Empirical Formula of Trimethylsilyl propionate (CAS NO.16844-98-7): C₆H₁₄O₂Si
Molecular Weight: 146.2597
Nominal Mass: 146 Da
Average Mass: 146.2597 Da
Monoisotopic Mass: 146.076306 Da 
Index of Refraction: 1.398
Molar Refractivity: 40.33 cm³
Molar Volume: 166.7 cm³
Surface Tension: 20.4 dyne/cm
Density: 0.876 g/cm³
Flash Point: 19.3 °C
Enthalpy of Vaporization: 35.28 kJ/mol
Boiling Point: 114.4 °C at 760 mmHg
Vapour Pressure: 20 mmHg at 25 °C
Storage tempreture: 0-6 °C
Structure of Trimethylsilyl propionate (CAS NO.16844-98-7):
                  
IUPAC Name: Trimethylsilyl propanoate
Canonical SMILES: CCC(=O)O[Si](C)(C)C
InChI: InChI=1S/C6H14O2Si/c1-5-6(7)8-9(2,3)4/h5H2,1-4H3
InChIKey: QVSRWXFOZLIWJS-UHFFFAOYSA-N

 Trimethylsilyl propionate (CAS NO.16844-98-7) hasn't been listed as a carcinogen by NTP, IARC, ACGIH, or CA Prop 65. And the toxicological properties have not been fully investigated.

Safety Statements: 24/25
S24/25:Avoid contact with skin and eyes.

 Trimethylsilyl propionate , its cas register number is 16844-98-7. It also can be called Trimethylsilanol propanoate ; and Silanol, trimethyl-, propanoate . It is hazardous, so the first aid measures and others should be known. Such as: When on the skin: first, should flush skin with plenty of water immediately for at least 15 minutes while removing contaminated clothing. Secondly, get medical aid. Or in the eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Then get medical aid soon. While, it's inhaled: Remove from exposure and move to fresh air immediately. Give artificial respiration while not breathing. When breathing is difficult, give oxygen. And as soon as to get medical aid. Then you have the ingesting of the product: Wash mouth out with water, and get medical aid immediately.
In addition, Trimethylsilyl propionate (CAS NO.16844-98-7) is not compatible with strong oxidizing agents, and you must not take it with incompatible materials. And also prevent it to broken down into hazardous decomposition products: Carbon monoxide, carbon dioxide.