2472-88-0. Bis(tetrabutylammonium) sulphate. tetrabutylammonium sulfate. tetrabutylazanium;sulfate. 1-Butanaminium, N,N,N-tributyl-, sulfate (2:1)Molecular Formula: C32H72N2O4STetrabutylammonium hydrogen sulfate C16H37NO4S - tetrabutylammonium sulfate (1:1), sodium salt. Medical Subject Headings (MeSH) 2.4.2 Depositor-Supplied Synonyms. Help. New Window. 32503-27-8. Tetrabutylammonium hydrogen sulfate. Tetrabutylammonium hydrogensulfate. tetra-n-Butylammonium hydrogen sulfateMolecular Formula: C16H37NO4SA practical iodination of aromatic compounds using Aug 13, 1999 Tetrabutylammonium peroxydisulfate was successfully prepared~6and turned out to be a useful source of tetrabutylammonium sulfate radical, which can be readily converted to sulfate anion by one electron transfer from a substrate.16 Table 1. lodination of Aromatic Compounds Using (TBA)2S20$ and Iodine Run Substrate (1) Time (h) Temp Product (3) Yielda (%) 1 MeO,~OMe 0.7 20 MeO.,.~OMe Cited by: 65Practical and regioselective brominations of aromatic Jun 14, 2004 The peroxide 1 turned out to be a useful source of tetrabutylammonium sulfate radical, which shows oxidizing ability and can be readily converted to sulfate anion by one electron transfer from substrate. 15 In contrast to K 2 S 2 O 8, Na 2 S 2 O 8, or (NH 4) 2 S 2 O 8, 1 is easily soluble in various organic solvents such as acetonitrile, acetone, methanol, and methylene chloride and therefore it can Cited by: 61Tetrabutylammonium persulfate triple salt 104548-30-3. Tetrabutylammonium persulfate triple salt. Oxone tetrabutylammonium salt. DTXSID40584955. AKOS025294011Molecular Formula: C80H183N5O18S4Tetrabutylammonium C16H36N+ - PubChem Detergents. Purifying or cleansing agents, usually salts of long-chain aliphatic bases or acids, that exert cleansing (oil-dissolving) and antimicrobial effects through a surface action that depends on possessing both hydrophilic and hydrophobic properties. (See all compounds classified as Detergents .)Tetrabutylammonium hydrogen sulfate, 98%, ACROS CAS: 32503-27-8: Molecular Formula: C 16 H 35 NH 2 SO 4: Molecular Weight (g/mol) 339.53: MDL Number: MFCD00011637: InChI Key: SHFJWMWCIHQNCP-UHFFFAOYSA-M: Synonym: tetrabutylammonium hydrogen sulfate, tetrabutylammonium hydrogensulfate, tetrabutylammonium bisulfate, tetra-n-butylammonium hydrogen sulfate, tbahs, tetrabutylammonium sulfate 1:1, 1-butanaminium, n,n,n-tributyl-, sulfate Tetrabutylammonium sulfate Sigma-Aldrich Showing 1-3 of 3 results for "tetrabutylammonium sulfate" Advanced Search. Structure Search. Relevance. Compare. Tetrabutylammonium sulfate solution. Tetrabutylammonium sulfate solution. CAS Number: 2472-88-0. Molecular Weight: 580.99. Linear Formula: [[CH 3 (CH 2) 3] 4 N] 2 SO 4. Product Number Product Description SDS;Tetrabutylammonium - an overview ScienceDirect Topics In the initial stage of encapsulated POM catalysts, organic cations such as tetrabutylammonium (TBA) were just used to replace the counterions of POMs. The reduced polarity of the formed organic cations encapsulating complexes makes inorganic clusters no longer soluble in water but in weak polar solvents, which extends the application of POMs as a homogenous catalyst for water-insoluble substrates in Effect of tetrabutylammonium bromide on the micelles of Sep 24, 2004 The anionic surfactant sodium dodecyl sulfate (NaDS) was Purum grade sample from Fluka, Switzerland and was used as received. Surface tension measurements gave a sharp break point for NaDS at CMC (8.0 10 3 M) without showing any minimum. Tetrabutylammonium bromide (TBABr) from Fluka, Switzerland was used as received.Practical and Regioselective Brominations of Aromatic In most published papers, an electron transfer process from the molecule being oxidized to TBAPS or tetrabutylammonium sulfate radical A practical and efficient method for the directTetrabutylammonium hydrogen sulfate - NIST May 09, 2013 IUPAC Standard InChIKey: OHLITOUHJLRUQJ-UHFFFAOYSA-N Copy CAS Registry Number: 32503-27-8 Chemical structure: This structure is also available as a 2d Mol file; Other names: tetra-n-Butylammonium hydrogen sulfate; 1-Butanaminium, N,N,N-tributyl-, sulfate (1:1); tetrabutylammonium hydrogen sulphate Permanent link for this species. Use this link for Tetrabutylammonium hydrogen sulfate mediated domino Jun 01, 2011 A tetrabutylammonium hydrogen sulfate (TBA-HS) mediated procedure for one pot synthesis of novel benzopyran-annulated pyrano[2,3-c]pyrazoles via domino/Knoevenagel-hetero-DielsAlder reaction has been demonstrated. Selected Practical Methods. John Wiley & Facile Synthesis of 5Substituted 1HTetrazoles Catalyzed Jan 05, 2015 Facile synthesis of 5-substituted 1H-tetrazoles was achieved by treating nitriles with NaN 3 in water or toluene in the presence of tetrabutylammonium hydrogen sulfate (TBAHS). The reaction could be carried out in water as well as in toluene. The procedure is environment-friendly, practical, and provides excellent yield of tetrazoles.Idea for Nitration Using Tetrabutylammonium Nitrate That means that if we used, for example, 1 mole% tetrabutylammonium sulfate (neutralized hydrogen sulfate) and 1.1 equiv alkali metal nitrate, most of the tetrabutylammonium salt would be paired with nitrate and not with sulfate, even if the molar ratio of nitrate to sulfate were reversed at 1:100.(PDF) Tetrabutylammonium hydrogen sulfate mediated domino Tetrabutylammonium hydrogen sulfate mediated domino reaction: synthesis of novel benzopyran-annulated pyrano[2,3-c]pyrazoles Narsidas Parmar a b s t r a c tA tetrabutylammonium hydrogen sulfate (TBA-HS) mediated procedure for one pot synthesis of novel benzopyran-annulated pyrano [2,3-c]pyrazoles via domino/Knoevenagel-hetero-Diels-AlderTetrabutylammonium Azide PTC Organics, Inc. Tetrabutylammonium azide is used as the azide source in the two nucleophilic substitutions of second reaction shown in the diagram. If we were to perform this reaction, we would attempt to replace the excess TBA azide with catalytic tetrabutyl ammonium bromide (TBAB) and stoichiometric sodium azide for both safety and cost reasons.Eect of the Alkyl Chain Length of the Cation on the tetrabutylammonium hydroxide, thermophysical properties such as density (), speed of sound (u), viscosity () and refractive various temperatures are of great fundamental and practical importance. Although the applications of ammonium-based ILs diethylammonium hydrogen sulfate [DEAS], triethy-lammonium hydrogen sulfate [TEASIon-pair induced supramolecular assembly formation for Aug 21, 2019 Taking into consideration the assumed stoichiometry of complexes formed with receptor 1 in the organic phase (1 : 1 for KNO 3 and 4 : 1 for K 2 SO 4) the extraction efficiency was calculated to be 6 and 64% for potassium nitrate and potassium sulfate, respectively. From a practical point of view, this applies to approx. 0.32/0.12 molar ratio ofIKA Electrasyn - PRACTICAL TIPS Copper / copper (II) sulfate electrode (CSE): 0.314 V For a constant voltage reaction, the electrode potential is set with the help of a reference electrode. For example, a Shono oxidation at a constant +2.5 V anode potential in reference to a silver / sliver(I) chloride electrode means the anode potential is actually +2.697 V in reference toA Practical Guide to the Analysis of Conjugated Linoleic To this is added 0.1M tetrabutylammonium hydrogen sulfate in 0.2M aqueous sodium hydroxide (1 mL) and methyl iodide (25 mL). After mixing and continuous shaking for 60 min, the layers are allowed to settle. The lower layer is taken by means of a Pasteur pipette, and the solvent is evaporated in a stream of nitrogen at 30C.MOXIFLOXACIN HYDROCHLORIDE (MOXIFLOXACINI Jan 17, 2018 123 containing 0.5 g/L of tetrabutylammonium hydrogen sulfate R, 1.0 g/L of potassium 124 dihydrogen phosphate R and 3.4 g/L of phosphoric acid (~1440 g/L) TS. 125 Operate with a flow rate of 1.3 mL per minute. As a detector use an ultraviolet 126 spectrophotometer set at a wavelength of 293 nm. Maintain the column temperature at 45 C.Substance Information - ECHA Substance identity. The Substance identity section is calculated from substance identification information from all ECHA databases. The substance identifiers displayed in the InfoCard are the best available substance name, EC number, CAS number and/or the molecular and structural formulas. Some substance identifiers may have been claimedIodination of plasticized poly(vinyl chloride) in aqueous Feb 05, 2002 Among the different PTCs examined, tetrabutylammonium bromide (TBAB) and tetrabutylammonium hydrogen sulfate (TBAH) were found to be highly efficient for the reaction. About 25% increase in weight was observed for PVC sheets iodinated under optimal reaction conditions. The thermal stability of the modified PVC was found to be impaired uponTetrabutylammonium hydroxide C16H37NO - PubChem tetrabutylammonium hydrogen sulfate. tetrabutylammonium hydroxide. tetrabutylammonium iodide. tetrabutylammonium monophosphate. tetrabutylammonium nitrate. tetrabutylammonium perchlorate. tetrabutylammonium sulfate. tetrabutylammonium sulfate Tetrabutylammonium fluoride C16H36FN - PubChem CID 14917 (Hydrofluoric acid) CID 16028 (Tetrabutylammonium) Date s. Modify. 2021-08-28. Create. 2005-07-19. Tetrabutylammonium fluoride is a fluoride salt and a tetrabutylammonium salt. It has a role as a phase-transfer catalyst.MOXIFLOXACIN HYDROCHLORIDE (MOXIFLOXACINI Jan 17, 2018 123 containing 0.5 g/L of tetrabutylammonium hydrogen sulfate R, 1.0 g/L of potassium 124 dihydrogen phosphate R and 3.4 g/L of phosphoric acid (~1440 g/L) TS. 125 Operate with a flow rate of 1.3 mL per minute. As a detector use an ultraviolet 126 spectrophotometer set at a wavelength of 293 nm. Maintain the column temperature at 45 C.Tetrabutylammonium Hexafluorophosphate PTC Organics, Inc. The use of the expensive hexafluorophosphate counteranion is surprising for the PTC carbene addition described in this months PTC Reaction of the Month (US Patent 10,219,516). We do not know the rationale of the inventors for choosing tetrabutylammonium hexafluorophosphate, which is usually used as an electrolyte in nonaqueous electrochemistry since it is highly soluble and stable in polarDevelopment and Validation of an HPLC Method for Mar 07, 2019 The 0.002 M tetrabutylammonium sulfate solution was prepared by dissolving 1.16 g of tetrabutylammonium sulfate in 1000 mL of water, filtered through a 0.45 m membrane filter, and degassed by sonication for 15 minutes before used. The flow Tetrabutylammonium Azide PTC Organics, Inc. Tetrabutylammonium azide is used as the azide source in the two nucleophilic substitutions of second reaction shown in the diagram. If we were to perform this reaction, we would attempt to replace the excess TBA azide with catalytic tetrabutyl ammonium bromide (TBAB) and stoichiometric sodium azide for both safety and cost reasons.Epoxidation of glycals with oxoneacetone Jun 15, 2011 Thus, the presence of tetrabutylammonium hydrogen sulfate accelerated the reaction, as observed by Curci 18 in the case of cyclohexene, and the epoxide formation was complete in 2 h; after ring opening with methanol, methyl glycosides 4, 6, and 7 were obtained in good yields and stereoselectivity from perbenzylated glycals 13.Ion-pair induced supramolecular assembly formation for Aug 21, 2019 Taking into consideration the assumed stoichiometry of complexes formed with receptor 1 in the organic phase (1 : 1 for KNO 3 and 4 : 1 for K 2 SO 4) the extraction efficiency was calculated to be 6 and 64% for potassium nitrate and potassium sulfate, respectively. From a practical point of view, this applies to approx. 0.32/0.12 molar ratio ofA Guide to HPLC and LC-MS Buffer Selection Practical limits of column stability require that we truncate the lower range to 2.0