Molecular structure of 1-Trimethylsilyl-1,2,4-triazole (CAS NO.18293-54-4) is:

Product Name: 1-Trimethylsilyl-1,2,4-triazole
CAS Registry Number: 18293-54-4
IUPAC Name: Trimethyl(1,2,4-triazol-1-yl)silane
Molecular Weight 141.24644 [g/mol]  
Molecular Formula: C₅H₁₁N₃Si  
H-Bond Donor: 0  
H-Bond Acceptor: 2
Refractive index: n20/D 1.461(lit.)
Storage temp.: 2-8 °C
Sensitive: Moisture Sensitive
Index of Refraction: 1.502 
Molar Refractivity: 41.68 cm³ 
Molar Volume: 141 cm³
Surface Tension: 25.7 dyne/cm 
Density: 1 g/cm³ 
ash Point: 8 °C 
Enthalpy of Vaporization: 32.59 kJ/mol 
Boiling Point: 85.6 °C at 760 mmHg 
Vapour Pressure: 68.9 mmHg at 25 °C 
EINECS: 242-170-0
Product Categories: Special Silanes

Safty information about 1-Trimethylsilyl-1,2,4-triazole (CAS NO.18293-54-4) is:
Hazard Codes: F; Xi
Risk Statements: 11-36/37/38 
R11:Highly flammable. 
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 16-26 
S16:Keep away from sources of ignition. 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
RIDADR: UN 1993 3/PG 2
WGK Germany: 3
F: 10-21
TSCA: Yes
HazardClass: 3
PackingGroup: II

 1-Trimethylsilyl-1,2,4-triazole , its cas register number is 18293-54-4. It also can be called N-Trimethylsilyl-1,2,4-triazole ; 1H-1,2,4-Triazole, 1-(trimethylsilyl)- .It is a clear liquid.