1-9 A-D E-G H-M N-P Q-S T-Z




CAS NUMBER: 298-07-7


EC NUMBER: 206-056-4



SYNONYMS:2-ethylhexyl phosphate; 2-Ethylhexyl dihydrogen phosphate; 2-ETHYLHEXYL DIHYDROGEN PHOSPHATE; 1070-03-7; Ethylhexyl acid phosphate; Phosphoric acid, mono(2-ethylhexyl) ester; 2-Ethylhexyl acid phosphate; Mono(2-ethylhexyl)phosphate; (2-Ethylhexyl)orthophosphate; Mono(2-ethylhexyl) phosphate; HSDB 2594; Phosphoric Acid 2-Ethylhexyl Ester; EINECS 213-967-0; NSC 41916; NSC 62313; Phosphoric acid, 2-ethylhexyl ester; Phosphoric Acid 2-Ethylhexyl Ester(Mono-and Di-Ester mixture); (2-ETHYLHEXYL)OXYPHOSPHONIC ACID; Phosphoric acid,mono(2-ethylhexyl) ester; 2-ethylhexylphosphate; 1-Hexanol, 2-ethyl-, phosphate (6CI); ACMC-1BP0M; DSSTox_CID_7740; 2-Ethyl Hexanol Phosphate; 2-ethylhexyl phosphoric acid; DSSTox_RID_78553; NCIOpen2_002565; DSSTox_GSID_27740; Phosphoric acid 2-ethylhexyl; KSC182K3L; SCHEMBL163886; AC1L230N; CHEMBL3182035; DTXSID8035184; CTK0I2535; 2-ethylhexyl phosphate AldrichCPR; LJKDOMVGKKPJBH-UHFFFAOYSA-N; MolPort-006-112-852; 2-ethylhexyl phosphate, AldrichCPR; NSC41916; NSC62313; mono-(2-ethylhexyl) phosphoric acid; Tox21_202126; NSC-41916; NSC-62313; AKOS028109727; KS-00000Z21; NCGC00249171-01; NCGC00259675-01; AN-18366; AN-19666; LP066577; OR011537; SC-65413; 1-Hexanol, 2-ethyl-, dihydrogen phosphate; CAS-12645-31-7; LS-107863; TC-165452; FT-0735584; 1-Hexanol, 2-ethyl-, dihydrogen phosphate (7CI); C-54388; I14-108440; 163447-53-8; Bis(2-ethylhexyl) phosphate for synthesis; Bis(2-ethylhexyl) phosphate; 2-Ethylhexyl phosphate; Bis(2-ethylhexyl) phosphate, 95%; 2-Ethylhexyl Phosphate; Di-(2-ethylhexyl)phosphoric acid; P-204;DEPHA;HDEHP;dehpa;HDEHPA;NA 1902;TOPS 99;D-2-EHPA;escaid100;dehpaextractant; Phosphoric acid 2-ethylhexyl ester;Phosphorsäure, 2-Ethylhexylester (German); ácido fosfórico, 2-etilhexil éster (Spanish); Acide phosphorique, ester d'éthyl-2 hexyle (French); Bis(2-ethylhexyl)hydrogen phosphate; 1S/C16H35O4P/c1-5-9-11-15(7-3)13-19-21(17,18)20-14-16(8-4)12-10-6-2/h15-16H,5-14H2,1-4H3,(H,17,18); SEGLCEQVOFDUPX-UHFFFAOYSA-N; Bis(2-ethylhexyl)hydrogen phosphate; di(2-Ethylhexyl)phosphoric acid; Bis-(2-ethylhexyl) phosphate; di-(2-Ethylhexyl)-phosphate; Phosphoric acid, bis(2-ethylhexyl) ester; Bis(2-ethylhexyl)orthophosphoric acid; Bis(2-ethylhexyl)phosphoric acid; Dehpa extractant; Di(2-ethylhexyl)orthophosphoric acid; 2-Ethyl-1-hexanol hydrogen phosphate; Hdehp; Kyselina di-(2-ethylhexyl)fosforecna; D 2EHPA; Di-2-ethylhexyl hydrogen phosphate; Hydrogen bis(2-ethylhexyl) phosphate; Bis(2-ethylhexyl) phosphate; DIPHENYL-2-ETHYLHEXYL PHOSPHATE; OCTICIZER; DIPHENYL OCTYL PHOSPHATE, ISO; 2-ETHYLHEXYL DIPHENYL PHOSPHATE; OCTYL DIPHENYL PHOSPHATE, ISO; DIPHENYL 2-ETHYLHEXYL PHOSPHATE; PHOSPHORIC ACID, 2-ETHYLHEXYL DIPHENYL ESTER; Di(2-ethylhexyl)phosphate; Bis(2-ethylhexyl)hydrogen phosphate; Bis(isooctyl)phosphate; Dioctylphosphate; Bis(2-ethylhexyl)orthophosphoric acid; 2-Ethylhexyl Acid Phosphat; bis-2-ethylhexyl-phosphate; Bis(2-ethylhexyl) phosphate for synthesis; Bis(2-ethylhexyl) phosphate ≥95%; ‘Dioctyl' phosphate, Bis(2-ethylhexyl) hydrogen phosphate, Di(2-ethylhexyl) phosphate, HDEHP, HDEHPA; TRIS(2-ETHYLHEXYL) PHOSPHATE; JACC REPORT 20 - TRIS(2-ETHYLHEXYL)PHOSPHATE; BIS(2-ETHYLHEXYL)PHOSPHATE; MONO(2-ETHYLHEXYL)PHOSPHATE; Tris-/Bis-/Mono-(2-ethylhexyl)Phosphate; Tris (2-ethylhexyl) Phosphate; DI-(2-ETHYLHEXYL)PHOSPHORIC ACID; Tris(2-ethylhexyl) phosphate; bis(2-ethylhexyl)phosphate; 98%; Tris (2-ethylhexyl) phosphate; tris(2-Ethylhexyl) Phosphate; Tris(2-ethylhexyl) phosphate; DI(2-ETHYLHEXY)PHOSPHORIC ACID; 'Dioctyl' phosphate, Bis(2-ethylhexyl) hydrogen phosphate, Di(2-ethylhexyl) phosphate, HDEHP, HDEHPA, Bis(2-ethylhexyl) phosphate; Di-2-Ethylhexyl Phosphate; 2-Ethylhexyl diphenyl phosphate; Triactyl phospahte, Triethylhexyl phosphate, Phospharic acid, Tris(2-ethylhexyl ester, TOF, 2-Ethylhexanol, 2-ethyl 1-hexanol phosphate, Tris(2-ethylhexylphosphate), Fosfato de tris ( 2-etilhexilo) ,TEHP; AmgardTOF; flexoltof; Flexol TOF;NCI-C54751; kronitextof; DisflamolTOF; Kronitex tof; disflamolltof; Disflamoll TOF ; Tris(2-ethylhexyl) phosphate; 78-42-2; Disflamoll TOF; Tris(2-ethylhexyl)phosphate; Flexol TOF; Flexol plasticizer TOF ; Trioctyl phosphate; Triethylhexyl phosphate; Phosphoric acid, tris(2-ethylhexyl) ester; TOF; 2-Ethylhexanol, phosphate Triester; 2-Ethyl-1-hexanol phosphate; Tris(2-ethylhexyl)phosphate; Tris(2-ethylhexyl)phosphat ; Fosfato de tris(2-etilhexilo) ; Phosphate de tris(2-éthylhexyle) ; 2-Ethylhexyl phosphate ; 2-Ethylhexyl phosphate ; 2-Ethyl hexyl phosphate ; 2 Ethylhexyl phosphate ; 2-Ethylhexylphosphate ; 2 Ethyl hexyl phosphate ; Tris 2 etil hekzil fosfat , Tris 2etilhekzil fosfat ; Tris ; 2 ; etil ; hekzil ; fosfat ; 2 etilekzil fosfat ; Tris 2 etilhekzil fosfat ; Trisetilhekzilfosfat ; Tris iki etil hekzil fosfat ; 2-ETHYLHEXYL PHOSPHATE ; 2-ETHYLHEXYL PHOSPHATE ; 2-ETHYL HEXYL PHOSPHATE ; 2 ETHYLHEXYL PHOSPHATE ; 2-ETHYLHEXYLPHOSPHATE ; 2 ETHYL HEXYL PHOSPHATE ; TRİS 2 ETİL HEKZİL FOSFAT , TRİS 2ETİLHEKZİL FOSFAT ; TRİS ; 2 ; ETİL ; HEKZİL ; FOSFAT ; 2 ETİLEKZİL FOSFAT ; TRİS 2 ETİLHEKZİL FOSFAT ; TRİSETİLHEKZİLFOSFAT ; TRİS İKİ ETİL HEKZİL FOSFAT ; Phosphoric Acid ; Trioctyl Ester ; Phosphoric acid, tris(2-ethylhexyl) ester; Disflamoll TOF; Flexol TOF; Phosphoric acid, tris(ethylhexyl) ester; Tri(2-ethylhexyl) phosphate; Tris(ethylhexyl) phosphate; Tris(2-ethylhexyl) phosphate;TOF; 1-Hexanol, 2-Ethyl-, phosphate; Flexol plasticizer TOF; NCI-C54751; Tri(ethylhexyl) phosphate; 2-Ethyl-1-hexanol phosphate; 2-Ethylhexanol, phosphate triester; Kronitex tof; Tris-(2-ethylhexyl)fosfat; 2-Ethylhexoic acid; AmgardTOF; DisflamolTOF; Octyl phosphate; Tri; Phosphate de tris(2-éthylhexyle); Phosphoric acid, tris(2-ethylhexyl) ester ; Phosphoric acid, tris(2-ethylhexyl)ester; Tri(2-ethylhexyl) phosphate; Tri(2-ethylhexyl)phosphate; Tris(2-ethylhexyl) phosphate ; Tris(2-ethylhexyl)phosphat ; [78-42-2]; 1-Hexanol, 2-ethyl-, phosphate; 201-116-6 ; 235-741-0 ; 2-ETHYL-1-HEXANOL PHOSPHATE; 2-Ethylhexanol phosphate ; 2-Ethylhexanol, phosphate triester; 78-42-2 ; Amgard TOF; disflamoll tof; Flexol plasticizer TOF; flexol tof; kronitex tof; MFCD00009491 [MDL number]; phosphoric acid tris-(2-ethylhexyl) ester; Phosphoric acid tris(2-ethylhexyl) ester; Phosphoric acid, tris (2-ethylhexyl) ester; Phosphoric acid, tris(ethylhexyl) ester; TOF; tri-(2-ethylhexyl) phosphate; Tri(ethylhexyl) phosphate; triethylhexyl phosphate; trioctyl phosphate ; Tris phosphate; Tris(2-ethylhexy)phosphate; Tris-(2-ethylhexyl)fosfat ; TRIS(2-ETHYLHEXYL)PHOSPHATE; Tris(ethylhexyl) phosphate; Tris-2(2-ethylhexyl)fosfat ; WLN: 4Y2&1OPO&O1Y4&2&O1Y4&2; 17723.22 BIS(2-ETHYLHEXYL) PHOSPHATE, 95%; 2-ETHYLHEXYL 2-ETHYLHEXYL PHOSPHATE (P-507); 17723.22 BIS(2-ETHYLHEXYL) PHOSPHATE, 95%; DISFLAMOLL TOF-(TRIS- 2 ETHYLHEXYL PHOSPHATE); M 370 (TRIS(2-ETHYLHEXYL)PHOSPHAT(FOR CAPTIVE USE) ORIGIN: GERMANY; DISFLAMOLL TOF (TRIS(2-ETHYLHEXYL) PHOSPHATE)-ACTUAL USER; 237825-100G BIS(2-ETHYLHEXYL) HYDROGEN PHOSPHATE, 97 [ORGANIC CHEMICAL]; 2-ETHYLHEXYL 2-ETHYLHEXYL PHOSPHATE) (P-507); 2-ETHYLHEXYL 2-ETHYLHEXYL PHOSPHATE (P507); 2-ETHYLHEXYL 2-ETHYLHEXYL PHOSPHATE (P507); 237825-25G BIS 2 ETHYLHEXYL HYDROGEN PHOSPHATE 97 (ORGANIC CHEMICAL); 2-ETHYLHEXYL 2-ETHYLHEXYL PHOSPHATE (P-507); BIS(2-ETHYLHEXYL) PHOSPHATE FOR SYNTHESIS; DISFLAMOLL TOF -(TRIS- 2 ETHYLHEXYL PHOSPHATE); DISFLAMOLL TOF -(TRIS- 2 ETHYLHEXYL PHOSPHATE); SEGLCEQVOFDUPX-UHFFFAOYAP; 1-Hexanol,2-Ethyl-, Hydrogen Phosphate (7ci);2-Ethyl-1-Hexanol Hydrogen Phosphate;A208; Bis(2-Ethylhexyl) Hydrogen Phosphate;Bis(2-Ethylhexyl)Orthophosphate;Bis(2-Ethylhexyl) Phosphate; D 2ehpa;Di(2-Ethylhexyl) Phosphate; Di(2-Ethylhexyl)Phosphoric Acid;Di-2-Ethylhexyl Hydrogen Phosphate; Dioctylhydrogen Phosphate;Hdehp; Hdehpa; Hostarex Pa 216;Hydrogen Bis(2-Ethylhexyl) Phosphate; Jb 58;Lb 58;O,O-Bis(2-Ethylhexyl)Phosphoric Acid; O,O-Di(2-Ethylhexyl)Phosphoric Acid;Orthophosphoric Acid 2-Ethylhexyl Alcohol Diester;Bis(2-Ethylhexyl)Hydrogen Phosphate;DEHPA;HDEHP;D2EHPA; 2-ethylhexyl phosphate; Bis(2-ethylhexyl) phosphate, 95%; Tris(2-ethylhexyl) phosphate; tris(2-ethylhexyl) phosphate; Alfa AesarTM Bis(2-ethylhexyl) phosphate, 95%; InChI=1S/C8H19O4P/c1-3-5-6-8(4-2)7-12-13(9,10)11/h8H,3-7H2,1-2H3,(H2,9,10,11); LJKDOMVGKKPJBH-UHFFFAOYSA-N;








Mono and dibasic phosphate esters produced by the reaction of either alcohols, alcohol ethoxylates or phenyl ethoxylates with polyphosphoric acid or phosphorous pentoxide are anionic surfactants which have the main feature of the stability in alkaline conditions over other surfactants. They have a wide range of properties including outstanding wetting, emulsification, lubrication, coupling activity and detergency. They exhibit the properties of anti-wear and corrosion inhibition either as free esters or in the forms of metal and amine salts. They are used in:
Heavy duty alkaline cleaning products
Laundry Detergents
Emulsion polymerisation
Textile auxiliaries
Acid cleaners
Metal working fluids
Water based lubricants
Intermediate for the synthesis of other anionic surfactants
Phosphoric acid alkyl esters are used as alkylation agent for nitrogen heterocyclic compounds and as catalysts to produce phenolic and urea resins. They are used flame retarding plasticizers for cellulose esters, lacquers, plastic and vinyl resins as well as as dispersing agents in plastisols. They are used as solvents in liquid-liquid extractants or seperation agent of metals. They are is used as heat exchange media and as pigment grinding assistants and antifoam agents.




Phosphoric acid is a phosphorus-containing inorganic acid made up of phosphorus, oxygen, and hydrogen. In a broardened term, it includes the monomeric (orthophosphoric acid), dimeric (pyrophosphoric acid), and polymeric (metaphosphoric acid) forms of the acid. Phosphoric acid commonly indicates the monomeric form orthophosphoric acid. On heating to about 225 C, it dehydrates to form pyrophosphoric acid and to metaphosphoric acid (2HPO3 = P2O5.H2O) at higher temperatures. Pyrophosphates are salts of pyrophosphoric acid and metaphosphates are salts of metaphosphoric acid. Two molecules of orthophosphoric acid are formed when three molecules of water are added to one molecule of phosphorus pentoxide (2H3PO4 = P2O5.3H2O). The pyrophosphates are formed by the loss of 1 molecule of water from 2 moles of an orthophosphate. Pure orthophosphoric acid is a crystalline solid; melting point 42 C; soluble in alcohol, and very soluble in water. Phosphoric Acid violently polymerizes under the influence of azo compounds, epoxides and other polymerizable compounds. It forms toxic fumes of phosphorous oxides when combusted. It is a medium strong acid and attacks metals to release flammable hydrogen gas. Decomposition may occur on contacting with alcohols, aldehydes, cyanides, ketones, phenols, esters, sulfides, halogenated organics compounds.
Phosphoric acid is essential in the body organism as the constituent of bones and teeth as well as in many metabolic process of carbohydrate, fat and protein. Phosphoric acid is abundant in natural foods as the form of free phosphoric acid itself or as the mineral salts (potassium, sodium or calcium). Phosphoric acid is used to acidify foods and beverages. But the continuous and excessive absorption of beverages particularly Coca Cola and Pepsi Cola which contain large amount of phosphoric acid should be limited. Phosphate excretion takes place in the form of calcium phosphate. The excessive amounts of phosphoric acid in the body may cause calcium deficiency which causes poor teeth and weak bone density (osteoporosis). Phosphoric acid is used in pharmaceutical preparations as a solvent and as a gastric acidifier orally. Phosphoric acid is important raw material in industrial field. It is a tribasic acid (having three replaceable hydrogen atoms) which can forms phosphates with either one, two, or all three of the hydrogens by replacing with some other positive ion. It is used in making fertilizers, electrolytes, electroplating and derusting solutions. It is used in the manufacture of industrial cleaning products, other inorganic and organic phosphoric chemicals, foundry resins, paints, enamels and refractory, antifreeze productions, and textile process materials. It is used in water treatment. Food grade phosphoric acid is used; as a acidulation in soft drink (particularly cola); ph control in imitation jellies; nutrient in production of yeast; bacteria growth control in selected processed foods; flocculating agent for clarification of sugar juices after liming process.

Phosphorous acid: a diprotic acid which contains one hydrogen bonded directly to the central phosphorus atom and two hydrogens bonded to oxygen
Phosphite:any salt, ester or anion of phosphorous acid
Phosphate: any salt, ester or anion of phosphoric acid
Phosphide: any binary compound of phosphorus with another element or radical
Phosphine: binary compound of phosphorus with hydrogen or organic compounds derived from this
One of the important phosphates is calcium phosphate, Ca3(PO4)2. The most important phosphorus fertilizer is monobasic calcium phosphate, called superphosphate[Ca(H2PO4)2], derived by treating rock phosphate with sulfuric acid (or phosphoric acid). Superphosphate is soluble in water and acts as a carrier of phosphorus needed by plants. Dibasic calcium phosphate (CaHPO4) is used in pharmaceuticals, animal feeds, and toothpastes. Tribasic calcium phosphate, [Ca3(PO4)2] is used as a fertilizer and as a plastics stabilizer. Other important inorganic phosphates include ammonium phosphate [(NH4)2HPO4] used as a fertilizer and fire retardant; trisodium phosphate used in detergents and for softening water; mono and disodium phosphate used for dispersion, sequestration, scale inhibition and preparing baking powders. The salt forms of phosphate polymers is used as a sequestering agent. As phosphate polymers themselves are hydrated in water at high temperature or high pH, and thereby revert to a more simple and stable phosphate form, which can no longer sequester metal ions.

Mono and dibasic phosphate esters produced by the reaction of either alcohols, alcohol ethoxylates or phenyl ethoxylates with polyphosphoric acid or phosphorous pentoxide are anionic surfactants which have the main feature of the stability in alkaline conditions over other surfactants. They have a wide range of properties including outstanding wetting, emulsification, lubrication, coupling activity.




Alkollerin, alkol etoksilatların veya fenil etoksilatların polifosforik asit veya fosfor pentoksit ile reaksiyonuyla üretilen mono ve dibazik fosfat esterleri, alkalin koşullarda diğer yüzey aktif cisimlere kıyasla stabilite ana özelliğine sahip olan anyonik sürfaktanlardır. Seçkin ıslatma, emülsifikasyon, yağlama, bağlanma aktivitesi ve deterjan gibi geniş bir yelpazeye sahiptirler. Serbest esterler halinde veya metal ve amin tuzları biçiminde aşınma önleyici ve korozyon önleme özelliklerini sergilerler. Bunlar içinde kullanılırlar:
Ağır hizmet alkalin temizleme ürünleri
Çamaşır deterjanları
Emülsiyon polimerizasyonu
Tekstil yardımcıları
Asit temizleyiciler
Metal işlenme sıvıları
Su bazlı yağlayıcılar
Diğer anyonik sürfaktanların sentezi için ara madde
Fosforik asit alkil esterleri azot heterosiklik bileşikler için alkilasyon ajanı ve fenolik ve üre reçineleri üretmek üzere katalizörler olarak kullanılır. Bunlar, selüloz esterleri, lake, plastik ve vinil reçineler için yanı sıra plastisollerde dağıtıcı maddeler olarak alev geciktirici plastikleştiricilerdir. Sıvı-sıvı özütleyicilerin veya metallerin ayrıştırıcı ajanlarının solventleri olarak kullanılırlar. Bunlar, ısı değişim ortamı ve pigment öğütme yardımcıları ve köpük önleyici maddeler olarak kullanılırlar.





Fosforik asit fosfor, oksijen ve hidrojenden oluşan bir fosfor içeren inorganik asittir. Bir terimle, asidin monomerik (ortofosforik asit), dimerik (pirofosforik asit) ve polimerik (metafosforik asit) formlarını içerir. Fosforik asit yaygın olarak monomerik formu ortofosforik asit gösterir. Yaklaşık 225 ° C'ye ısıtıldıktan sonra, yüksek sıcaklıklarda pirofosforik asit ve metafosforik asit (2HPO3 = P2O5.H20) oluşturmak üzere kurutulur. Pirofosfatlar pirofosforik asidin tuzlarıdır ve metafosfatlar metafosforik asidin tuzlarıdır. Bir molekül fosfor pentoksite (2H3PO4 = P2O5.3H20) üç su molekülü eklendiğinde iki ortofosforik asit molekülü oluşur. Pirofosfatlar 2 mol ortofosfattan 1 molekül su kaybıyla oluşturulur. Saf ortofosforik asit kristalin bir katıdır; erime noktası 42 ° C; alkol içinde çözünür ve suda çok çözünür. Fosforik Asit azo bileşikleri, epoksitler ve diğer polimerize olabilen bileşiklerin etkisi altında şiddetle polimerleşir. Yanarken toksik fosfor oksitler oluşturur. Orta güçlü bir asittir ve yanıcı hidrojen gazı serbest bırakmak için metallere saldırır. Ayrışma alkoller, aldehitler, siyanürler, ketonlar, fenoller, esterler, sülfidler, halojenli organik bileşiklerle temas halinde oluşabilir.
Fosforik asit, karbonhidrat, yağ ve proteinin birçok metabolik sürecinin yanı sıra, kemiklerin ve dişlerin oluşturucu olarak vücut organizması için gereklidir. Fosforik asit, serbest fosforik asidin kendisi veya mineral tuzları (potasyum, sodyum veya kalsiyum) olarak doğal gıdalarda bol miktarda bulunur. Fosforik asit gıdalar ve içecekleri asitleştirmek için kullanılır. Fakat özellikle çok miktarda fosforik asit içeren Coca Cola ve Pepsi Cola içeceklerinin sürekli ve fazla emilmesi sınırlı olmalıdır. Fosfat atılımı kalsiyum fosfat şeklinde gerçekleşir. Vücutta aşırı miktarda fosforik asit kötü dişlere ve zayıf kemik yoğunluğuna (osteoporoz) neden olan kalsiyum eksikliğine neden olabilir. Fosforik asit, farmasötik müstahzarlarda bir çözücü ve mide asidik asidi olarak sözlü olarak kullanılır. Fosforik asit, endüstriyel alanda önemli bir hammaddedir. Bir tribazik asittir (üç değiştirilebilir hidrojen atomuna sahiptir), hidrojenlerin bir, iki veya üçü ile fosfat oluşturabilen diğer bazı pozitif iyonlarla yer değiştirir. Gübreler, elektrolitler, elektrokaplama ve kökten arındırma çözeltileri yapımında kullanılır. Endüstriyel temizlik ürünleri, diğer inorganik ve organik fosforik kimyasallar, döküm reçineleri, boyalar, emayeler ve refrakter, antifriz ürünleri ve tekstil proses malzemeleri imalatında kullanılır. Su arıtımında kullanılır. Gıda sınıfı fosforik asit kullanılır; meşrubatta (özellikle kolada) asitleştirici olarak; taklit jölelerinde ph kontrolü; maya üretiminde besin maddesi; seçilen işlenmiş gıdalarda bakteri üremesi kontrolü; kireçleme işleminden sonra şeker suları temizlemek için topaklaştırıcı madde.

Fosfor asidi: direkt olarak merkezi fosfor atomuna bağlı bir hidrojen ve oksijene bağlı iki hidrojen içeren bir diprotic asit
Fosfit: herhangi bir tuz, ester veya fosfor asidi anyonu
Fosfat: herhangi bir tuz, ester veya fosforik asit anyonu
Phosphide: başka bir element veya radikal ile fosforun herhangi bir ikili bileşiği
Fosfin: fosforun ikili bileşik, hidrojen veya bununla elde edilen organik bileşikler
Önemli fosfatlardan biri kalsiyum fosfat, Ca3 (PO4) 2 dir. En önemli fosfor gübresi, kaya fosfatını sülfürik asit (veya fosforik asit) ile muamele ederek elde edilen, süperfosfat [Ca (H2PO4) 2] olarak adlandırılan monobazik kalsiyum fosfattır. Süperfosfat su içinde çözünür ve bitkiler tarafından ihtiyaç duyulan bir fosfor taşıyıcısı olarak işlev görür. Dibazik kalsiyum fosfat (CaHPO4) ilaç, hayvan yemi ve diş macunlarında kullanılır. Tribazik kalsiyum fosfat [Ca3 (PO4) 2] gübre olarak ve plastik stabilizatör olarak kullanılır. Diğer önemli inorganik fosfatlar, bir gübre ve ateş önleyici olarak kullanılan amonyum fosfat [(NH4) 2HPO4]; deterjanlarda ve su yumuşatmada kullanılan trisodyum fosfat; mono ve disodyum fosfat dispersiyon, sekestrasyon, kireç önleme ve fırın tozlarının hazırlanması için kullanılır. Fosfat polimerlerinin tuz formları, bir kenetleme maddesi olarak kullanılır. Fosfat polimerleri kendileri suda yüksek sıcaklık veya yüksek pH'da hidratlanır ve bu nedenle metal iyonlarını artık sızdırmaz hale getiremeyen daha basit ve kararlı bir fosfata dönüşürler.

Alkollerin, alkol etoksilatların veya fenil etoksilatların polifosforik asit veya fosfor pentoksit ile reaksiyonuyla üretilen mono ve dibazik fosfat esterleri, alkalin koşullarda diğer yüzey aktif cisimlere kıyasla stabilite ana özelliğine sahip olan anyonik sürfaktanlardır. Üstün ıslatma, emülsifikasyon, yağlama, kuplaj aktivitesi gibi geniş bir yelpazeye sahiptirler.



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