impurities

mp

100 °C (dec.) (lit.)

anion traces

nitrate (NO3-): ≤0.015%
sulfate (SO42-): ≤0.005%

cation traces

Ca: ≤0.005%
Fe: ≤0.005%
K: ≤0.01%
Na: ≤0.02%
Ni: ≤0.01%

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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Packaging

50 g in poly bottle

Application

Chlorinating agent; oxidizing agent; Lewis acid; catalyst for conjugate additions and acylation.

Signal Word

Danger

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves

RIDADR

UN 2802 8 / PGIII

WGK Germany

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis

Certificate of Origin

A convenient synthesis of alpha,beta-acetylenic ketones.
P Li et al.
The Journal of organic chemistry, 66(11), 4087-4090 (2001-05-26)
Laura Engel et al.
Sensors (Basel, Switzerland), 19(5) (2019-03-13)
A fast and sensitive method to monitor hydrogen sulfide (H₂S) in ambient air based on a visible color change of a printed disposable sensor has been developed. As gas-sensitive material, an immobilized copper(II) complex of the azo dye 1-(2-pyridylazo)-2-naphtol (H-PAN)...
Wenfeng Jiang et al.
Science (New York, N.Y.), 368(6491), 642-648 (2020-04-11)
The structural complexity of composite biomaterials and biomineralized particles arises from the hierarchical ordering of inorganic building blocks over multiple scales. Although empirical observations of complex nanoassemblies are abundant, the physicochemical mechanisms leading to their geometrical complexity are still puzzling...
Iron(II)-catalyzed trifluoromethylation of potassium vinyltrifluoroborates.
Andrew T Parsons et al.
Angewandte Chemie (International ed. in English), 51(12), 2947-2950 (2012-02-14)
Bin Wu et al.
Carbohydrate research, 351, 68-73 (2012-03-01)
Two new glucoside esters 1 and 2 were produced as stress metabolites in the fresh leaves of Portulaca oleracea, in response to abiotic stress elicitation by CuCl(2). A new sugar ester (3) and two known compounds (4 and 5) were...

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