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
790532
Boron nitride
nanopowder, <150 nm avg. part. size (TEM), 99% trace metals basis
Sinónimos:
Boron mononitride, Hexagonal boron nitride, White graphite
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About This Item
Productos recomendados
Nivel de calidad
Ensayo
99% trace metals basis
Formulario
nanopowder
tam. prom. pieza
<150 nm (TEM)
densidad
2.29 g/mL at 25 °C (lit.)
cadena SMILES
B#N
InChI
1S/BN/c1-2
Clave InChI
PZNSFCLAULLKQX-UHFFFAOYSA-N
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Categorías relacionadas
Aplicación
Código de clase de almacenamiento
13 - Non Combustible Solids
Clase de riesgo para el agua (WGK)
WGK 3
Punto de inflamabilidad (°F)
Not applicable
Punto de inflamabilidad (°C)
Not applicable
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Artículos
Boron nitride nanotubes (BNNT) are close structural analogs of carbon nanotubes (CNT), which are high aspect ratio nanotubular material, where carbon atoms are alternately substituted by nitrogen and boron atoms.
Novel Graphene‑Based Nanostructures Production, Functionalization, and Engineering
Catalytic water splitting produces hydrogen crucial for renewable energy, petroleum refining, and chemical industry applications like methanol production.
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How can I determine the shelf life / expiration / retest date of this product?
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How is shipping temperature determined? And how is it related to the product storage temperature?
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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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Are these nanoparticles adequate to photocatalytic applications?
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Product 790532 is Boron nitride that has a wide band gap, so it can be used for photocatalysis. Please see the article below which may be helpful:
https://pubs.rsc.org/en/content/articlelanding/2023/ta/d2ta09564eHelpful?
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The BN I ordered was well received. I would like to know how to use BN of nano powder particle size that is sure/sealed in a glass bottle. As a result of connecting and using a syringe with a 20G needle, I did not work. Could my usage be wrong?
1 answer-
Please view the technical bulletin for sure/sealed technology: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/685/583/al_techbull_al134.pdf
The product issue you are reporting should be investigated by our Technical Service team who can assist you with further troubleshooting and/or investigation. We kindly ask you to navigate to the link https://www.sigmaaldrich.com/techservice, click on "Report Product Issues" under the Products Section with all the required information so that a member of our team can reach out to you to assist further. Thank you.
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