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
633097
Silicon
nanopowder, <100 nm particle size (TEM), ≥98% trace metals basis
Sustainability features
Synonym(s):
Silicon anode material
Select a Size
| Size/SKU | Availability | Price |
|---|---|---|
10 g | Check Cart for Availability | MXP 15,852.00 |
25 g | Check Cart for Availability | MXP 25,972.00 |
About This Item
Quality Segment
assay
≥98% trace metals basis
form
nanopowder
composition
SiO2
reaction suitability
core: silicon
sustainability
Sustainability features
particle size
<100 nm (TEM)
bp
2355 °C (lit.)
mp
1410 °C (lit.)
density
2.33 g/mL at 25 °C (lit.)
SMILES string
[Si]
InChI
1S/Si
InChI key
XUIMIQQOPSSXEZ-UHFFFAOYSA-N
General description
Application
Features and Benefits
- Superior Dispersion
- High Specific Surface Area
- Improved Mechanical Stability
- Enhanced Performance
1 of 1
This Item | |||
|---|---|---|---|
| description nanopowder, <100 nm particle size (TEM), ≥98% trace metals basis | description nanoparticles, 40 nm avg. part. size, ≥99% trace metals basis | description disks, 13mm, thickness 0.38mm, single crystal, 100% | description disks, 15.9mm, thickness 0.38mm, single crystal, n-type, 100% |
| form nanopowder | form nanoparticles, powder or crystals | form foil | form foil |
| particle size <100 nm (TEM) | particle size - | particle size - | particle size - |
| assay ≥98% trace metals basis | assay ≥99% trace metals basis | assay 100% | assay 100% |
| composition SiO2 | composition (Si) | composition - | composition - |
| mp 1410 °C (lit.) | mp 1410 °C (lit.) | mp 1410 °C (lit.) | mp 1410 °C (lit.) |
| density 2.33 g/mL at 25 °C (lit.) | density 2.33 g/mL at 25 °C (lit.) | density 2.33 g/mL at 25 °C (lit.) | density 2.33 g/mL at 25 °C (lit.) |
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Signal Word
Warning
Hazard Codes
Precautionary Statements
Hazard Classifications
Flam. Sol. 2
Storage Class
4.1B - Flammable solid hazardous materials
WGK
WGK 3
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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Helpful?
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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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what technique is used to produce this powder (nano Si 100nm)? Gas phase? laser or plasma?
1 answer-
The method of preparation is considered proprietary.
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