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
nanopowder, ≤100 nm avg. part. size
Sustainability features
Synonym(s):
Stannic dioxide, Tin dioxide, Tin oxide, Stannic oxide
Select a Size
| Size/SKU | Availability | Price |
|---|---|---|
5 g | Available to ship TODAYfromMILWAUKEE | $108.00 |
25 g | Available to ship TODAYfromMILWAUKEE | $353.00 |
About This Item
form
nanopowder
Quality Segment
composition
SnO₂
reaction suitability
core: tin
sustainability
Sustainability features
avg. part. size
≤100 nm
density
6.95 g/mL at 25 °C (lit.)
application(s)
battery manufacturing
perovskite solar cells
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 - | description ≥99.99% trace metals basis | description −325 mesh, 99.9% trace metals basis |
| form nanopowder | form liquid | form powder and chunks | form powder |
| density 6.95 g/mL at 25 °C (lit.) | density - | density 6.95 g/mL at 25 °C (lit.) | density 6.95 g/mL at 25 °C (lit.) |
| avg. part. size ≤100 nm | avg. part. size - | avg. part. size - | avg. part. size - |
| greener alternative category | greener alternative category - | greener alternative category | greener alternative category |
| composition SnO₂ | composition SnO₂ | composition SnO₂ | composition O₂Sn |
| Quality Level 100 | Quality Level 100 | Quality Level 100 | Quality Level 100 |
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Storage Class
11 - Combustible Solids
WGK
nwg
Flash Point (°F)
Not applicable
Flash Point (°C)
Not applicable
PPE (personal protective equipment)
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
Helpful?
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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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