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375934

Sigma-Aldrich

N-tert-Butyldimethylsilyl-N-methyltrifluoroacetamide

≥95%, with 1% tert-Butyldimethylchlorosilane

Synonym(s):

MTBSTFA+TBDMSCl, 99:1, N-Methyl-N-tert-butyldimethylsilyltrifluoroacetamide, MTBSTFA + 1% TBDMSCl, Silylating mixture VI

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About This Item

Empirical Formula (Hill Notation):
C9H18F3NOSi
CAS Number:
77377-52-7
Molecular Weight:
241.33
Beilstein:
3606546
MDL number:
MFCD00009671
UNSPSC Code:
12352001
PubChem Substance ID:
24863412
NACRES:
NA.22
Pricing and availability is not currently available.

Product Name

N-tert-Butyldimethylsilyl-N-methyltrifluoroacetamide with 1% tert-Butyldimethylchlorosilane, ≥95%

Quality Level

100

Assay

≥95%

form

liquid

contains

1% TBDMSCl

functional group

amine
fluoro

storage temp.

−20°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

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Application

N-tert-Butyldimethylsilyl-N-methyltrifluoroacetamide with 1% tert-butyldimethylchlorosilane is commonly used for the preparation of N-tert-butyldimethylsilyl ethanolamines resulting from the hydrolysis of nitrogen mustards. It is also used for selective O-silylation of N,O-diacylhydroxyl amines.

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N-tert-Butyldimethylsilyl-N-methyltrifluoroacetamide, >97%

190500

tert-Butyldimethylsilyl chloride, reagent grade, 97%

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tert-Butyldimethylsilyl chloride, for GC derivatization, LiChropur™, ≥99.0% (GC)

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tert-Butyldimethylsilyl trifluoromethanesulfonate, for GC derivatization, LiChropur™, ≥98.0% (T)

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N-tert-Butyldimethylsilyl-N-methyltrifluoroacetamide, for GC derivatization, LiChropur™, ≥98.0% (GC)

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N-tert-Butyldimethylsilyl-N-methyltrifluoroacetamide with 1% tert-Butyldimethylchlorosilane, for GC derivatization, LiChropur™, ≥95.0% (GC)

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N,O-Bis(tert-butyldimethylsilyl)acetamide, for GC derivatization, LiChropur™, ≥98.0% (GC)

Pictograms

FlameExclamation mark
GHS02,GHS07

Signal Word

Warning

Hazard Statements

H226,H315,H319

Hazard Classifications

Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

113.0 °F - closed cup

Flash Point(C)

45 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
BCCJ2964
BCCG3071
BCCB0590
BCBX5506
BCBW0512

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Journal of chromatography. A, 1216(35), 6267-6273 (2009-07-31)
A sample pretreatment method for the determination of 18 chlorophenols (CPs) in aqueous samples by derivatization liquid-phase microextraction (LPME) was investigated using gas chromatography-mass spectrometry. Derivatization reagent was spiked into the extraction solvent to combine derivatization and extraction into one
R Montes et al.
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A fast and novel sample preparation procedure for the determination of triclosan (TCS) and methyltriclosan (MTCS) in water samples is presented. Dispersive liquid-liquid microextraction, using a ternary mixture consisting of a disperser, an extractant and N-methyl-N-(tert-butyldimethylsilyl)trifluoroacetamide (MTBSTFA) as derivatization reagent
Isaac Ohsawa et al.
Journal of chromatography. A, 1122(1-2), 242-248 (2006-05-19)
A method for determining N-ethyldiethanolamine (EDEA), N-methyldiethanolamine (MDEA) and triethanolamine (TEA), hydrolysis products of nitrogen mustards, in water, urine and blood samples using gas chromatography-mass spectrometry (GC-MS) after derivatization by tert-butyldimethylsilylation (TBDMS) is described. The sample solution was evaporated to
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