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White phosphorus, yellow phosphorus, or simply tetraphosphorus (P 4) is an allotrope of phosphorus. It is a translucent waxy solid that quickly yellows in light (due to its photochemical conversion into red phosphorus ), [ 2 ] and impure white phosphorus is for this reason called yellow phosphorus.
If on the other hand the toxic properties of white phosphorus are specifically intended to be used as a weapon, that, of course, is prohibited, because the way the convention is structured or applied, any chemicals used against humans or animals that cause harm or death through the toxic properties of the chemical are considered chemical weapons.
White phosphorus is the least stable, the most reactive, the most volatile, the least dense and the most toxic of the allotropes. White phosphorus gradually changes to red phosphorus, accelerated by light and heat. Samples of white phosphorus almost always contain some red phosphorus and accordingly appear yellow.
Produced from phosphate embedded in rocks, white phosphorus is a toxic substance that’s used in fertilizers, cleaning compounds as well as military tools and weapons, according to the Centers ...
The Pentagon recommended providing the white phosphorus shells to Ukraine as part of several aid packages, including a recent one, as a Presidential Drawdown Authority, according to the officials.
It can cause “excruciating burns and lifelong suffering,” a Human Rights Watch spokesperson said.
The patient was a female Viennese matchstick maker who had been exposed to the phosphorus vapors over a five-year period. [10] [11] He named the disease "Phosphorimus chronicus". [3] In 1844 Lorinser reported 22 cases of phossy jaw and established the toxic effects of white phosphorus in matchsticks. [12]
The last time Lebanese farmer Zakaria Farah stepped onto his fields outside the southern town of Qlayaa was in January - but it was not to plant. After bagging up the earth, Farah, 30, sent half-a ...