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21149-38-2

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Basic Information
CAS No.: 21149-38-2
Name: BIS(TRIMETHYLSILYL) SULFATE
Article Data: 3
Molecular Structure:
Molecular Structure of 21149-38-2 (BIS(TRIMETHYLSILYL) SULFATE)
Formula: C8H18 F3 N O Si2
Molecular Weight: 257.403
Synonyms: N,N-Bis(trimethylsilyl)trifluoroacetamide
EINECS: 244-242-7
Density: 1.018 g/cm3
Melting Point: 41-44 °C(lit.)
Boiling Point: 87-90 °C4 mm Hg(lit.)
Flash Point: 27 °F
Hazard Symbols: FlammableFCorrosiveC
Risk Codes: 11-34
Safety: 16-26-36/37/39-45
Transport Information: UN 2925 4
PSA: 20.31000
LogP: 3.04710
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Chemistry


IUPAC Name: 2,2,2-Trifluoro-N,N-bis(trimethylsilyl)acetamide
Canonical SMILES: C[Si](C)(C)N(C(=O)C(F)(F)F)[Si](C)(C)C
InChI: InChI=1S/C8H18F3NOSi2/c1-14(2,3)12(15(4,5)6)7(13)8(9,10)11/h1-6H3 
InChIKey: RZYHXKLKJRGJGP-UHFFFAOYSA-N
Molecular Weight: 257.40083 [g/mol]  
Molecular Formula: C8H18F3NOSi2  
H-Bond Donor: 0  
H-Bond Acceptor: 4
EINECS: 242-192-0
Appearance:
storage temp.: 0-6 °C
Melting Point: 41-44 °C(lit.)
Index of Refraction: 1.396 
Molar Refractivity: 60.75 cm3 
Molar Volume: 252.8 cm3 
Surface Tension: 18.3 dyne/cm 
Density: 1.018 g/cm3
Flash Point: 56.6 °C 
Enthalpy of Vaporization: 40.64 kJ/mol 
Boiling Point: 170 °C at 760 mmHg 
Vapour Pressure: 1.5 mmHg at 25 °C 
Classification Code of N,O-Bis(trimethylsilyl)trifluoroacetamide (CAS NO.21149-38-2): Indicators and reagents

Safety Profile

Hazard Codes: FlammableF,CorrosiveC
Risk Statements: 11-34 
R11:Highly flammable. 
R34:Causes burns.
Safety Statements: 16-26-36/37/39-45 
S16:Keep away from sources of ignition. 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection. 
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
RIDADR: UN 2925 4.1/PG 2
WGK Germany: 3
TSCA: T
HazardClass of N,O-Bis(trimethylsilyl)trifluoroacetamide (CAS NO.21149-38-2): MOISTURE SENSITIVE, FLAMMABLE

Specification

 N,O-Bis(trimethylsilyl)trifluoroacetamide (CAS NO.21149-38-2), its Synonyms are Acetamide, 2,2,2-trifluoro-N,N-bis(trimethylsilyl)- ; Trimethylsilyl N-trimethylsilyltrifluoroacetimidate ; Bis(trimethylsilyl)trifluoroacetamide .