Red phosphorus is an allotrope of phosphorus. It is an amorphous polymeric red solid that is stable in air. It can be easily converted from white phosphorus...

most common allotropes being white phosphorus and red phosphorus. With 31P as its only stable isotope, phosphorus has an occurrence in Earth's crust of...

Elemental phosphorus can exist in several allotropes, the most common of which are white and red solids. Solid violet and black allotropes are also known...

into red phosphorus), and impure white phosphorus is for this reason called yellow phosphorus. White phosphorus is the first allotrope of phosphorus, and...

manufacture of red phosphorus after Schrötter's discoveries became known. By 1851, his company was producing the substance by heating white phosphorus in a sealed...

Phosphorus triiodide (PI3) is an inorganic compound with the formula PI3. A red solid, it is too unstable to be stored for long periods of time; it is...

White phosphorus munitions are weapons that use one of the common allotropes of the chemical element phosphorus. White phosphorus is used in smoke, illumination...

combustion of phosphorus in a limited supply of air at low temperatures. P4 + 3 O2 → P4O6 By-products include red phosphorus suboxide. Phosphorus trioxide...

to alkyl bromides. PBr3 is prepared by treating red phosphorus with bromine. An excess of phosphorus is used in order to prevent formation of PBr5: P4...

Phosphorus sulfides comprise a family of inorganic compounds containing only phosphorus and sulfur. These compounds have the formula P4Sn with n ≤ 10...

Rauchsichtzeichen Orange DM25 KM smoke hand grenade SPIRCO Red Phosphorus Smoke Hand Grenade L84A3 Red Phosphorus Smoke Hand Grenade Rheinmetall KM smoke hand grenade...

the 1840s red phosphorus was discovered, which was more stable when exposed to the air. This meant matches could be made without any phosphorus, with a...

Formulations vary, but one consists of 67% potassium chlorate, 27% red phosphorus, 3% sulfur, and 3% calcium carbonate. It is named for Sir William Armstrong...

1965. The weapon consisted of three compressed sections of incendiary red phosphorus contained in a projectile with a time fuse and bursting/scattering charge...

as phosphorus necrosis of the jaw, was an occupational disease affecting those who worked with white phosphorus (also known as yellow phosphorus) without...

synthesized by pharmacologist Akira Ogata via reduction of ephedrine using red phosphorus and iodine. The sympathomimetic properties of amphetamine were unknown...

to be adjusted. One of the approaches is using an aerosol of burning red phosphorus particles and aluminium-coated glass fibers; the infrared emissions...

the ejected containers. These payloads contain red phosphorus as an energetic filler. The red phosphorus is mixed with organic binders to give brushable...

transitions in phosphorus are reversible: upon releasing high pressure, black phosphorus gradually converts into the red phosphorus, and by vaporizing red phosphorus...

tetrachloride solution. Careful reduction of phosphorus pentoxide with red phosphorus at 450-525 °C also produces phosphorus tetroxide. http://www.wiley...

paired with the ELCAN SpecterOS 4× Lightweight Day Sight (LDS) with a mini-red dot sight (MRD) mounted on the top and a foregrip with an integrated bipod...

theater. During a 1945 bombing mission over Koriyama, Japan, a white phosphorus bomb prematurely ignited in his aircraft and seriously wounded him. As...

synthesise methamphetamine in a crystallized form. Ogata blended the red phosphorus and ephedrine, which is derived from an Asian herbal plant, to produce...

Initially they were made of white phosphorus. In 1946 Bryant & May began making safety matches in Australia, using red phosphorus as the striking surface. The...

White phosphorus (WP) 9 M261 Multi-purpose submunition (MPSM) 13.5 lb (6.1 kg) 9 M73 (Grenade) Submunitions M439 with M84 electric detonator 9 M264 Red phosphorus...

until the invention of amorphous (red) phosphorus in 1845. Carl Lundstrom of Sweden introduced the first red phosphorus "safety" matches in 1855. These...

heating white phosphorus in an aqueous solution of potash (potassium carbonate). Perhaps because of its strong association with elemental phosphorus, phosphine...

streamers and emits a popping sound. The charge is often composed of red phosphorus and strong oxidizer, such as potassium chlorate and potassium perchlorate...

maintain distinct allotropes in different physical phases; for example, phosphorus has numerous solid allotropes, which all revert to the same P4 form when...

chlorine with acetic acid in the presence of a suitable catalyst such as red phosphorus. This reaction is Hell–Volhard–Zelinsky halogenation. CH 3COOH + 3 Cl...