Tetramethylsilane, min. 99.9 %, for NMR-spectroscopy, Molar mass (M) 88,22 g/mol, Density (D) 0,63 g/cm³, Flash point (flp) <-30 °C, Boiling point (bp) 26 to 27 °C, Storage temp. +4 °C, CAS No. [75-76-3], UN-Nr. 2749, EG-Nr. 200-899-1, Empirical formula C4H12Si