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287717

Sigma-Aldrich

Borane-ammonia complex

greener alternative

technical grade, 90%

Synonyme(s) :

Amminetrihydroboron, Borazane

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About This Item

Formule linéaire :
H3N · BH3
Numéro CAS:
Poids moléculaire :
30.87
Numéro MDL:
Code UNSPSC :
26111700
ID de substance PubChem :
Nomenclature NACRES :
NA.22

Qualité

technical grade

Pureté

90%

Forme

solid

Pertinence de la réaction

reagent type: reductant

Caractéristiques du produit alternatif plus écologique

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

sustainability

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Autre catégorie plus écologique

Chaîne SMILES 

B.N

InChI

1S/BH3.H3N/h2*1H3

Clé InChI

WZMUUWMLOCZETI-UHFFFAOYSA-N

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Description générale

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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Application

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.

Code de la classe de stockage

11 - Combustible Solids

Classe de danger pour l'eau (WGK)

WGK 3

Équipement de protection individuelle

Eyeshields, Gloves


Certificats d'analyse (COA)

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Consulter la Bibliothèque de documents

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)
Weng, B.; et al.
International Journal of Hydrogen Energy, 36, 10870-10870 (2011)
Gang Hee Han et al.
ACS nano, 7(11), 10129-10138 (2013-11-05)
Graphene-boron nitride monolayer heterostructures contain adjacent electrically active and insulating regions in a continuous, single-atom thick layer. To date structures were grown at low pressure, resulting in irregular shapes and edge direction, so studies of the graphene-boron nitride interface were
Thermal decomposition of B-N-H compounds investigated by using combined thermoanalytical methods.
Baitalow F, et al.
Thermochimica Acta, 391(1), 159-168 (2002)

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