boiling point of 1-(trimethylsilyl)-1-propyne vs 1,1,2,2-tetramethyldisilane

1-(trimethylsilyl)-1-propyne 1, 1, 2, 2-tetramethyldisilane | boiling point

1-(trimethylsilyl)-1-propyne | 99.5 °C (degrees Celsius) 1, 1, 2, 2-tetramethyldisilane | 86.5 °C (degrees Celsius)