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287717

Sigma-Aldrich

Borane-ammonia complex

greener alternative

technical grade, 90%

Sinonimo/i:

Amminetrihydroboron, Borazane

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About This Item

Formula condensata:
H3N · BH3
Numero CAS:
Peso molecolare:
30.87
Numero MDL:
Codice UNSPSC:
26111700
ID PubChem:
NACRES:
NA.22

Grado

technical grade

Saggio

90%

Forma fisica

solid

Impiego in reazioni chimiche

reagent type: reductant

Caratteristiche più verdi

Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.

sustainability

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Categoria alternativa più verde

Stringa SMILE

B.N

InChI

1S/BH3.H3N/h2*1H3
WZMUUWMLOCZETI-UHFFFAOYSA-N

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Descrizione generale

Ammonia borane, also known as borazane has high hydrogen content (about 20% mass). Thermal decomposition of borazane takes place in the temperature range of 350-410K accompanied by hydrogen release and heat evolution. It may find use as a hydrogen source in fuel cells in the future.
Borane-ammonia complex is a novel material, where ammonia is tightly bound to a ligand through all four of its atoms. It is a donor-acceptor complex that is formed by electron donation from a Lewis base (NH3) to a Lewis acid (BH3). It shows a B-N bond distance of 1.564 Å.
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Applicazioni

Borazane acts as a mild, efficient, and stereoselective reducing agent for aldehydes and ketones in protic or nonprotic media.It can be used as a storage medium for release of hydrogenBorazane is popularly used as an ammonia borane (AB) source for the formation of hexagonal boron nitride monolayers which are used as a substrate for graphene growth.

Codice della classe di stoccaggio

11 - Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 3

Dispositivi di protezione individuale

Eyeshields, Gloves


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Weng, B.; et al.
International Journal of Hydrogen Energy, 36, 10870-10870 (2011)
Tetrahedron Letters, 693-693 (1980)
William C Ewing et al.
Journal of the American Chemical Society, 133(42), 17093-17099 (2011-10-04)
Studies of the activating effect of Verkade's base, 2,8,9-triisobutyl-2,5,8,9-tetraaza-1-phosphabicyclo[3.3.3]undecane (VB), on the rate and extent of H(2) release from ammonia borane (AB) have led to the syntheses and structural characterizations of three anionic aminoborane chain-growth products that provide direct support
X. Yang, et al.,
Tetrahedron, 67, 7121-7127 (2011)
Michael S Bresnehan et al.
ACS nano, 6(6), 5234-5241 (2012-05-02)
Hexagonal boron nitride (h-BN) is a promising dielectric material for graphene-based electronic devices. Here we investigate the potential of h-BN gate dielectrics, grown by chemical vapor deposition (CVD), for integration with quasi-freestanding epitaxial graphene (QFEG). We discuss the large scale

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