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.pdf
199923
Lanthanum(III) oxide
99.99% trace metals basis
Ekologičtější alternativa
Synonyma:
Dilanthanum trioxide, Lanthana, Lanthanum oxide, Lanthanum sesquioxide, Lanthanum trioxide, Lanthanum(3+) oxide
Vybrat velikost
| Vám/SKU | Dostupnost | Cena |
|---|---|---|
100 g | Obraťte se na zákaznický servis a vyžádejte si informaci o dostupnosti. | 6 740,00 Kč |
500 g | Obraťte se na zákaznický servis a vyžádejte si informaci o dostupnosti. | 19 500,00 Kč |
O této položce
6 740,00 Kč
Quality Segment
assay
99.99% trace metals basis
form
powder
composition
La2O3
reaction suitability
reagent type: catalyst
core: lanthanum
greener alternative product characteristics
Design for Energy Efficiency
Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.
sustainability
Greener Alternative Product, Greener Alternative Product
density
6.51 g/mL at 25 °C (lit.)
application(s)
battery manufacturing
battery precursors
glass & ceramic
SMILES string
O=[La]O[La]=O
InChI
1S/2La.3O
InChI key
KTUFCUMIWABKDW-UHFFFAOYSA-N
General description
Application
It can be used as a recyclable catalytic system for the synthesis of diphenyl sulfides and selenides and for the C-N cross-coupling of aryl halides with heteroaromatic amines.
It can also be used as a promoter or support material for the selective oxidation of methanol over gold catalyst.
Features and Benefits
- High refractive index
- Low dispersion
- Colorless in the glass matrix
- Efficient, inexpensive, and recyclable catalyst
1 of 1
Tato položka | |||
|---|---|---|---|
| description 99.99% trace metals basis | description 99.999% trace metals basis | description nanopowder, <100 nm particle size (TEM), 99% trace metals basis | description suitable for AAS, ≥99.9% |
| assay 99.99% trace metals basis | assay 99.999% trace metals basis | assay 99% trace metals basis | assay ≥99.9%, ≥99.9% trace metals basis |
| form powder | form powder | form nanopowder | form powder |
| density 6.51 g/mL at 25 °C (lit.) | density 6.51 g/mL at 25 °C (lit.) | density 6.51 g/mL at 25 °C (lit.) | density 6.51 g/mL at 25 °C (lit.) |
| greener alternative category | greener alternative category | greener alternative category - | greener alternative category - |
| application(s) battery manufacturing | application(s) battery manufacturing | application(s) battery precursors | application(s) - |
| sustainability Greener Alternative Product, Greener Alternative Product | sustainability Greener Alternative Product, Greener Alternative Product | sustainability - | sustainability - |
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Skladovací třída
13 - Non Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves
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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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What is the particle size of Product 199923?
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The particle size for this product has not been determined. However, historical information indicates that it is greater than 1 µm.
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What is the particle size of this product?
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The particle size for this product has not been determined. Historical information indicates only that it is >1 um.
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