1. Walt improvises a batch of red phosphorus that kills Emilio and incapacitates Krazy-8. 2. He exhibited his red phosphorus in 1851, at The Great Exhibition in London. 3. Red phosphorus , for example, can convert to yellow phosphorus and explode.4. This method cuts out the need for anhydrous ammonia as well as red phosphorus . 5. In the laboratory it may be more convenient to use the less toxic red phosphorus . 6. Carl Lundstrom of Sweden introduced the first red phosphorus " safety " matches in 1855. 7. Red phosphorus , used as a charring-promoter flame retardant, facilitates silver migration when present in packaging.8. Iodoalkanes may similarly be prepared using red phosphorus and iodine ( equivalent to phosphorus triiodide ). 9. Some countries have begun using red phosphorus instead. 10. Upon further heating, the amorphous red phosphorus crystallizes.