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| Name |
N-(tert-Butyldimethylsilyl)-N-methyl-trifluoroacetamide |
EINECS | -0 |
| CAS No. | 77377-52-7 | Density | 1.032 g/cm3 |
| PSA | 20.31000 | LogP | 3.01230 |
| Solubility | decomposes in water | Melting Point |
N/A |
| Formula | C9H18F3NOSi | Boiling Point | 182.6 °C at 760 mmHg |
| Molecular Weight | 241.329 | Flash Point | 64.2 °C |
| Transport Information | UN 1993 3/PG 3 | Appearance | clear colorless to slightly yellow liquid |
| Safety | 26-36-16-37/39-36/37/39 | Risk Codes | 10-36/37/38 |
| Molecular Structure |
|
Hazard Symbols |
 Xi, F
|
| Synonyms |
Mtbstfa;N-Methyl-N-(tert-butyldimethylsilyl)-1,1,1-trifluoroacetamide;N-Methyl-N-(tert-butyldimethylsilyl)trifluoroacetamide; |
N-(tert-Butyldimethylsilyl)-N-methyl-trifluoroacetamide Chemical Properties
Molecule structure of N-(tert-Butyldimethylsilyl)-N-methyl-trifluoroacetamide (CAS NO.77377-52-7):
IUPAC Name: N-[Butyl(dimethyl)silyl]-2,2,2-trifluoro-N-methylacetamide
Molecular Weight: 241.32603 [g/mol]
Molecular Formula: C9H18F3NOSi
Index of Refraction: 1.399
Molar Refractivity: 56.63 cm3
Molar Volume: 233.6 cm3
Surface Tension: 20.7 dyne/cm
Density: 1.032 g/cm3
Storage temp.: 2-8°C
Water Solubility: decomposes
Sensitive: moisture sensitive
BRN: 3606546
Flash Point: 64.2 °C
Enthalpy of Vaporization: 41.88 kJ/mol
Boiling Point: 182.6 °C at 760 mmHg
Vapour Pressure: 0.805 mmHg at 25 °C
H-Bond Acceptor: 4
Rotatable Bond Count: 4
Exact Mass: 241.110975
MonoIsotopic Mass: 241.110975
Topological Polar Surface Area: 20.3
Heavy Atom Count: 15
Canonical SMILES: CCCC[Si](C)(C)N(C)C(=O)C(F)(F)F
InChI: InChI=1S/C9H18F3NOSi/c1-5-6-7-15(3,4)13(2)8(14)9(10,11)12/h5-7H2,1-4H3
InChIKey: NEJIKZHUEMMAEF-UHFFFAOYSA-N
EINECS: -0
Product Categories: Alkyldimethylsilylation (GC Derivatizing Reagents); Analytical Chemistry; GC Derivatizing Reagents; Si (Classes of Silicon Compounds); Silylacetamides; Silylation (GC Derivatizing Reagents); Si-N Compounds
N-(tert-Butyldimethylsilyl)-N-methyl-trifluoroacetamide Safety Profile
Hazard Codes: 
Xi, 
F
Risk Statements: 10-36/37/38
R10:Flammable.
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36-16-37/39-36/37/39
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36:Wear suitable protective clothing.
S16:Keep away from sources of ignition.
S37/39:Wear suitable gloves and eye/face protection.
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.
RIDADR: UN 1993 3/PG 3
WGK Germany: 3
F: 10-21
Hazard Note: Flammable
TSCA: No
HazardClass: 3
PackingGroup: III
N-(tert-Butyldimethylsilyl)-N-methyl-trifluoroacetamide Specification
N-(tert-Butyldimethylsilyl)-N-methyl-trifluoroacetamide (CAS NO.77377-52-7) is also called N-methyl-N-(t-butyldimethylsilyl)trifluoroacetamide ; N-[tert-butyl(dimethyl)silyl]-2,2,2-trifluoro-N-methylacetamide ; N-Methyl-N-(tert-butyldimethylsilyl)trifluoroacetamide ; Mtbstfa; Acetamide, N-((1,1-dimethylethyl)dimethylsilyl)-2,2,2-trifluoro-N-methyl- . N-(tert-Butyldimethylsilyl)-N-methyl-trifluoroacetamide (CAS NO.77377-52-7) is clear colorless to slightly yellow liquid.
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