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215554

Sigma-Aldrich

Copper(I) iodide

99.999% trace metals basis

Synonym(s):

Cuprous iodide

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About This Item

Empirical Formula (Hill Notation):
CuI
CAS Number:
Molecular Weight:
190.45
EC Number:
MDL number:
UNSPSC Code:
12352302
eCl@ss:
38150105
PubChem Substance ID:
NACRES:
NA.23

vapor pressure

10 mmHg ( 656 °C)

Quality Level

Assay

99.999% trace metals basis

form

powder and chunks

impurities

≤15.0 ppm Trace Metal Analysis

bp

1290 °C/1 atm (decomp)(lit.)

mp

605 °C (lit.)

solubility

dilute aqueous acid: insoluble(lit.)

density

5.62 g/mL at 25 °C (lit.)

application(s)

battery manufacturing

SMILES string

[Cu+].[I-]

InChI

1S/Cu.HI/h;1H/q+1;/p-1

InChI key

LSXDOTMGLUJQCM-UHFFFAOYSA-M

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Application

Copper(I) iodide can be used as a catalyst for:
  • For arylation of pyrazole and derivatives by coupling arenediazonium species under mild and ligand-free conditions.
  • Selective cross-coupling of dibromo alkenes and heteronucleophiles which leads to numerous building blocks such as 1-bromoenamides, ynamides, ketene N, N-acetals, 1-bromoenol ethers, ynol ethers, ketene O, O-acetals, and vinyl phosphonates.
  • Stereospecific and the regioselective reaction of silacyclopropanes with carbonyl compounds.
It can also be used as a starting material in the preparation of diphenylphosphinepyridine-derivatives (PyrPHOS)-copper iodide complexes which are suitable for use in OLEDs.

Features and Benefits

  • Low toxicity
  • Mild reaction condition
  • High purity ensures reproducibility and avoids cocatalysis by contaminants.

Signal Word

Danger

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1 - Skin Irrit. 2 - Skin Sens. 1A - STOT RE 1 Oral

Target Organs

Thyroid

Storage Class Code

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

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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Synlett, 1836-1836 (2007)
Synlett, 1917-1917 (2007)
Shuyan Gao et al.
Journal of hazardous materials, 211-212, 55-61 (2012-02-07)
An environment friendly bioinspired strategy for synthesizing hierarchically micro/nano-structured CuI tetrahedron has been developed by combining the stabilization and the reduction performances of l-tryptophan together. A possible growth mechanism of such hierarchical tetrahedron is tentatively proposed. Remarkably, such CuI tetrahedron
Yingguang Zhu et al.
Organic letters, 15(8), 1942-1945 (2013-04-03)
A mild and highly efficient Cu(I)-catalyzed oxidative coupling of anilines is described. Various primary and secondary anilines can be efficiently coupled under mild conditions to the corresponding azo compounds and hydrazines in high yields. This method provides a direct and
Taehwan Jun et al.
Advanced materials (Deerfield Beach, Fla.), 30(43), e1804547-e1804547 (2018-09-15)
Halide perovskites, including CsPbX3 (X = Cl, Br, I), have gained much attention in the field of optoelectronics. However, the toxicity of Pb and the low photoluminescence quantum yield (PLQY) of these perovskites hamper their use. In this work, new

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