Phosphorus

EPA Extremely Hazardous Substances List. Reported in EPA TSCA Inventory.

OSHA PEL: TWA 0.1 mg/m³
ACGIH TLV: TWA 0.1 mg/m³
DOT Classification:  4.2; Label: Spontaneously Combustible, Poison

For occupational chemical analysis use NIOSH: Elements (ICP) 7300; Phosphorus 7905.

The IUPAC name of Phosphorus is phosphane. With the CAS registry number 7723-14-0, it is also named as Red phosphorus. The product's categories are Inorganic Chemicals; Inorganics; Elemental PhosphorusMicro / Nanoelectronics; Catalysis and Inorganic Chemistry; Electronic Chemicals; Phosphorus Compounds; Pure Elements; Elemental Phosphorus; AA Standard Solutions Spectroscopy; AAS; Matrix Selection; OtherAlphabetic; P; PER - POLASpectroscopy; Reference / Calibration Standards; Single Solution; Standard Solutions, and the other registry number is 29879-37-6. Besides, it is reddish-brown powder, which is insoluble in water and denser than water. It should be kept in the water and immersed in water, with isolation from the air. In addition, it is incompatible with strong oxidizing agents, strong bases which is light and heat sensitive.

The other characteristics of this product can be summarized as: (1)H bond acceptors: 0; (2)H bond donors: 0; (3)Freely Rotating Bonds: 0; (4)Density: 2.34 g/mL at 25 °C; (5)Flash Point: 30 °C; (6)Enthalpy of Vaporization: 16.96 kJ/mol; (7)Boiling Point: 280 °C; (8)Melting point: 590 °C; (9)Vapour Pressure: 27300 mmHg at 25 °C; (10)Vapor Density: 0.02 (vs air); (11)EINECS: 231-768-7.

Preparation of Phosphorus: Please put Yellow Phosphorus in the sealed cast iron pot. And you should heat Yellow Phosphorus for several hours slight below 420 °C with isolation from the air. It would be converted to red Phosphorus.

Uses of Phosphorus: this chemical is used for the preparation of semiconductor compound and doping agent of semiconductor material. Furthermore, this chemical is used for producing matches, fireworks, and Aluminum phosphide, Phosphorus pentoxide, Phosphorus trichloride, etc. And it is the raw material of producing organic phosphorus pesticide. Additionally, it is used for the production of phosphor bronze in metallurgical industry. It is also used for deacidification of light metal and pharmaceutical.

When you are using this chemical, please be cautious about it as the following: it is highly flammable and spontaneously flammable in air. It also may explosive when mixed with oxidizing substances and cause severe burns. Moreover, it is very toxic by inhalation and if swallowed and very toxic to aquatic organisms. It is harmful to aquatic organisms, which may cause long-term adverse effects in the aquatic environment. Please keep contents under ... (there follows the name of a liquid). and under ... (there follows the name of an inert gas). And you should keep container tightly closed. In case of contact with eyes, please rinse immediately with plenty of water and seek medical advice. Aditionally, you should take off immediately all contaminated clothing. And in case of insufficient ventilation, please wear suitable respiratory equipment. Besides, in case of fire use ... (there follows the type of fire-fighting equipment to be used.). In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.). And you should avoid release to the environment and please refer to special instructions / safety data sheets.

People can use the following data to convert to the molecule structure.
(1)SMILES:P
(2)InChI:InChI=1/P
(3)InChIKey:OAICVXFJPJFONN-UHFFFAOYAC
(4)Std. InChI:InChI=1S/P
(5)Std. InChIKey:OAICVXFJPJFONN-UHFFFAOYSA-N

The toxicity data is as follows: