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Merck
CN

31173

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:
Molecular Weight:
632.55
UNSPSC Code:
12352300
PubChem Substance ID:
MDL number:
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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

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 key

VCNAMBGKEDPVGQ-UHFFFAOYSA-J

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

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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

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

Regulatory Information

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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)
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

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