229652
Hafnium(IV) oxychloride hydrate
99.99% trace metals basis (purity excludes zirconium)
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About This Item
Linear Formula:
HfOCl2 · xH2O
CAS Number:
Molecular Weight:
265.40 (anhydrous basis)
EC Number:
MDL number:
UNSPSC Code:
12352302
PubChem Substance ID:
NACRES:
NA.23
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Quality Level
Assay
99.99% trace metals basis (purity excludes zirconium)
form
crystalline
impurities
≤200.0 ppm Trace Metal Analysis
SMILES string
O.Cl[Hf](Cl)=O
InChI
1S/2ClH.Hf.H2O.O/h2*1H;;1H2;/q;;+2;;/p-2
InChI key
ONMNZQKEFYFCCQ-UHFFFAOYSA-L
General description
Degree of hydration 6-8
Application
Starting material for HfGeO4 and HfGeO4:Ti, both used in x-ray phosphors.
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Skin Corr. 1B
Storage Class Code
8B - Non-combustible corrosive hazardous materials
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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P. M. Lambert
Inorganic chemistry, 37(6), 1352-1357 (2001-10-24)
The gel chemistry of germanium is explored through the formation and composition of a hydrous metal oxide precursor gel used in the preparation of the HfGeO(4) and HfGeO(4):Ti X-ray phosphors. The enhanced solubility of hexagonal GeO(2) in dilute ammoniacal solutions
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