N-Methyl-N-(trimethylsilyl)trifluoroacetamide
ALDRICH/394866 - synthesis grade
Synonym: N-Trimethylsilyl-N-methyl trifluoroacetamide; MSTFA
CAS Number: 24589-78-4
Empirical Formula (Hill Notation): C6H12F3NOSi
Molecular Weight: 199.25
EC Number: 246-331-6
MDL Number: MFCD00000411
Linear Formula: CF3CON(CH3)Si(CH3)3
Product Type: Chemical
| assay | ≥98% |
| bp | 130-132 °C (lit.) |
| density | 1.075 g/mL at 25 °C (lit.) |
| form | liquid |
| grade | derivatization grade ((GC derivatization)) |
| synthesis grade | |
| InChI | 1S/C6H12F3NOSi/c1-10(12(2 |
| InChI key | MSPCIZMDDUQPGJ-UHFFFAOYSA |
| Quality Level | 100 ![]() |
| reaction suitability | reagent type: derivatization reagent reaction type: Silylations |
| refractive index | n |
| SMILES string | CN(C(=O)C(F)(F)F)[Si](C)( |
| storage temp. | 2-8°C |
| vapor density | >1 (vs air) |
| vapor pressure | 8.8 mmHg ( 27 °C) |
| Application: | Silylating agent used to form volatile derivatives for GC-MS analysis. Improved silylation procedure for simultaneous detection of steroid hormones 17-α-ethynylestradiol and estrone. |
| General description: | N-Methyl-N-(trimethylsilyl)trifluor |
| Other Notes: | Reagent for trimethylsilyl. |
| Packaging: | 10×1, 5, 25 mL in ampule |
| Symbol | ![]() GHS02,GHS07 |
| Signal word | Warning |
| Hazard statements | H226 - H315 - H319 - H335 |
| Precautionary statements | P210 - P302 + P352 - P305 + P351 + P338 |
| Hazard Codes | Xi |
| Risk Statements | 10-36/37/38 |
| Safety Statements | 26-36 |
| RIDADR | UN 1993C 3 / PGIII |
| WGK Germany | WGK 3 |
| Flash Point(F) | 78.8 °F - closed cup |
| Flash Point(C) | 26 °C - closed cup |
| Purity | ≥98% |
| bp | 130-132 °C (lit.) |
| Density | 1.075 g/mL at 25 °C (lit.) |
| Refractive Index | n |
| Storage Temp. | 2-8°C |
| UNSPSC | 41115710 |



