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CERIUM (III) IODIDE

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CERIUM (III) IODIDE Basic information

Product Name:
CERIUM (III) IODIDE
Synonyms:
  • Ceriumiodidehydrateyellowxtl
  • cerium triiodide
  • CERIUM(III) IODIDE, ANHYDROUS, POWDER,99 .99%
  • CERIUM(III) IODIDE, ANHYDROUS, 99.999%
  • CERIUM(III) IODIDE, ANHYDROUS, BEADS, -10 MESH, 99.99%
  • Cerium(III)iodide,ultradry,99.9%(REO)
  • Cerium(Ⅲ)iodide
  • cerium(iii) iodide, ultra dry
CAS:
7790-87-6
MF:
CeI3
MW:
520.83
EINECS:
232-228-3
Product Categories:
  • metal halide
Mol File:
7790-87-6.mol
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CERIUM (III) IODIDE Chemical Properties

Melting point:
750 °C(lit.)
Boiling point:
1400℃ [CRC10]
solubility 
soluble in H2O
form 
crystal
color 
yellow
Water Solubility 
Soluble in water
Sensitive 
Hygroscopic
Merck 
14,1999
CAS DataBase Reference
7790-87-6(CAS DataBase Reference)
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Safety Information

Hazard Codes 
T,Xi
Risk Statements 
61-42/43-36/38
Safety Statements 
53-26-36/37/39-45
WGK Germany 
3

MSDS

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CERIUM (III) IODIDE Usage And Synthesis

Chemical Properties

white or reddish white crystal(s) [MER06]

Uses

Cerium(III) iodide is used as a pharmaceutical intermediate.

Reactivity Profile

Organocerium reagents prepared from cerium triiodide and organolithiums have reduced basicity and possess enhanced nucleophilicity toward the carbonyl group; promotes aldol reaction between α-halo ketones and aldehydes; in combination with LiAlH4 is a selective 1,2-reducing agent.

reaction suitability

reagent type: catalyst
core: cerium

Synthesis

Pure CeI3 (Cerium (III) iodide) is prepared by reacting metallic cerium with iodine or mercury(II) iodide at high temperature.Another method is to dissolve CeO2 in an aqueous HI solution, adding 12 moles of NH4I per mole of CeO2 and evaporating the mixture to dryness. The mixture is heated in vacuo at 300- 350 °C to leave pure CeI3. CeI3 is prepared in situ by reacting powdered cerium with iodine in THF[1-4].

Precautions

Cerium (III) iodide is extremely hygroscopic and turns brown when exposed to air owing to the liberation of iodine. This reagent should be stored under nitrogen and handled in a glove bag.

References

1. Jantsch, G.; Grubitsch, H.; Hoffmann, F.; Alber, H. ZC 1929, 185, 49.
2. Asprey, L. B.; Keenan, T. K.; Kruse, F. H. IC 1964, 3, 1137.
3. Taylor, M. D. CRV 1962, 62, 503.
4. Imamoto, T.; Kusumoto, T.; Tawarayama, Y.; Sugiura, Y.; Mita, T.; Hatanaka, Y.; Yokoyama, M. JOC 1984, 49, 3904.

CERIUM (III) IODIDESupplier

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