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About This Item
Linear Formula:
Ca(BH4)2
CAS Number:
Molecular Weight:
69.76
MDL number:
UNSPSC Code:
26111700
PubChem Substance ID:
NACRES:
NA.23
form:
powder
Recommended Products
form
powder
Quality Level
reaction suitability
reagent type: reductant
greener alternative product characteristics
Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.
sustainability
Greener Alternative Product
greener alternative category
, Enabling
SMILES string
[BH4-].[BH4-].[Ca++]
InChI
1S/2BH4.Ca/h2*1H4;/q2*-1;+2
InChI key
MOUPUCLGEWXWHJ-UHFFFAOYSA-N
General description
Calcium borohydride may be prepared using several techniques:
- by reacting diborane with calcium hydride/alkoxides
- by ball milling CaCl2 and NaBH4, resulting in an exchange reaction
- by exchange reaction between CaCl2 and NaBH4 in THF
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Application
Calcium borohydride is a complex alkali earth metal borohydride, which has high gravimetric and volumetric hydrogen densities. It has a theoretical hydrogen capacity of 11.6 wt% and a low-reaction enthalpy of 32 kJ/mol H2. It can be used for greener applications, which include reversible hydrogen storage.
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Skin Corr. 1B - Water-react 2
Supplementary Hazards
Storage Class Code
4.3 - Hazardous materials which set free flammable gases upon contact with water
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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Nanoconfinement in activated mesoporous carbon of calcium borohydride for improved reversible hydrogen storage
Comuanescu C, et al.
Nanotechnology, 23(38), 385401-385401 (2012)
Significantly enhanced dehydrogenation properties of calcium borohydride combined with urea
Chu H, et al.
Dalton Transactions, 43(41), 15291-15294 (2014)
Reversible hydrogen storage in calcium borohydride Ca (BH4) 2
Kim J, et al.
Scr. Mater., 58(6), 481-483 (2008)
Synthesis and characterisation of a mesoporous carbon/calcium borohydride nanocomposite for hydrogen storage
Ampoumogli A, et al.
International Journal of Hydrogen Energy, 37(21), 16631-16635 (2012)
Metal Borohydrides as Hydrogen Storage Materials
Soloveichik GL
Material Matters, 2(2), 11-11 (2007)
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