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
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394882
N-tert-Butyldimethylsilyl-N-methyltrifluoracetamid
>97%
Synonym(e):
MTBSTFA
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| Größe/SKU | Verfügbarkeit | Preis |
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Über diesen Artikel
grade
derivatization grade
Quality Segment
assay
>97%
form
liquid
reaction suitability
reactivity: alcohol reactive, reactivity: amine reactive, reagent type: protection reagent
refractive index
n20/D 1.402 (lit.)
bp
172-175 °C (lit.)
density
1.036 g/mL at 25 °C (lit.)
functional group
amine, fluoro
storage temp.
2-8°C
SMILES string
CN(C(=O)C(F)(F)F)[Si](C)(C)C(C)(C)C
InChI
1S/C9H18F3NOSi/c1-8(2,3)15(5,6)13(4)7(14)9(10,11)12/h1-6H3
InChI key
QRKUHYFDBWGLHJ-UHFFFAOYSA-N
General description
Application
- Als Derivatisierungsmittel bei der GC-MS-Analyse von hydroxylierten Fluorenen und bei der GC-Analyse von Aminosäuren.
- Als wirksames Silylierungsmittel für verschiedene Alkohole, Thiole, Phenole, Carbonsäuren, Amine und Amide.
- Zur Funktionalisierung mehrwandiger Kohlenstoff-Nanoröhrchen (MWCNTs) mit polaren Gruppen.
1 of 1
Dieser Artikel | |||
|---|---|---|---|
| description >97% | description ≥95% | description derivatization grade (GC derivatization), LiChropur™, ≥97.0% (GC) | description ≥99% |
| assay >97% | assay ≥95% | assay ≥97.0% (GC) | assay ≥99% |
| Quality Level 200 | Quality Level 100 | Quality Level 100 | Quality Level 200 |
| reaction suitability reactivity: alcohol reactive, reagent type: protection reagent, reactivity: amine reactive | reaction suitability reactivity: alcohol reactive, reactivity: amine reactive, reagent type: protection reagent | reaction suitability reagent type: derivatization reagent | reaction suitability reagent type: protection reagent, reactivity: amine reactive, reactivity: alcohol reactive |
| density 1.036 g/mL at 25 °C (lit.) | density - | density 1.547 g/mL at 25 °C | density 0.969 g/mL at 25 °C (lit.) |
| storage temp. 2-8°C | storage temp. −20°C | storage temp. 2-8°C | storage temp. - |
| refractive index n20/D 1.402 (lit.) | refractive index - | refractive index n20/D 1.346 (lit.) | refractive index n20/D 1.384 (lit.) |
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signalword
Warning
hcodes
Hazard Classifications
Flam. Liq. 3
Lagerklasse
3 - Flammable liquids
wgk
WGK 3
flash_point_f
113.0 °F - closed cup
flash_point_c
45 °C - closed cup
ppe
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
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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?
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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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