Diphenylphosphine oxide. Formula Weight: 278.29: Percent Purity: 99%: Chemical Name or Material: Triphenylphosphine oxide ... Solubility: soluble in most organic solvents, slightly soluble in hexane and diethyl ether, insoluble in water. Masaharu Sugiura. In a study according to EU Method A.6 (flask method) the water solubility of the test item was determined to be 369 mg/L at 20 °C. Triphenylphosphine Oxide. Formula Weight: 278.29: Physical Form: Crystalline Powder or Flakes: Percent Purity: 99% Chemical Name or Material: Triphenylphosphine oxide: Show More Show Less Triphenylphosphine oxide (often abbreviated TPPO) is the organophosphorus compound with the formula OP(C 6 H 5) 3, also written as Ph 3 PO or PPh 3 O (Ph = C 6 H 5).This colourless crystalline compound is a common but potentially useful waste product in reactions involving triphenylphosphine.It is a popular reagent to induce the crystallizing of chemical compounds. Insoluble in water. deficiencies: other: Guidline study Data source Articles of Triphenylphosphine oxide … water solubility Type of information: experimental study Adequacy of study: other information Reliability: 2 (reliable with restrictions) Rationale for reliability incl. Soluble in polar organic solvents. 9000289 CAS Registry No. Structure, properties, spectra, suppliers and links for: Triphenylphosphine oxide, 791-28-6, Ph3P=O. Insoluble in water. 791-28-6: Density: 1.17g/cm 3: Solubility: slightly soluble in water Melting Point: 154-158 °C: Formula: C 18 H 15 OP Boiling Point: 462.9 °C at 760 mmHg Molecular Weight: 278.29 Flash Point Triphenylphosphine oxide Catalog No. Chemsrc provides Triphenylphosphine oxide(CAS#:791-28-6) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. : 791-28-6 Formal Name: triphenyl-phosphine oxide Synonyms: PNSC 398, TPPO MF: C 18H 15OP FW: 278.3 Purity: ≥98% UV/Vis. % Triphenylphosphine 99.0 (min) % Triphenylphosphine Oxide 1.0 (max) Solubility Insoluble in water. Phosphine oxide, diphenyl-Phenylphosphonoylbenzene. Solubility Information: Solubility in water: slightly soluble. : λ max: 224 nm Supplied as: A crystalline solid Storage: -20°C Stability: ≥2 years Information represents the product specifications. Triphenylphosphine oxide is used as a catalyst, Lewis base, ligand for metals and starting material for the preparation of other phosphorus compounds. Solubility Information: Soluble in polar organic solvents. Slightly soluble in hexane and diethyl ether. Triphenylphosphine oxide: EINECS: 212-338-8 CAS No. diphenyl phosphine oxide Kumamoto University, Kumamoto, Japan. Slightly souble in petroleum ether and alcohol. Form Supplied in: colorless crystalline solid. Applications. It is also used in epoxidations, Michael reactions and coupling reactions. Slightly soluble in hexane and diethyl ether. Jump to main content Jump to site nav. 4559-70-0. Soluble in xylene, toluene, acetone, carbon tetrachloride and ethers.

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