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Merck

394882

N-tert-Butyldimethylsilyl-N-methyltrifluoroacetamide

>97%

Synonym(s):

MTBSTFA

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About This Item

Linear Formula:
CF3CON(CH3)Si(CH3)2C(CH3)3
CAS Number:
Molecular Weight:
241.33
UNSPSC Code:
12352001
NACRES:
NA.22
PubChem Substance ID:
MDL number:
Beilstein/REAXYS Number:
3606546
eCl@ss:
32150313
Assay:
>97%
Form:
liquid
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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

N-tert-Butyldimethylsilyl-N-methyltrifluoroacetamide is a highly reactive silylating reagent commonly used for silyation of carboxylic acids, alcohols, amines, and thiols. It is also used as a protection, deprotection reagent.

Application

N-tert-butyldimethylsilyl-N-methyltrifluoroacetamide (MTBSTFA) can be used:
  • As a derivatizing agent in the GC-MS analysis of hydroxylated fluorenes and in the GC analysis of amino acids.
  • As an efficient silylating agent for different alcohols, thiols, phenols, carboxylic acids, amines, and amides.
  • To functionalize multi-walled carbon nanotubes (MWCNTs) with polar groups.
MTBSTFA is reportedly much less moisture-sensitive than other silylating reagents used for GLC derivatization.


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Pictograms

Flame

Signal Word

Warning

Hazard Codes

Hazard Classifications

Flam. Liq. 3

Storage Class

3 - Flammable liquids

Flash Point (°F)

113.0 °F - closed cup

Flash Point (°C)

45 °C - closed cup

PPE (personal protective equipment)

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter


Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

77377-52-7

CAS No.


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