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208558

Sigma-Aldrich

Zirconium(II) hydride

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−325 mesh, 99%

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Synonym(s):
Zirconium dihydride
Linear Formula:
ZrH2
CAS Number:
7704-99-6
Molecular Weight:
93.24
EC Number:
231-727-3
MDL number:
MFCD00148878
UNSPSC Code:
12352000
PubChem Substance ID:
24852521
NACRES:
NA.22

Quality Level

100

Assay

99%

form

powder

reaction suitability

core: zirconium
reagent type: catalyst
reaction type: Reductions
reagent type: reductant

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particle size

−325 mesh

greener alternative category

, Enabling

SMILES string

[ZrH2]

InChI

1S/Zr.2H

InChI key

QSGNKXDSTRDWKA-UHFFFAOYSA-N

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General description

Atomic number of base material: 40
We are committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Greener Chemistry. This product has been enhanced for energy efficiency. Find details here.

Application

Reactant for:
  • Reactive hot-pressing synthesis of Zr2SC ceramics
  • Synthesis of Mg-TM hydrides for hydrogen storage
  • Synthesis of nanocrystal ceramic composites by mechanical alloying
  • Measurement of minimum ignition energies of dust clouds
  • The oxidation of metal hydrides with molecular oxygen
Zirconium(II) hydride (ZrH2) can be used as a precursor for:
  •  Reactive hot-pressing synthesis of Zr2SC ceramics by displacement reaction with the mixture of ZrC and ZrS2.,· 
  •  The synthesis of Mg-Zr hydrides by treating with MgH2 for hydrogen storage.       
  • The preparation of layer structured β-zirconium nitride chloride (ZrNCl) by reacting with NH4Cl.

Zirconium(II) hydride (ZrH2) can be used for the preparation of zirconium diboride (ZrB2) by the reactive plasma sintering process. It can be used as a neutron shielding material, which finds potential usage in hydrogen storage.

Analysis Note

XRD plots and metal purity data are available upon request.

Pictograms

FlameExclamation mark
GHS02,GHS07

Signal Word

Danger

Hazard Statements

H228,H315,H319,H335

Hazard Classifications

Eye Irrit. 2 - Flam. Sol. 1 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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Advanced neutron shielding material using zirconium borohydride and zirconium hydride
Hayashi T, et al.
Journal of Nuclear Materials, 386(11), 119-121 (2009)
Synthesis of FCC Mg-Ta hydrides using GPa hydrogen pressure method and their hydrogen-desorption properties
Kyoi D, et al.
Journal of alloys and compounds, 463(1-2), 306-310 (2008)
Novel synthesis of the layer structured ?-?zirconium nitride chloride (ZrNCl) by the direct reactions of zirconium metal or zirconium hydride with ammonium chloride
Ohashi M, et al.
Journal of Solid State Chemistry, 75(1), 99-104 (1988)
Preparation of zirconium diboride ceramics by reactive spark plasma sintering of zirconium hydride-boron powders
Guo S, et al.
Scr. Mater., 65(11), 1018-1021 (2011)

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