M-132
N-Metil-N-(trimetilsilil)trifluoroacetamida
ampule of 10 × 1.2 mL, analytical standard, Cerilliant®
Sinónimos:
N-trimetilsilil-N- metil trifluoroacetamida, MSTFA
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Fórmula lineal:
CF3CON(CH3)Si(CH3)3
Número CAS:
Peso molecular:
199.25
UNSPSC Code:
41116107
NACRES:
NA.24
PubChem Substance ID:
EC Number:
246-331-6
Beilstein/REAXYS Number:
1941550
MDL number:
Servicio técnico
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analytical standard
Quality Segment
vapor density
>1 (vs air)
vapor pressure
8.8 mmHg ( 27 °C)
reaction suitability
reagent type: derivatization reagent
reaction type: Acylations
packaging
ampule of 10 × 1.2 mL
manufacturer/tradename
Cerilliant®
technique(s)
gas chromatography (GC): suitable
refractive index
n20/D 1.38 (lit.)
bp
130-132 °C (lit.)
density
1.075 g/mL at 25 °C (lit.)
application(s)
forensics and toxicology
format
neat
storage temp.
−20°C
SMILES string
CN(C(=O)C(F)(F)F)[Si](C)(C)C
InChI
1S/C6H12F3NOSi/c1-10(12(2,3)4)5(11)6(7,8)9/h1-4H3
InChI key
MSPCIZMDDUQPGJ-UHFFFAOYSA-N
General description
MSTFA (N-Methyl-N-trimethylsilylfluoroacetamide) is an important trimethylsilyl reagent, and a commonly applied reagent since it is highly reactive towards a broad range of compound classes. GC-MS optimization studies reveal the use of this reagent either alone or in combination with 1% of trimethylchlorosilane as a catalyst for silylation of complex mixtures. It has similar reactivity as BSA and BSTFA.
Application
MSTFA reagent may be used as a derivatizing agent in the following:
- Analysis of estrogen steroids such as estrone (E1), 17α-ethinylestradiol (EE2), and trenbolone acetate metabolites, melengestrol in environmental matrices using gas chromatography coupled to mass spectrometry (GC-MS).
- Quantification of ibuprofen, naproxen, ketoprofen, and diclofenac in wastewater samples using gas chromatography coupled to mass spectrometry (GC-MS).
Features and Benefits
- Very volatile of TMS-acetamides.
- More volatile than BSA or BSTFA but with similar silylation strength.
- Useful in the analysis of volatile trace materials.
- Used in the preparation of volatile and thermally stable derivatives for GC and MS analysis.
Legal Information
CERILLIANT is a registered trademark of Merck KGaA, Darmstadt, Germany
signalword
Warning
hcodes
Hazard Classifications
Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2 - STOT SE 3
target_organs
Respiratory system
Clase de almacenamiento
3 - Flammable liquids
wgk
WGK 3
flash_point_f
77.0 °F - closed cup
flash_point_c
25 °C - closed cup
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