Phosphine

From GAWDAwiki

Phosphine (PH₃) is a colorless, flammable, and toxic gas with an odor of garlic or decaying fish. It can ignite spontaneously on contact with air. The gas is shipped as a liquefied, compressed gas.^[1]

Phosphine is pyrophoric and is a very toxic gas with a TLV of 0.3ppm. Phosphine is combustible in the range of 1.2-98% and has a decaying fish like odor. Phosphine is used as a dopant gas during CVD and as an dopant source for ion implant.^[2]

References

1. http://www.atsdr.cdc.gov/mhmi/mmg177.html
2. http://www.icknowledge.com/glossary/p.html