The method according to any of the preceding claims, wherein the P-O-P anhydride moiety comprising compound is selected from the group consisting of tetraphosphorus hexaoxide, tetraethylpyrophosphite, and the P-O-P anhydride moiety comprising compound obtained from the combination of phosphorous acid and tetraphosphorus hexaoxide, of phosphorous acid and tetraphosphorus decaoxide, of dimethylphosphite and tetraphosphorus decaoxide and of tetraphosphorus hexaoxide and water. Ammonium persulfate 6 g and an additional 84 g of water were then added. Matched Synonyms: … Acide peracetique P V Phosphonamide. Example 61 : trans- 1 ,2-cyclohexyldiaminotetramethylenephosphonic acid Example 1 ,4,7, tetraazadodecane- 1 ,4,7, tetramethylenephosphonic acid Example N-methyl-iminodiphosphonic acid. From Martindale, The Extra Pharmacopoeia, 30th ed, p The copolymers of the present invention have been evaluated for their ability to prevent precipitation i.
EINECS · Dequest deflocculant and sequestrant Phosphonic acid, ((bis(2-(bis(phosphonomethyl)amino)ethyl)amino)methyl)- sodium salt.
Diethylenetriaminepenta(methylenephosphonic acid), sodium salt C9H27N3NaO15P5 PubChem
Phosphonic acid, (1,6-hexanediylbis(nitrilobis(methylene)))tetrakis- | C10H28N2O12P4 | CID [6-[bis(phosphonomethyl)amino]hexyl-( phosphonomethyl)amino]methylphosphonic acid Dequest deflocculant and sequestrant. Phosphonates and phosphonic acids are organophosphorus compounds containing.
chelating agent; PBTC: Phosphonobutanetricarboxylic acid; PMIDA : N-(phosphonomethyl)iminodiacetic acid; CEPA: 2-carboxyethyl phosphonic acid.
It can also reduce the amount of other bile acids that can be harmful to liver cells when levels are … Matched Categories: … Cholic Acids Composition according to claim 15, wherein the polyvalent metal salt is zinc chloride, nickel chronrde, zinc sulfate or nickel sulfate. The final product had a pH of 1.
One example is the industrial preparation of nitrilotris methylenephosphonic acid :. Corrosion rates for the coupons were computed by differential weight loss according to the following equation:. During the addition of the tetraphosphorus hexaoxide and the subsequent 30 minutes reaction period, the formation of carbon monoxide was observed.
The solution thus obtained was analyzed by 31 P- NMR spectroscopy.
FESTIVAL OF LIGHTS VAN DUSEN 2012
|In biology and medicinal chemistry, phosphonate groups are used as stable bioisoteres for phosphate, such as in the antiviral nucleotide analogue, Tenofovirone of the cornerstones of anti- HIV therapy.
Mycophenolic acid Mycophenolic acid is an an immunosuppresant drug and potent anti-proliferative, and can be used in place of the older anti-proliferative azathioprine.
Video: Phosphonomethyl phosphonic acid sequestrant Sodium hexametaphosphate
Deprele et al. Chenodeoxycholic acid or Chenodiol is an epimer of ursodeoxycholic acid DB Tranexamic acid
acid, N,N-bis(phosphonomethyl)aminophosphono-butyric acid. See Pentasodium aminotrimethylene phosphonate Phosphonic acid, (riamine pentamethylene phosphonic acid Phosphonic acid, (((phosphonomethyl) imino) agent, antioxidant Synergist, séquestrant in foods; pharmaceutic acid; buffer in .
Acetohydroxamic acid In detail, oxygen, or a mixture of oxygen and inert gas, and gaseous or liquid phosphorus are reacted in essentially stoichiometric amounts in a reaction unit at a temperature in the range from K to K, by removing the heat created by the exothermic reaction of phosphorus and oxygen, while maintaining a preferred residence time of from 0.
Reported values for hour LC 50 values for fish are between 0. Using the apparatus and methodology as described in Example 1, isopropenyl phosphonic acid The biological role of the natural phosphonates is still poorly understood.
For example, to prepare 2-hydroxypropylacrylate, acrylic acid may be reacted with propylene oxide. In this way, they prevent formation of insoluble precipitates scale.
(Hawley's. Nitrilotrimethanephosphonic acid G H 03H12N09P3 Aminotri( methylene phosphonic acid).
Phosphoric acid, (nitrilotris-(methylene))tris-; Tris( phosphonomethyl)amine. Scale inhibitor and sequestrant used in water treatment.
For example, precipitation of calcium carbonate, calcium sulfate and calcium phosphate in the water system leads to an agglomeration of these scale-imparting compounds along or around the metal surfaces which contact the flowing water circulating through the system.
Risedronic acid There was no evidence of phosphorus monomer. Country of ref document : US.
Phosphonic acid, (1,6hexanediylbis(nitrilobis(methylene)))tetrakis C10H28N2O12P4 PubChem
Method of controlling the deposition of scale-imparting precipitates on the structural parts of a system exposed to an aqueous medium comprising scale-imparting precipitates under deposit-forming conditions, comprising adding to the aqueous medium an effective amount for the purpose of a water-soluble copolymer I as claimed in any of claims 1 to Acetic acid ml was then added and a reflux condenser was added to the flask.
These low yields are due to the formation of by-products, as well as end products with different degrees of alkylenephosphonic acid substitution.
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|Deprele et al. The molecular weights of the copolymers may be controlled utilizing standard chain control agents such as for example secondary alcohols isopropanolmercaptans, or halocarbons.
The yellow aqueous product had a final pH of 3. Method according to claim 21 wherein the amount is about 10 to 20 parts per million.
Method according to any of claims 19 to 25, wherein the system is a gas scrubbing system.