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B5763

N-tert-Butyldimethylsilyl-N-methyltrifluoroacetamide

Synonym(s):

MTBSTFA

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About This Item

Linear Formula:
CF3CON(CH3)Si(CH3)2C(CH3)3
CAS Number:
77377-52-7
Molecular Weight:
241.33
UNSPSC Code:
12352000
Beilstein/REAXYS Number:
3606546
MDL number:
MFCD00009671
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refractive index

n20/D 1.402 (lit.)

bp

172-175 °C (lit.)

density

1.036 g/mL at 25 °C (lit.)

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

Application

Useful silylating reagent, less moisture sensitive than others.

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Pictograms

Flame
GHS02

Signal Word

Warning

Hazard Codes

H226

Hazard Classifications

Flam. Liq. 3

Storage Class

3 - Flammable liquids

WGK

WGK 3

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

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