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18618-55-8 - Cerium(III) chloride heptahydrate, 99% - Cerous chloride heptahydrate - A12947 - Alfa Aesar

A12947 Cerium(III) chloride heptahydrate, 99%

Número CAS
Nombre Alternativo
Cerous chloride heptahydrate

Tamaño Precio ($) Cantidad Disponibilidad
50g 30,70
250g 97,00
1000g 311,00
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Cerium(III) chloride heptahydrate, 99%


Propiedades químicas

Peso molecular
372.60 (246.48anhy)
Air Sensitive & Hygroscopic
Soluble in alcohol, water, and acetone. Slightly soluble in tetrahydrofuran.


Cerium(III) chloride heptahydrate is used in the preparation of allylsilanes from esters. It is used as a reducing agent in organic synthesis in place of sodium borohydride. In Luche reaction, carvone gives selectively allylic alcohol.


Air sensitive. Hygroscopic. Incompatible with strong acids and strong oxidizing agents.

Referencias documentales

Reagent for selective cleavage of MEM ethers (see 2-Methoxyethoxymethyl­ chloride, L01050 ) under mild conditions: Org. Lett., 3, 1149 (2001).

Useful in modifying the reactivity of Sodium borohydride, 35788 , allowing selective reduction of ketones in the presence of aldehydes: J. Am. Chem. Soc., 101, 5848 (1979), and giving increased selectivity for 1,2-reduction of enones to allylic alcohols: J. Chem. Soc., Chem. Commun., 601 (1978); cyclohexenones can be reduced in an alkyl alcohol to give the alkyl allylic ether in high yield: Pol. J. Chem., 69, 1655 (1995).

With a catalytic amount of NaI in acetonitrile, dioxolanes (ethylene acetals) are deprotected to the parent carbonyl compounds: J. Org. Chem., 62, 4183 (1997), as are 4-methoxybenzyl ethers: J. Org. Chem., 64, 5696 (1999), and allyl ethers: Tetrahedron Lett., 40, 7293 (1999), to the parent alcohols. With a stoichiometric amount of NaI, alcohols can be converted to alkyl iodides: J. Org. Chem., 65, 2830 (2000), aryl alkyl ethers undergo dealkylation to phenols: Chem. Lett., 738 (2000), and selective deprotection of N-Boc protected tert-butyl amino acid esters can be achieved: J. Org. Chem., 66, 4430 (2001). Also deprotects the tert-butyl ethers of alcohols: Adv. Synth. Catal., 348, 905 (2006). For a review of the CeCl3•nH2O/NaI system,as an efficient, water-tolerant Lewis Acid promoter in organic synthesis, see: Synlett, 2101 (2003).

In combination with Zn in acetonitrile, promotes the Reformatsky reaction of Ethyl­ bromofluoroacetate, B21579 : J. Org. Chem., 67, 72 (2002).

For preparation of the anhydrous reagent and its use in combination with organolithium or Grignard reagents to suppress side reactions with carbonyl compounds, see: Org. Synth., 76, 228 (1998).

For a brief feature on uses of this reagent, see: Synlett, 1935 (2002).

Li, B.; Shao, X.; Hao, Y.; Zhao, Y. Ultrasonic-spray-assisted synthesis of metal oxide hollow/mesoporous microspheres for catalytic CO oxidation. RSC Adv. 2015, 5 (104), 85640-85645.

Ogata, T.; Narita, H.; Tanaka, M. Adsorption behavior of rare earth elements on silica gel modified with diglycol amic acid. Hydrometallurgy 2015, 152, 178-182.

Indicaciones de peligro y de precaución del GHS

Indicaciones de peligro (UE): H303-H315-H319-H335

May be harmful if swallowed. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Indicaciones de precaución: P261-P280a-P305+P351+P338-P304+P340-P405-P501a

Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves and eye/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Otras referencias

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