in neat (no solvent) decomp. above 9°C; not sepd., detected by spectra;

in neat (no solvent, gas phase) byproducts: C6F13BF3, CO; (CF3)3BCO at -196°C allowed to warm to room temp., stored for 4 hat ca. 22°C, cooled to -196°C, CO removed (vac.); not isolated, detected by NMR as a mixt. of BF3, C2F5BF2, C3F7BF2, C4F9BF2, C5F11BF2, C6F13BF2;

in hydrogen fluoride byproducts: CO, HCF3; HF (liquid); (CF3)3BCO condensed in vac. at -196°C, anhyd. HF added at -196°C, warmed to room temp., stirred for 1 h; not isolated, detected by IR (gas phase) and NMR (solid phase);

in hydrogen fluoride byproducts: NaHF2; HF (liquid); anhyd. HF added to B compd. at -196°C, warmed to room temp., stirred for 1 h, poured at room temp. into NaF, stirred for 10 min; evapd. (vac.), suspended in MeCN, filtered, evapd.; obtained as a mixt.;

in neat (no solvent, gas phase) byproducts: Na[C6F13BF3], Na[C7F15BF3], CO; a reactor charged with (CF3)3BCO at -196°C, warmed to room temp. and kept at this temp. for 20 h, cooled to -196°C, CO removed (vac.), the content transferred (vac.) to NaF and CH3CN at -196°C, stirred for 10 min at room temp.; filtered, evapd. (vac.); obtained as a mixt. of NaBF4, NaC2F5BF3, NaC3F7BF3, NaC4F9BF3, NaC5F11BF3, NaC6F13BF3, NaC7F15BF3.;