Trimethylstibine is an organoantimony compound with the formula Sb(CH3)3.

[2] It is synthesized by treatment of antimony trichloride and methyl Grignard reagent.

[3] It is produced by anaerobic bacteria in antimony-rich soils.

[4] In contrast to trimethylphosphine, trimethylstibine is a weaker Lewis base.

This article about an organic compound is a stub.