Phosphate organic esters

Solubilizing activity are also used in enhanced oil recovery. Tar and extremely viscous hydrocarbons are recovered by the injection of an aqueous solution of an anionic orthophosphate ester surfactant into a petroleum formation, retaining the surfactant in the formation for about 24 h, and displacing the solubilized hydrocarbons toward a recovery well. The surfactant forms an oil microemulsion with the hydrocarbons in the formation. An anionic monoorthophosphate ester surfactant which is a free acid of an organic phosphate ester was dissolved in water. The input of surfactant solution was 2-25% of the pore volume of the formation [250]. To produce a concentrate for the manufacture... 

Anionic Association Polymer. Another type of lost circulation agent is a combination of an organic phosphate ester and an aluminum compound, for example, aluminum isopropoxide. The action of this system as a fluid loss agent seems to be that the alkyl phosphate ester becomes crosslinked by the aluminum compound to form an anionic association polymer, which serves as the gelling agent [1488]. 

Ishikawa, S. and Baba, K. Reaction of organic phosphate esters with chlorine in aqueous solution. Bull. Environ. Contam. Tbacoi., 41(1) 143-150, 1988. 

M. Okazaki, Fluoridated hydroxyapatites synthesized with organic phosphate ester. Biomaterials 12 (1991) 46-49. 

Monafax 7B5 Organic phosphate ester surfactant Mona... 

The variability of the P content of fulvic acids appears to be a function of both the hydrologic conditions and the nutrient status of the aquatic system in which the fulvic acids were formed. McKnight et al. (1985) hypothesized that the P in Thoreau s Bog fulvic acids was in the form of organic phosphate esters or inositol phosphates, which are major phosphorus products from the breakdown of plant material. The solubility of these P-containing moieties would be greater in bogwater than in most surface... 

Donner, R. and Lohs, K., Cobalt chloride in the detection of organic phosphate ester by paper and especially thin-layer chromatography, J. Chromatogr., 17, 349, 1965 Chem. Abs., 62, 13842d, 1965. 

Heptachlor halogenated hydrocarbon Heptenophos phosphoro organic, phosphate ester Heptopargil oxime... 

Metribuzin heterocyclic nitrogen, triazine Metsulfovax heterocyclic nitrogen thiazole, amide Metsulfuron-methyl sulfonyl urea Mevinphos phosphoro organic, phosphate ester Mexacarbate carbamate Mirex halogenated hydrocarbon Molinate thiocarbamate Monalide amide... 

Phosmet phosphoro organic, phosphoro dithioate Phosphamidon phosphoro organic, phosphate ester, amide... 

Propaphos phosphoro organic, phosphate ester Propaquizafop heterocyclic nitrogen, quinoxaline Propargite sulfite... 

Type Complex organic phosphate ester Appearance Viscose liquid at 77F. pH 1.5-2.5(in 10% solution at 77F.)... 

Acid form of complex organic phosphate ester Properties ... 

Organic phosphate ester salt Organic phosphate reaction TEX-WET Intex... 

TCP is used as a plasticizer in vinyl plastics, as a flame-retardant, and as an additive to extreme pressure lubricants. The main market for PVC-based products plasticized with organic phosphate esters is in the manufacture of automobile and other motor vehicle interiors in the USA. 

The substrates most generally used in measuring the activity of NTP are AMP or IMP (inosine-5"-phosphate). However, these substrates are organic phosphate esters and thus can be hydrolyzed to an appreciable degree by other nonspecific (alkaline) phosphatases, even at a pH as low as 7.5, which is the pH assumed optimal for NTP activity. Methods for the estimation of NTP in serum must therefore incorporate some means for correcting for the hydrolysis of the substrate by the nonspecific phosphatases. 

Use Catalyst, manufacture of organic phosphate esters, metal treatment, stabilizer for organic peroxides. 

Phosphatase, which hydrolyzes phosphate groups from a large variety of organic phosphate esters. 

The largest commercial organic phosphate esters then on the market were tricresyl and triphenyl phosphate. Both of these esters were produced by the reaction of phosphorus oxychloride with the phenol or the cresol, usually as a mixture of para- and metacresol (equations 4,5). 

DeSophos. [Witco/Organics] Phosphate esters surfactant, emulsifier for industrial cleaners, drycleaning, lubricants, pesticides, textiles, polymerization softener, antistat, coupling agent, corrosion inhibitor. 

Cocoamphopropi onate Cocoamphocarboxypropionate Caprylamphopropionate Mi 1d amphoteri c Organic phosphate ester... 

Monatrope 1296 Surfactant Organic phosphate ester Mona... 

In addition to inorganic orthophosphates, phosphorus is bound in organic phosphates (ester linkages) within humus, from which plant available phosphate is set free by microorganisms (mineralization). Examples are nucleic acids, inisitol hexaphosphates as the largest group, and phospholipids. In agricultural soils, the C P ratio is in the order of 50 1. 

Classification Organic phosphate ester Empirical C57H104O8 PO4 Properties Anionic... 

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