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Hafnium sulfate | CAS Number: 15823-43-5

Catalog Number
ACM15823435
Product Name
Hafnium sulfate
Structure
CAS Number
15823-43-5
IUPAC Name
hafnium sulfate
Synonyms
sulfuricacid,hafnium(4++)salt(2:1);HAFNIUM (IV) SULFATE;HAFNIUM SULFATE;hafnium bis(sulphate);HAFNIUM SULFATE, 99.9+%;Hafnium(IV) sulfate, 99.9% (metals basis excluding Zr), Zr ;Hafnium(IV) sulfate, 99.9% (metals basis excluding Zr), Zr <:1%;Hafnium(IV)
Molecular Weight
370.62
Exact Mass
371.85000
Molecular Formula
HfO8S2
Boiling Point
330ºC at 760mmHg
Purity
96%
SMILES
[O-]S(=O)(=O)[O-].[O-]S(=O)(=O)[O-].[Hf+4]
InChIKey
KOELDGKLEFTHGN-UHFFFAOYSA-L
H-Bond Donor
0
H-Bond Acceptor
4
WGK Germany
3
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1Amphoteric Aqueous Hafnium Cluster Chemistry.

Goberna-Ferrón S1, Park DH1, Amador JM1, Keszler DA1, Nyman M2.

Angew Chem Int Ed Engl. 2016 May 17;55(21):6221-4. doi: 10.1002/anie.201601134. Epub 2016 Apr 20.

Selective dissolution of hafnium-peroxo-sulfate films in aqueous tetramethylammonium hydroxide enables extreme UV lithographic patterning of sub-10 nm HfO2 structures. Hafnium speciation under these basic conditions (pH>10), however, is unknown, as studies of hafnium aqueous chemistry have been limited to acid. Here, we report synthesis, crystal growth, and structural characterization of the first polynuclear hydroxo hafnium cluster isolated from base, [TMA]6 [Hf6 (μ-O2 )6 (μ-OH)6 (OH)12 ]⋅38 H2 O. Read More

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Tel:1-201-478-8534
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Address: Suite 212, Waverly Plaza, 755 Waverly Avenue, Holtsville, NY 11742, USA