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Sigma-Aldrich

Ammonium cerium(IV) sulfate dihydrate

≥99%

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:
12352300
PubChem Substance ID:
329753671

assay

≥99%

reaction suitability

reagent type: catalyst
core: cerium

impurities

≤0.005% heavy metals (as Pb)
≤0.005% insoluble in acid

mp

130 °C (lit.)

anion traces

chloride (Cl-): ≤10 mg/kg
phosphate (PO43-): ≤50 mg/kg

cation traces

Fe: ≤50 mg/kg

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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General description

Ammonium cerium(IV) sulfate dihydrate (tetraammonium cerium(IV) sulphate dihydrate) is commonly employed as starting material for various organic syntheses. It is widely employed as oxidizing agent. Its thermal decomposition and thermal characteristics have been reported.

Application

Ammonium cerium(IV) sulfate may be used for the determination of urinary iodine by ammonium persulfate digestion on microplate (APDM) method and colorimetric method.
Ammonium cerium(IV) sulfate was used in thin-layer chromatography for the detection of anti-depreβant drugs in human blood and urine samples.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

Certificates of Analysis (COA)

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N Sadeg et al.
Clinical chemistry, 43(3), 498-504 (1997-03-01)
We evaluated the clinical utility of an automated HPLC system (Remedi, Bio-Rad) for identification of drugs and metabolites in biological fluids. Serum or urine or both from 354 consecutive cases of poisoning were analyzed by the system and by a
Fast colorimetric method for measuring urinary iodine.
Daniella Gnat et al.
Clinical chemistry, 49(1), 186-188 (2003-01-01)
T Ohashi et al.
Clinical chemistry, 46(4), 529-536 (2000-04-12)
Urinary iodine is a good biochemical marker for control of iodine deficiency disorders. Our aim was to develop and validate a simple, rapid, and quantitative method based on the Sandell-Kolthoff reaction, incorporating both the reaction and the digestion process into
Thermal behaviour of sulphato and nitrato complexes of cerium (IV).
Pokol G, et al.
J. Therm. Anal., 42(2-3), 343-359 (1994)
S Kaul et al.
Amino acids, 34(2), 315-320 (2006-11-07)
An assessment of the potential of proline to scavenge free radicals was made in a couple of in vitro assay systems, namely graft co-polymerization and autooxidation of pyrogallol. Both these assays are essentially dependent upon free radical mechanisms. Graft co-polymerization
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