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Merck

03140

Sigma-Aldrich

Copper(I) iodide

purum, ≥99.5%

Sinónimos:

Cuprous iodide

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About This Item

Fórmula empírica (notación de Hill):
CuI
Número de CAS:
Peso molecular:
190.45
EC Number:
MDL number:
UNSPSC Code:
12161600
eCl@ss:
38150105
PubChem Substance ID:
NACRES:
NA.22

vapor pressure

10 mmHg ( 656 °C)

Quality Level

grade

purum

assay

≥99.5%

reaction suitability

core: copper
reagent type: catalyst

mp

605 °C (lit.)

density

5.62 g/mL at 25 °C (lit.)

anion traces

sulfate (SO42-): ≤5000 mg/kg

cation traces

Fe: ≤50 mg/kg

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, in combination with cesium fluoride, can be used to promote Stille coupling reaction. It can also mediate the reaction between arenethiolate ions and different
nonactivated aryl iodides in hexamethylphosphoric triamide to form aryl sulfides.
Copper(I) iodide can be used to catalyze:
  • Thioetherification of aryl halides using thiourea and alkyl bromides in wet polyethylene glycol and in the presence of potassium carbonate as a base.
  • Reaction between acetylenes and metal halides in diethylamine to form transition metal alkynyl complexes.
  • Reaction between terminal alkynes with phenylchalcogenyl halides to form alkynyl selenides, sulfides and tellurides.

signalword

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

6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves


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Facile substitution reaction between nonactivated aryl iodides and arenethiolates in the presence of copper (I) iodide.
Suzuki H, et al.
Chemistry Letters (Jpn), 9(11), 1363-1364 (1980)
Significant enhancement of the Stille reaction with a new combination of reagents?copper (I) iodide with cesium fluoride.
Mee SP, et al.
Chemistry?A European Journal , 11(11), 3294-3308 (2005)
One?Pot Thioetherification of Aryl Halides Using Thiourea and Alkyl Bromides Catalyzed by Copper (I) Iodide Free from Foul?Smelling Thiols in Wet Polyethylene Glycol (PEG 200).
Firouzabadi H, et al.
Advanced Synthesis & Catalysis, 352(1), 119-124 (2010)
Min Jiang et al.
Organic letters, 14(6), 1420-1423 (2012-03-08)
A domino synthesis of 5,12-dihydroindolo[2,1-b]quinazoline derivatives via copper-catalyzed Ullmann-type intermolecular C-C and intramolecular C-N couplings is reported. Good yields of various 5,12-dihydroindolo[2,1-b]quinazoline derivatives were obtained. Reaction scopes, limitations, and the reaction mechanism are discussed.
Mingwen Zhu et al.
The Journal of organic chemistry, 77(20), 9102-9109 (2012-09-26)
A simple and convenient CuI/2-pyridonate catalytic system for the oxidative amidation of aldehydes with secondary amines has been developed. With this system, a variety of useful arylamides have been synthesized in moderate to good yields in the presence of small

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