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205540

Sigma-Aldrich

Copper(I) iodide

98%

Synonym(s):

Cuprous iodide

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About This Item

Empirical Formula (Hill Notation):
CuI
CAS Number:
7681-65-4
Molecular Weight:
190.45
EC Number:
231-674-6
MDL number:
MFCD00010978
UNSPSC Code:
12352302
eCl@ss:
38150105
PubChem Substance ID:
329752013
NACRES:
NA.21

vapor pressure

10 mmHg ( 656 °C)

Assay

98%

form

powder

reaction suitability

reaction type: click chemistry
reagent type: catalyst
core: copper

mp

605 °C (lit.)

density

5.62 g/mL at 25 °C (lit.)

SMILES string

[Cu+].[I-]

InChI

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

InChI key

LSXDOTMGLUJQCM-UHFFFAOYSA-M

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Application

Optimal catalyst for stereospecific and regioselective reaction of silacyclopropanes with carbonyl compounds.

related product

Product No.
Description
Pricing

909424

Cu(OTs)2, ≥95%

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

Certificates of Analysis (COA)

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Alkynyl sulfides and selenides from alkynyl bromides and diorganoyl chalcogenides promoted by copper (I) iodide.
Braga AL, et al.
Tetrahedron Letters, 34(3), 393-394 (1993)
The high-temperature structural behaviour of copper (I) iodide.
Keen DA and Hull S.
Journal of Physics. Condensed Matter : An Institute of Physics Journal, 7(29), 5793-5793 (1995)
Simon P H Mee et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 11(11), 3294-3308 (2005-03-24)
The combination of copper(I) iodide and cesium fluoride significantly enhances the Stille reaction. After extensive optimisation, a variety of electronically unfavourable and sterically hindered substrates were coupled in very high yields under mild conditions.
Convenient preparation of alkynyl selenides, sulfides and tellurides from terminal alkynes and prenylchalcogenyl halides in the presence of copper (I) iodide.
Braga AL, et al.
Tetrahedron Letters, 34(50), 8041-8042 (1993)
Novel preparation of σ-alkynyl complexes of transition metals by copper (I) iodide-catalysed dehydrohalogenation.
Sonogashira K, et al.
Journal of the Chemical Society. Chemical Communications, 9, 291-292 (1977)
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