If you allow it to be exposed to the air, it will spontaneously ignite. Well, it turns out this combustible material has many uses. HI is used to convert pseudoephedrine or ephedrine to methamphetamine. Red phosphorus is nontoxic, odorless and active chemically, though not highly. food packaging and storage, toys, mobile phones), stone, plaster, cement, glass or ceramic (e.g. endstream endobj startxref In the first, ammonium sodium hydrogenphosphate is heated to produce sodium phosphite, ammonia and water. Red phosphorus is a flammable/explosive solid and must be handled with care. Occupational exposure limit (OEL) values are derived within two legal frameworks that form an integral part of the EU’s mechanism for protecting the health of workers. Release to the environment of this substance can occur from industrial use: manufacturing of the substance and formulation of mixtures. Why would anyone need red phosphorus?
For more details, see our. These regulations also affect importation, so if you're living in the United States, importation may be illegal, depending on your purpose.
inside a watch) or with very low concentrations considered not to pose risks to human health or the environment. Appearance: Red phosphorus (Red-P) is a solid at room temperature. 0000011496 00000 n The ‘Substance identity’ section is calculated from substance identification information from all ECHA databases. The refining procedure involves two reactions. 0000001923 00000 n It also has uses that aren't related to its combustibility. The type of uses and classifications may vary between different submissions to ECHA and for a full understanding it is recommended to consult the source data.
In this form, phosphorus is so unstable that it has to be kept underwater to prevent it from bursting into flames. The InfoCard summarises the non-confidential data of a substance held in the databases of the European Chemicals Agency (ECHA). This website uses cookies to ensure you get the best experience on our websites. Safety matches made with red phosphorus are also non-toxic, whereas white phosphorus was responsible for ‘phossy jaw’, a horrific industrial disease suffered by many Victorian, mainly female, match makers. It is also used in electroluminescent coatings. Release to the environment of this substance can occur from industrial use: in the production of articles, as an intermediate step in further manufacturing of another substance (use of intermediates), formulation in materials and in processing aids at industrial sites. He began writing online in 2010, offering information in scientific, cultural and practical topics. You can get small amounts of phosphorus from whole-grain bread and cereal, nuts, seeds and chocolate. The ensuing red, powdery substance is probably most famous for its use in safety matches. Phosphine, a highly poisonous gas, can be produced by careless heating of the Hi/red P mixture. pharmaceutical uses of Red-P. Role in Drug Synthesis Containers & Packaging Red phosphorus is combined with elemental iodine to produce hydriodic acid (HI). Brand's process for making white phosphorus was time-consuming. 0000004897 00000 n Conclusion. The EC Inventory is a combination of three independent European lists of substances from the previous EU chemicals regulatory frameworks (EINECS, ELINCS and the NLP-list). The main food sources of phosphorus are milk and meat – specifically chicken, pork and organ meats. The degradation from white to red phosphorus can happen spontaneously at room temperature, but it takes much longer. Counterintuitively, when mixed with plastics and resins, red phosphorus can also be used as a flame retardant. ECHA organises consultations to get feedback from all interested parties and to gather the widest possible range of scientific information for the regulatory processes. 0000007646 00000 n Information on applicable regulatory frameworks is also automatically generated and may not be complete or up to date. h��[Yo��+�h���0Ȣ��r�d�kq--@-r D�>�U�s풒H@kf����꺺ۛNt�v2t�u��}�u�|�R�w>�A�.z�6tA҃����U]���낡� L�E��뤖Vw�Ӄ�T�Z֎�j���H-C�֫��Ͽ���;����7_����zw�?����zw8��\��{��?�}�������/WW���{G?w��S����5^�z����jw�F��������o�;/��b� The CAS number is the substance numerical identifier assigned by the Chemical Abstracts Service, a division of the American Chemical Society, to substances registered in the CAS registry database.
Please upgrade your Internet Explorer to a newer version. Guidance on safe use - recommendations by substance registrant on the proper use of the substance in various situations. Please note: Precautionary measures and guidance on safe use concern the use and handling of the specific substance as such, not of the presence of the substance in other articles or mixtures. If at least one company has indicated that the substance classification is affected by impurities or additives, this will be indicated by an informative sentence. The substance identifiers displayed in the InfoCard are the best available substance name, EC number, CAS number and/or the molecular and structural formulas.
InfoCards are generated automatically based on the data available at the time of generation. Its most problematic use has therefore been in incendiary devices: this particularly cruel weapon is illegal to use on civilians, but nonetheless has allegedly been used as recently as 2017 by the Russian-Syrian alliance in Syria and 2005 by the US-led coalition forces in Iraq. When information is available in all sources, the first two are displayed as a priority. Phosphorus is a chemical element with the symbol P and atomic number 15. disodium tetraborate EC no. 0000033514 00000 n Red phosphorus, white phosphorus, and hypophosphorous acid are List I chemicals under federal law. HI is a toxic and strong irritant and contact must be minimized. Other release to the environment of this substance is likely to occur from: outdoor use in long-life materials with low release rate (e.g. 73 0 obj <>/Filter/FlateDecode/ID[<3C57074DFE920D478B33DB50C0D40718><39DA80D07C49774782EF4E120F12D250>]/Index[50 42]/Info 49 0 R/Length 102/Prev 55081/Root 51 0 R/Size 92/Type/XRef/W[1 2 1]>>stream 0000135386 00000 n
You can obtain it by boiling urine with The information is aggregated from the data coming from REACH substance registrations provided by industry. If the substance was not covered by the EC Inventory, ECHA attributes a list number in the same format, starting with the numbers 6, 7, 8 or 9. cutlery, pots, toys, jewellery) and rubber (e.g.
A concentrated form of the acid is combined with a certain type of charcoal over flame to distill white phosphorus.
A substance is added that will bind to the meth, and the liquid meth is then drained out. 0000113028 00000 n A substance identified primarily by an EC or list number may be linked with more than one CAS number, or with CAS numbers that have been deleted. Here you can find all of the regulations and regulatory lists in which this substance appears, according to the data available to ECHA. Close Find out more on how we use cookies.
Bat guano is also rich in phosphorus and makes a good fertilizer. It was discovered in the 1800s and has a variety of applications. He was the first to refine phosphorus from urine, and he gave it the name phosphorus (light bearer) because it glowed in the dark. The CLP Regulation uses the UN Global Harmonised System (GHS) and European Union Specific Hazard Statements (EUH). Black phosphorus (BP) has attracted increasing attention for cancer therapy because of its good biocompatibility and biodegradability and high photothermal conversion efficiency.
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