| PubChem = 24404 | EINECS = 232-260-8 | UNNumber = 2199 | RTECS = SY7525000 }} | Section2 = | Section3 = | Section7 =,,,, | SPhrases =,,,,, | NFPA-H = 4 | NFPA-F = 4 | NFPA-R = 2 | FlashPt = flammable gas | Autoignition = 38 °C (see text) }} | Section8 = }} Phosphine's the common name for phosphorus trihydride (PH3), also known by the IUPAC name phosphane and, occasionally, phosphamine. It's a colorless, flammable gas with a boiling point of −88 °C at standard pressure. Pure p… (More on Phosphine)