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
324671
Potassium bis(trimethylsilyl)amide
95%
Synonym(s):
Hexamethyldisilazane potassium salt, Potassium hexamethyldisilazide
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$115.00
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About This Item
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Quality Level
assay
95%
form
solid
density
0.877 g/cm3 at 20 °C
SMILES string
C[Si](C)(C)N([K])[Si](C)(C)C
InChI
1S/C6H18NSi2.K/c1-8(2,3)7-9(4,5)6;/h1-6H3;/q-1;+1
Inchi Key
IUBQJLUDMLPAGT-UHFFFAOYSA-N
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Related Categories
1 of 4
This Item | 702722 | 324620 | 245585 |
|---|---|---|---|
| assay 95% | assay - | assay 97% | assay - |
| Quality Level 200 | Quality Level 200 | Quality Level 200 | Quality Level 200 |
| form solid | form liquid | form solid | form liquid |
| density 0.877 g/cm3 at 20 °C | density 0.915 g/mL at 25 °C | density 0.860 g/mL at 25 °C (lit.) | density 0.904 g/mL at 25 °C |
General description
Application
Features and Benefits
- Easily available.
- Good selectivity for the benzylic C−H bonds.
- Good reactivity for sterically crowded C−H bonds.
signalword
Danger
hcodes
Hazard Classifications
Eye Dam. 1 - Skin Corr. 1B
supp_hazards
Storage Class
8A - Combustible corrosive hazardous materials
wgk_germany
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges
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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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