Phosphine - Wikipedia
网页Phosphine (IUPAC name: phosphane) is a colorless, flammable, highly toxic compound with the chemical formula P H 3, classed as a pnictogen hydride. Pure phosphine is odorless, but technical grade samples have a highly unpleasant odor like rotting fish, due to the presence of substituted phosphine and diphosphane ( P 2 H 4 ).
Phosphine | Formula, Definition, & Facts | Britannica
网页1998年7月20日 · Phosphine (PH_3), a colorless, flammable, extremely toxic gas with a disagreeable garliclike odor. Phosphine is formed by the action of a strong base or hot water on white phosphorus or by the reaction of water with calcium phosphide. Learn more about phosphine in this article.
What Is Phosphine and Why Does It Point to Extra ... - SciTechDaily
网页On September 14, 2020, an international team of astronomers announced the discovery of a rare molecule — phosphine — in the clouds of Venus. This detection could point to extra-terrestrial “aerial” life in the Venusian atmosphere. Watch our summary of the discovery.
Phosphine - American Chemical Society
网页2018年10月22日 · Phosphine, the simplest phosphorus hydride, is a colorless and extremely toxic gas. Some people think it smells like rotting fish; it reminds others of the odor of garlic. In any case, pure phosphine is actually odorless; an impurity, diphosphane (P 2 H 4), is responsible for its foul scent.
Venus’ atmosphere reveals potential signs of life - CNN
网页2024年7月29日 · Researchers’ detection of two gases, phosphine and ammonia, in the clouds of Venus raises speculation about possible life forms in the planet’s atmosphere.
Phosphine | PH3 | CID 24404 - PubChem
网页Phosphine is a respiratory tract irritant that attacks primarily the cardiovascular and respiratory systems causing peripheral vascular collapse, cardiac arrest and failure, and pulmonary edema.
Phosphine - NIST Chemistry WebBook
网页Formula: H 3 P. Molecular weight: 33.99758. IUPAC Standard InChI:InChI=1S/H3P/h1H3 Copy. IUPAC Standard InChIKey:XYFCBTPGUUZFHI-UHFFFAOYSA-N Copy. CAS Registry Number: 7803-51-2. Chemical structure: This structure is also available as a …
Phosphine Definition & Meaning - Merriam-Webster
网页1. : a colorless poisonous flammable gas PH3 that is a weaker base than ammonia and that is used especially to fumigate stored grain. 2. : any of various derivatives of phosphine …
Phosphine - Simple English Wikipedia, the free encyclopedia
网页Phosphine is a chemical compound. Its chemical name is phosphorus hydride. Its chemical formula is PH 3. It is also called phosphane and phosphamine. It contains phosphide and hydrogen ions.
Phosphine | ToxFAQs™ | ATSDR - Centers for Disease Control and …
网页Phosphine is a colorless, flammable, and explosive gas at ambient temperature that has the odor of garlic or decaying fish. Small amounts occur naturally from the break down of organic matter. It is slightly soluble in water.
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