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682098

Sigma-Aldrich

Borane-ammonia complex

greener alternative

95%

Synonyme(s) :

Amminetrihydroboron, Borazane

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1 G
77,20 €
10 G
470,00 €
100 G
3 020,00 €

About This Item

Formule linéaire :
H3N · BH3
Numéro CAS:
13774-81-7
Poids moléculaire :
30.87
Numéro MDL:
MFCD00075639
Code UNSPSC :
26111700
ID de substance PubChem :
329760771
Nomenclature NACRES :
NA.23

77,20 €

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Niveau de qualité

100

Essai

95%

Forme

solid

Caractéristiques du produit alternatif plus écologique

Design for Energy Efficiency
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Autre catégorie plus écologique

Enabling,

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 take place in the temperature range 350-410K accompanied by hydrogen release and heat evolution. It may find use as a hydrogen source in fuel cells in the future.[1]
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 donated by a Lewis base (NH3) to a Lewis acid (BH3). It shows a B-N bond distance of 1.564 Å.[2][3]
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Application

Borazane 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.[4][5][6][7]

Code de la classe de stockage

11 - Combustible Solids

Classe de danger pour l'eau (WGK)

WGK 3

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Équipement de protection individuelle

Eyeshields, Gloves

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Certificats d'analyse (COA)

Lot/Batch Number
SHBP5778
SHBP7297
SHBR2122
SHBQ6774
SHBN8278

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Hyo Ju Park et al.
Science advances, 6(10), eaay4958-eaay4958 (2020-03-18)
Hexagonal boron nitride (hBN) is an insulating two-dimensional (2D) material with a large bandgap. Although known for its interfacing with other 2D materials and structural similarities to graphene, the potential use of hBN in 2D electronics is limited by its
Qiuxia Zhou et al.
Journal of colloid and interface science, 508, 542-550 (2017-09-05)
The design and fabrication of highly active and durable catalysts for the ammonia borane (AB) hydrolysis has been one of significant issues in the application of green and economic hydrogen energy. Nanoporous (NP) PtCo/Co
Wei Fu et al.
ACS nano, 14(4), 3917-3926 (2020-02-13)
The breaking of multiple symmetries by periodic lattice distortion at a commensurate charge density wave (CDW) state is expected to give rise to intriguing interesting properties. However, accessing the commensurate CDW state on bulk TaS2 crystals typically requires cryogenic temperatures
Yuewen Sheng et al.
ACS nano, 13(4), 4530-4537 (2019-03-22)
The solid progress in the study of a single two-dimensional (2D) material underpins the development for creating 2D material assemblies with various electronic and optoelectronic properties. We introduce an asymmetric structure by stacking monolayer semiconducting tungsten disulfide, metallic graphene, and
Serena Casanova et al.
Nanoscale, 12(41), 21138-21145 (2020-07-15)
The rejection of particles with different charges and sizes, ranging from a few Ångstroms to tens of nanometers, is key to a wide range of industrial applications, from wastewater treatment to product purification in biotech processes. Carbon nanotubes (CNTs) have
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Questions

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  1. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer

    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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  2. How can I determine the shelf life / expiration / retest date of this product?

    1 answer

    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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