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221759

Sigma-Aldrich

Ammonium cerium(IV) sulfate dihydrate

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Synonym(s):
Ceric ammonium sulfate, Cerium(IV) ammonium sulfate
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)

Quality Level

200

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.

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)

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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)
Effect of high room temperature on urinary iodine assay.
N T Dung et al.
Clinical chemistry, 43(6 Pt 1), 1084-1085 (1997-06-01)
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Two simple and sensitive indirect spectrophotometric methods for the assay of propranolol hydrochloride (PPH) and piroxicam (PX) in pure and pharmaceutical formulations have been proposed. The methods are based on the oxidation of PPH by a known excess of standard
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