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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:
Molecular Weight:
632.55
MDL number:
PubChem Substance ID:

assay

≥94.0% (with KMnO4, redox titration)

Quality Level

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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1 of 4

This Item
222693830901.02273
vibrant-m

22269

Ammonium cerium(IV) sulfate dihydrate

Essential Grade
vibrant-m

383090

Ammonium cerium(IV) sulfate dihydrate

Essential Grade
assay

≥94.0% (with KMnO4, redox titration)

assay

≥98.0% (RT)

assay

≥94%

assay

≥99.0% ((NH4)4Ce(SO4)4·2H2O basis, potentiometry)

Quality Level

200

Quality Level

200

Quality Level

100

Quality Level

300

mp

130 °C (lit.)

mp

130 °C (lit.)

mp

130 °C (lit.)

mp

-

composition

Ce(IV), ≥20%

composition

-

composition

-

composition

-

reaction suitability

reagent type: catalyst
core: cerium

reaction suitability

reagent type: catalyst
core: cerium

reaction suitability

reagent type: catalyst
core: cerium

reaction suitability

-

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

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves


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