Appearance: Greenish-yellow compressed liquefied gas with pungent odour ; Greenish-yellow gas with a pungent, irritating odor. [Note: Shipped as a liquefied compressed gas.]
Appearance: Colorless gas ; Odourless tasteless colourless compressed gas ; Colorless, odorless gas. [Note: Shipped as a nonliquefied or liquefied compressed gas.]
BCl3 – Boron trichloride
Other names: Boron(III) chloride, Boron chloride, Trichloroborane
Appearance: Colorless gas | fumes in air ; Gas or colourless fuming liquid with pungent odour