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721077

Sigma-Aldrich

Zinc oxide, dispersion

nanoparticles, <100 nm particle size (TEM), ≤40 nm avg. part. size (APS), 20 wt. % in H2O

Sinónimos:

Zinc monoxide, Zinc white

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100 G
$77.300

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100 G
$77.300

About This Item

Fórmula lineal:
ZnO
Número de CAS:
1314-13-2
Número MDL:
MFCD00011300
Código UNSPSC:
12161600
ID de la sustancia en PubChem:
329763818
NACRES:
NA.23

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Formulario

dispersion
nanoparticles

Nivel de calidad

200

concentración

20 wt. % in H2O

tamaño de partícula

<100 nm (TEM)

tam. prom. pieza

≤40 nm (APS)

pH

7.5±1.5

densidad

1.7 g/mL±0.1 g/mL at 25 °C

cadena SMILES

[Zn]=O

InChI

1S/O.Zn

Clave InChI

XLOMVQKBTHCTTD-UHFFFAOYSA-N

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Descripción general

Zinc oxide, dispersion (ZnO) is a multi-function metal oxide with unique physio-chemical properties, which includes high chemical stability, broad range absorption spectra and high electrochemical characteristics. It can also be categorized as a semiconductor due to its high energy band width and high thermal stability that make it potentially useful in electronics and optoelectronics applications.[1]

Aplicación

ZnO dispersions have piezo and pyroelectric properties that make it useful in the development of sensors, generators, and photo-catalysis. It has low toxicity and biocompatibility, which facilitate its applications in biomedicine.[2][3][4][5][6]

Pictogramas

Environment
GHS09

Frases de peligro

H411

Consejos de prudencia

P273 - P391 - P501

Clasificaciones de peligro

Aquatic Chronic 2

Código de clase de almacenamiento

12 - Non Combustible Liquids

Clase de riesgo para el agua (WGK)

WGK 2

Punto de inflamabilidad (°F)

Not applicable

Punto de inflamabilidad (°C)

Not applicable

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Certificados de análisis (COA)

Lot/Batch Number
MKCT9826
MKCV2987
MKCR5171
MKCS6344
MKCQ6247

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Sigma-Aldrich

255750

Zinc oxide

Titanium(IV) oxide, mixture of rutile and anatase nanoparticles, &lt;150&#160;nm particle size (volume distribution, DLS), dispersion, 40&#160;wt. % in H2O, 99.5% trace metals basis

Sigma-Aldrich

700347

Titanium(IV) oxide, mixture of rutile and anatase

Electrical conduction and dielectric studies of ZnO pellets
Chaari M and Matoussi A
Physica B: Condensed Matter, 407(17), 3441-3447 (2012)
Splendid one-dimensional nanostructures of zinc oxide: a new nanomaterial family for nanotechnology
Wang ZL
ACS Nano, 2(10), 1987-1992 (2008)
Dispersing hydrophilic nanoparticles in hydrophobic polymers: HDPE/ZnO nanocomposites by a novel template-based approach.
de Luna MS, et al.
Express Polymer Letters, 8(5) (2014)
A comprehensive review of ZnO materials and devices
Ozgur U, et al.
Journal of Applied Physics, 98(4), 11-11 (2005)
Fate of ZnO nanoparticles in soils and cowpea (Vigna unguiculata)
Wang P, et al.
Environmental Science & Technology, 47(23), 13822-13830 (2013)
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Questions

1–4 of 4 Questions  

  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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  3. Is this in a sterile packaging ?

    1 answer

    1. This product is not sterile.

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  4. I have used ZnO NPs dispersion (Cat. No. 721077-100G) and SWCNT powder (Cat. No. 704121-250MG) from sigma. I want the information about the synthesis protocol of these nanoparticles.

    1 answer

    1. The synthesis protocols for these products are considered proprietary and cannot be provided. However, it may be helpful to view the publications below:
      https://www.sigmaaldrich.com/technical-documents/technical-article/materials-science-and-engineering/nanoparticle-and-microparticle-synthesis/synthesis-of-zno-aggregates-and-their-application

      https://www.sciencedirect.com/science/article/abs/pii/B978012813248700002X

      https://www.sciencedirect.com/topics/chemistry/carbon-nanotube-synthesis#:~:text=The%20synthesis%20of%20CNTs%20by%20chemical%20vapour%20deposition%20(CVD)%20using,for%20CNT%20synthesis%20is%20needed.

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