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
549657
Tin(IV) oxide
Greener Alternative
nanopowder, ≤100 nm avg. part. size
Synonym(s):
Stannic dioxide, Tin dioxide, Tin oxide, Stannic oxide
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| Size/SKU | Availability | Price |
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About This Item
form
nanopowder
Quality Segment
composition
SnO₂
reaction suitability
core: tin
greener alternative product characteristics
Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.
sustainability
Greener Alternative Product
avg. part. size
≤100 nm
density
6.95 g/mL at 25 °C (lit.)
application(s)
battery manufacturing
perovskite solar cells
greener alternative category
SMILES string
O=[Sn]=O
InChI
1S/2O.Sn
InChI key
XOLBLPGZBRYERU-UHFFFAOYSA-N
General description
1 of 1
This Item | |||
|---|---|---|---|
| description nanopowder, ≤100 nm avg. part. size | description −325 mesh, 99.9% trace metals basis | description ≥99.99% trace metals basis | description EMPLURA® |
| form nanopowder | form powder | form powder and chunks | form solid |
| density 6.95 g/mL at 25 °C (lit.) | density 6.95 g/mL at 25 °C (lit.) | density 6.95 g/mL at 25 °C (lit.) | density 6.95 g/cm3 at 20 °C |
| greener alternative product characteristics Design for Energy Efficiency | greener alternative product characteristics Design for Energy Efficiency | greener alternative product characteristics Design for Energy Efficiency | greener alternative product characteristics Design for Energy Efficiency |
| application(s) battery manufacturing | application(s) battery manufacturing | application(s) battery manufacturing | application(s) - |
| composition SnO₂ | composition O₂Sn | composition SnO₂ | composition - |
| Quality Level 100 | Quality Level 100 | Quality Level 100 | Quality Level 200 |
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Storage Class
11 - Combustible Solids
wgk
nwg
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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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?
1 answer-
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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I would like to know the morphology of the nanopowders. Could you kindly provide a SEM image of the SnO2 nanopowder?
1 answer-
This product's XRD conforms to that of SnO2, cassiterite. Please see the SEM image below:
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