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255750

Sigma-Aldrich

Zinc oxide

99.99% trace metals basis

Synonym(s):

Zinc monoxide, Zinc white

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100 G
$165.00
500 G
$632.00

About This Item

Linear Formula:
ZnO
CAS Number:
Molecular Weight:
81.39
EC Number:
MDL number:
UNSPSC Code:
12352303
PubChem Substance ID:
NACRES:
NA.23

$165.00


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Quality Level

assay

99.99% trace metals basis

form

powder

SMILES string

O=[Zn]

InChI

1S/O.Zn

Inchi Key

XLOMVQKBTHCTTD-UHFFFAOYSA-N

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General description

Zinc oxide is a multifunctional material withunique properties such as a high electrochemical coupling coefficient, highchemical stability, a broad range of radiation absorption, andbiocompatibility. It is also a wide band gap (3.37 eV) semiconductor used inoptoelectronics, ceramics, and laser technology. Owing to its piezo andpyroelectric properties, it can be used as a sensor, energy generator, andphotocatalyst for hydrogen production.

Application

Employed in the preparation of NaZnSiO3OH, a novel chiral framework material which has potential application in ion exchange, adsorption or catalysis.
Zinc oxide can be used as a starting material to prepare:
  • Schottky diodes that are applied in radio-frequency energy-harvesting circuits.
  • ZnO nanostructures for sensing applications. For example, it can be used to fabricate Cr2O3-ZnCr2O4 hetero-nanostructures for highly selective xylene sensors.

pictograms

Environment

signalword

Warning

hcodes

Hazard Classifications

Aquatic Acute 1 - Aquatic Chronic 1

Storage Class

11 - Combustible Solids

wgk_germany

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves


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Customers Also Viewed

A. M. Healey et al.
Inorganic chemistry, 38(3), 455-458 (2001-10-25)
The structure of NaZnSiO(3)OH, synthesized hydrothermally by reaction of Na(2)ZnSiO(4) and NaOH, has been determined from single-crystal X-ray and powder neutron diffraction data (orthorhombic, space group P2(1)2(1)2(1,) a = 7.6872(2) Å, b = 9.3899(2) Å, c = 5.155(1) Å, Z
Hyeong Pil Kim et al.
Journal of nanoscience and nanotechnology, 13(7), 5142-5147 (2013-08-02)
Solution processed cathode organic photovoltaic cells (OPVs) utilizing thin layer of ZnO with 27% increase in power conversion efficiency (PCE) to control devices have been demonstrated. Devices without the presence of ZnO layer have much lower PCE than the ones
Chia-Chi Wang et al.
Journal of nanoscience and nanotechnology, 13(6), 3880-3888 (2013-07-19)
Zinc oxide nanoparticles (nano-ZnO) are one of the most commonly used nanomaterials in industrial products including paints, cosmetics, and medical materials. Since ZnO is a well-known photocatalyst, it is important to further study if nano-ZnO cause phototoxic effect on skin
Dadong Guo et al.
Journal of nanoscience and nanotechnology, 13(6), 3769-3777 (2013-07-19)
Nanomaterials, including zinc oxide (ZnO) nanoparticles, are being developed for a variety of commercial products. Recent reports showed that cells exposed to ZnO nanoparticles produced severe cytotoxicity accompanied by oxidative stress and genotoxicity. To understand the possible mechanism underlying oxidative
Rizwan Wahab et al.
Journal of biomedical nanotechnology, 9(7), 1181-1189 (2013-08-06)
This paper reports the synthesis and characterization of ZnO nanoparticles prepared by soft chemical process. The nanoparticles of ZnO possess wurtzite hexagonal phase and were used for the induction of cell death in malignant human T98G gliomas, KB epithermoids and

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Questions

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  1. 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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  2. 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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  3. I would like to know if they are nanoparticles and if so what size are the nanoparticles?

    1 answer
    1. The product does not comprise nanoparticles. Particle size is not a quality specification for this product and, therefore, is not determined.

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