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221759

Sigma-Aldrich

Ammonium cerium(IV) sulfate dihydrate

Synonym(s):

Ceric ammonium sulfate, Cerium(IV) ammonium sulfate

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About This Item

Linear Formula:
Ce(NH4)4(SO4)4 · 2H2O
CAS Number:
10378-47-9
Molecular Weight:
632.55
MDL number:
MFCD00149417
UNSPSC Code:
12352302
PubChem Substance ID:
24853259
NACRES:
NA.23

Assay

≥94.0% (with KMnO4, redox titration)

form

powder

composition

Ce(IV), ≥20%

reaction suitability

reagent type: catalyst
core: cerium

mp

130 °C (lit.)

SMILES string

N.N.N.N.O.O.[Ce+4].OS([O-])(=O)=O.OS([O-])(=O)=O.OS([O-])(=O)=O.OS([O-])(=O)=O

InChI

1S/Ce.4H3N.4H2O4S.2H2O/c;;;;;4*1-5(2,3)4;;/h;4*1H3;4*(H2,1,2,3,4);2*1H2/q+4;;;;;;;;;;/p-4

InChI key

VCNAMBGKEDPVGQ-UHFFFAOYSA-J

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Application

The product may be used to initiate the radical polymerization of pectin-poly(ethylene glycol) methacrylate (PEGMA) supracmolecular hydrogels. Ammonium cerium sulphate impregnated starch may be carbonized to form cerium dispersed carbon (CeDC) sorbent used for the extraction of excess fluoride in drinking water.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Thixotropic Supramolecular Pectin-Poly (Ethylene Glycol) Methacrylate (PEGMA) Hydrogels.
Chan SY, et al.
Polymer, 8(11), 404-404 (2016)
Cerium dispersed in carbon (CeDC) and its adsorption behavior: A first example of tailored adsorbent for fluoride removal from drinking water
Sivasankar V, et al.
Chemical Engineering Journal, 214, 45-54 (2013)
K H Gordon et al.
Organic letters, 3(1), 53-56 (2001-06-30)
[figure: see text] A novel benzyloxyaniline linker that uses ceric ammonium nitrate (CAN) as a cleavage reagent is described. Its application in the solid-phase synthesis of N-unsubstituted beta-lactams and secondary amides furnishes compounds in moderate to excellent yield (45-91%) and
Kanakapura Basavaiah et al.
Acta pharmaceutica (Zagreb, Croatia), 57(2), 211-220 (2007-05-18)
Two spectrophotometric methods are proposed for the assay of lansoprazole (LPZ) in bulk drug and in dosage forms using ceric ammonium sulphate (CAS) and two dyes, methyl orange and indigo carmine, as reagents. The methods involve addition of a known
C Passirani et al.
Journal of biomaterials science. Polymer edition, 10(1), 47-62 (1999-03-26)
Nanoparticles have been obtained directly in aqueous media, from amphiphilic copolymers synthesized by radical polymerization of methyl methacrylate (MMA) initiated by Ce(IV) ions in the presence of heparin or dextran. The reaction conditions under which the copolymers spontaneously formed nanoparticles
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