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Sigma-Aldrich

Magnesium borohydride

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About This Item

Linear Formula:
Mg(BH4)2
CAS Number:
Molecular Weight:
53.99
MDL number:
UNSPSC Code:
26111700
PubChem Substance ID:
NACRES:
NA.23

assay

95%

form

powder

reaction suitability

reagent type: reductant

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SMILES string

[BH4-].[BH4-].[Mg++]

InChI

1S/2BH4.Mg/h2*1H4;/q2*-1;+2

InChI key

BAJRVYFABMRJEO-UHFFFAOYSA-N

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General description

Magnesium borohydride (Mg(BH4)2) is a hydrogen storage material with a high gravimetric wt% of ~14.8 and a volumetric hydrogen density of 112 g/L. It has a relatively low hydrogen-release temperature and reversibility. Mg(BH4)2 can be used as an electrolytic material for rechargeable magnesium batteries. Its unsolvated form can be derived by solid state exchange reaction between MgCl2 and MBH4.
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Application

Used in hydrogen storage.

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Danger

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Skin Corr. 1B - Water-react 2

Storage Class

4.3 - Hazardous materials which set free flammable gases upon contact with water

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable


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Articles

An article about metal borohydrides as hydrogen storage materials

Mechanochemical Effect of Severe Plastic Deformations: Metal Alloys, Hydrides and Molecular Solids

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