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459097

Sigma-Aldrich

Copper(II) chloride dihydrate

99.999%

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.23

vapor density

>1 (vs air)

Assay

99.999%

form

solid

impurities

≤15.0 ppm Trace Metal Analysis

mp

100 °C (dec.) (lit.)

application(s)

battery manufacturing

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 chloride dehydrate refluxed in acetonitrile can chemoselectively hydrolyze semicarbazones to carbonyl compounds. Copper chloride dehydrate may be used as a catalyst for efficiently cleaving t-butyldimethylsilyl (TBDMS).

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

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Deprotection of t-butyldimethylsiloxy (TBDMS) protecting group with catalytic copper (II) chloride dihydrate.
Ping Z, et al.
Chinese Chemical Letters = Zhongguo Hua Xue Kuai Bao, 11(19), 753-756 (2000)
Regeneration of carbonyl compounds from semicarbazones by copper (II) chloride dihydrate.
Ram RN and Varsha K.
Tetrahedron Letters, 32(41), 5829-5832 (1991)
Sebastian Müller et al.
PloS one, 13(11), e0206764-e0206764 (2018-11-07)
The clinically approved drug metformin has been shown to selectively kill persister cancer cells through mechanisms that are not fully understood. To provide further mechanistic insights, we developed a drug surrogate that phenocopies metformin and can be labeled in situ
Kenji Funaki et al.
Organic letters, 14(24), 6186-6189 (2012-12-12)
Direct arylation of thiophenes and benzothiophenes with aryltrimethylsilanes was effectively catalyzed by PdCl(2)(MeCN)(2) in the presence of CuCl(2) as an oxidant. The reaction preferentially occurred at the β-position of both thiophenes and benzothiophenes.
Mónica João Barros Amorim et al.
Environmental pollution (Barking, Essex : 1987), 164, 164-168 (2012-03-01)
Environmental effects of copper nanoparticles are little studied in terrestrial ecosystems. In the present article, the toxicity of copper nanoparticles (Cu-NP) on the enchytraeid Enchytraeus albidus is compared to the toxicity of a copper-salt (CuCl(2)). The effect parameters studied were

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