The formula for barium titanate(IV) is BaTiO3. Therefore, the barium (Ba) to titanium (Ti) atomic ratio is 1:1.
467634
Barium titanate(IV)
nanopowder (cubic crystalline phase), <100 nm particle size (BET), ≥99% trace metals basis
Synonym(s):
Barium titanium oxide, Titanium barium oxide
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$133.00
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About This Item
Linear Formula:
BaTiO3
CAS Number:
Molecular Weight:
233.19
NACRES:
NA.23
PubChem Substance ID:
UNSPSC Code:
12352302
EC Number:
234-975-0
MDL number:
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Product Name
Barium titanate(IV), nanopowder (cubic crystalline phase), <100 nm particle size (BET), ≥99% trace metals basis
InChI key
WNKMTAQXMLAYHX-UHFFFAOYSA-N
InChI
1S/Ba.3O.Ti/q+2;;2*-1;
SMILES string
[Ba++].[O-][Ti]([O-])=O
assay
≥99% trace metals basis
form
nanopowder (cubic crystalline phase)
dielectric constant
150
reaction suitability
reagent type: catalyst
core: titanium
particle size
<100 nm (BET)
density
6.08 g/mL at 25 °C (lit.)
Quality Level
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This Item | 745952 | 208108 | 1.12048 |
|---|---|---|---|
| reaction suitability reagent type: catalyst | reaction suitability - | reaction suitability - | reaction suitability - |
| assay ≥99% trace metals basis | assay 99.9% trace metals basis | assay 99% | assay - |
| form nanopowder (cubic crystalline phase) | form nanopowder (cubic) | form powder | form solid |
| Quality Level 100 | Quality Level 100 | Quality Level 100 | Quality Level 200 |
| density 6.08 g/mL at 25 °C (lit.) | density 6.08 g/mL at 25 °C (lit.) | density 6.08 g/mL at 25 °C (lit.) | density 6.08 g/cm3 at 20 °C |
| dielectric constant 150 | dielectric constant - | dielectric constant - | dielectric constant - |
Application
General description
Barium titanate(IV) is a ceramic material that can be synthesized by reacting titanium oxide (TiO2) and barium salts in the presence of oleic acid as a stabilizing agent. It has a cubic crystal structure which allows it to have ferroelectric, thermoelectric and piezoelectric properties. It forms a film with intense photoluminescence which can be used for a wide range of electronic applications.[3][4][5]
Physical form
Some agglomeration of nanoparticles may occur during the drying process, yielding particle sizes of up to 75 microns. These agglomerates can be broken up through ultrasonication, ball milling, or dispersion in solution with a surfactant.
signalword
Warning
hcodes
Hazard Classifications
Acute Tox. 4 Inhalation - Acute Tox. 4 Oral
Storage Class
11 - Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves
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High-k dielectric composites of poly (2-cyanoethyl vinyl ether) and barium titanate for flexible electronics
Piana F, et al.
Journal of Applied Polymer Science, 134(37), 45236-45236 (2017)
Hydrothermal microwave: a new route to obtain photoluminescent crystalline BaTiO3 nanoparticles
Moreira ML, et al.
Chemistry of Materials, 20(16), 5381-5387 (2008)
Synthesis, Properties, and Applications of Perovskite Phase Metal Oxide Nanostructures
Mao Y, et al.
Material Matters, 5(2), 50-50 (2010)
Synthesis of barium titanate nanopowder using polymeric precursor method
Vinothini V, et al.
Ceramics International, 32(2), 99-103 (2006)
A general soft-chemistry route to perovskites and related materials: synthesis of BaTiO3, BaZrO3, and LiNbO3 nanoparticles
Niederberger M, et al.
Angewandte Chemie (International Edition in English), 43(17), 2270-2273 (2004)
Articles
Synthesis, Properties, and Applications of Perovskite-Phase Metal Oxide Nanostructures
Related Content
This thematic issue focuses on the emerging applications of nanomaterials. Nanomaterials are defined as substances with at least one dimension smaller than 100 nm.
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What is the Ba/Ti atomic ratio and how do I define it?
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How can I determine the shelf life / expiration / retest date of this product?
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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/418/501/product-dating-information-06-25-mk.pdfHelpful?
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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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Dear, I'm looking for monodisperse microparticles (1-10 mu meter) with high dielectric constant. I found the BaTiO3 on the website with a dielectric constant of 150, but how monodisperse are the particles and are there alternatives?
1 answer-
In reference to the Barium titanate compounds, product 208108 may be a better option. This product has a very tight range in terms of particle size, with the average being 1.4 µm.
See the links below to review an example certificate of analysis.
Lot MKCT5369 - while not published here, the histogram for the starting material shows that 80 % of the particles are between 0.54 microns and 3.60 microns
https://www.sigmaaldrich.com/certificates/sapfs/PROD/sap/certificate_pdfs/COFA/Q14/208108-BULKMKCT5369.pdfNote that dielectric constants are not typically reported. There may be additional product options available.
To discuss this further, please navigate to the link https://www.sigmaaldrich.com/techservice, and click on "Product Technical Inquires" 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.Helpful?
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What is the Department of Transportation shipping information for this product?
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Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.
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What is the band gap energy and the electron affinity for Product 467634, Barium titanate?
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The band gap energy is 3.2 eV and the electron affinity is 4.15 eV for barium titanate. However, these properties are not measured for Product 467634, Barium titanate (IV).
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