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Sigma-Aldrich

N-Methyl-N-trimethylsilyl-trifluoroacetamide

for synthesis

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Synonym(s):
N-Methyl-N-trimethylsilyl-trifluoroacetamide, MSTFA
Empirical Formula (Hill Notation):
C6H12F3NOSi
CAS Number:
Molecular Weight:
199.25
MDL number:
EC Index Number:
246-331-6

Quality Level

assay

≥97.0% (GC)

form

liquid

bp

130-132 °C/1013 hPa

transition temp

flash point 25 °C

density

1.085 g/cm3

storage temp.

2-30°C

InChI

1S/C6H12F3NOSi/c1-10(12(2,3)4)5(11)6(7,8)9/h1-4H3

InChI key

MSPCIZMDDUQPGJ-UHFFFAOYSA-N

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This Item
M78911.10255B-023
vibrant-m

M7891

N-Methyl-N-(trimethylsilyl)trifluoroacetamide

Essential+ Grade
vibrant-m

B-023

BSTFA (with 1% TMCS)

-
assay

≥97.0% (GC)

assay

-

assay

≥98.0% (GC)

assay

-

bp

130-132 °C/1013 hPa

bp

130-132 °C (lit.)

bp

145 °C/1013 hPa

bp

45-50 °C/14 mmHg (lit.)

storage temp.

2-30°C

storage temp.

2-8°C

storage temp.

2-30°C

storage temp.

−20°C

form

liquid

form

liquid

form

liquid

form

-

density

1.085 g/cm3

density

1.07 g/mL at 25 °C (lit.), 1.075 g/mL at 25 °C (lit.)

density

0.97 g/cm3 at 20 °C

density

0.969 g/mL at 25 °C (lit.)

Analysis Note

Assay (GC, area%): ≥ 97.0 % (a/a)
Density (d 20 °C/ 4 °C): 1.078 - 1.087
Identity (IR): passes test

pictograms

FlameExclamation mark

signalword

Warning

Hazard Classifications

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

target_organs

Respiratory system

Storage Class

3 - Flammable liquids

wgk_germany

WGK 3

flash_point_f

77.0 °F - closed cup

flash_point_c

25 °C - closed cup


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