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
128910
N,O-Bis(trimethylsilyl)acetamide
synthesis grade, ≥95%
Synonym(s):
BSA
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Product Name
N,O-Bis(trimethylsilyl)acetamide, synthesis grade, ≥95%
InChI key
SIOVKLKJSOKLIF-CMDGGOBGSA-N
InChI
1S/C8H21NOSi2/c1-8(9-11(2,3)4)10-12(5,6)7/h1-7H3/b9-8+
SMILES string
C\C(O[Si](C)(C)C)=N/[Si](C)(C)C
grade
synthesis grade
assay
≥95%
form
liquid
refractive index
n20/D 1.417 (lit.)
bp
71-73 °C/35 mmHg (lit.)
density
0.832 g/mL at 20 °C (lit.)
functional group
amine
Quality Level
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This Item | 15269 | 8.18727 | 15222 |
|---|---|---|---|
| assay ≥95% | assay ≥98.5% (GC) | assay ≥95.0% (GC) | assay ≥99.0% (GC) |
| Quality Level 100 | Quality Level 100 | Quality Level 200 | Quality Level 100 |
| refractive index n20/D 1.417 (lit.) | refractive index n20/D 1.417 (lit.) | refractive index - | refractive index n20/D 1.384 (lit.) |
| density 0.832 g/mL at 20 °C (lit.) | density 0.832 g/mL at 20 °C (lit.) | density 0.83 g/cm3 at 20 °C | density 0.969 g/mL at 25 °C (lit.) |
| form liquid | form liquid | form liquid | form liquid |
| bp 71-73 °C/35 mmHg (lit.) | bp 71-73 °C/35 mmHg (lit.) | bp 43 °C/11 hPa | bp 45-50 °C/14 mmHg (lit.) |
Application
Features and Benefits
General description
related product
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Danger
hcodes
Hazard Classifications
Acute Tox. 4 Oral - Flam. Liq. 3 - Skin Corr. 1B
supp_hazards
Storage Class
3 - Flammable liquids
wgk
WGK 3
flash_point_f
111.2 °F - closed cup
flash_point_c
44 °C - closed cup
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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