white phosphorus

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white phosphorus

[′wīt ′fä·sfə·rəs]
(chemistry)
The element phosphorus in its allotropic form, a soft, waxy, poisonous solid melting at 44.5°C; soluble in carbon disulfide, insoluble in water and alcohol; self-igniting in air. Also known as yellow phosphorus.
References in periodicals archive ?
The price increase is needed to help offset the volatile and rapidly escalating costs of elemental phosphorus, a key starting material for NcendX P-30 flame retardant," said Annemie Donkers, Albemarle business manager for flame retardants for circuit boards and enclosures.
This increase has become necessary due to sharp and continuing escalation in the cost of elemental phosphorus, a key component of these products, together with significant increases in other raw materials, utilities and transportation costs.
These increases are in response to unprecedented high demand for elemental phosphorus, a key raw material for these products, and to a shortage of energy in key producing regions of China," said Jan Vijverman, Albemarle business manager for polyurethane flame retardants.
This increase has become necessary due to sharp and continuing rises in the cost of elemental phosphorus, a key component of these products, together with significant increases in other raw materials, utilities and transportation costs.
The portfolio consists of elemental phosphorus and its derivatives, phosphoric acid and speciality phosphates, widely used in: agrochemicals, pharmaceuticals, surfactants, flame-retardants, lubricant additives, catalysts, etc.
Astaris is the sole supplier of elemental phosphorus for
The THERMALONOX(TM) system involves the direct injection of elemental phosphorus into exhaust gas streams emitted from fossil-fueled combustion processes.
Astaris LLC today announced two important moves in its continuing strategy of shifting the emphasis of its raw material supply from elemental phosphorus to purified phosphoric acid (PPA).