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CAS 1031-15-8

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Methyl(triphenyl)phosphonium chloride

Description:
Methyl(triphenyl)phosphonium chloride, with the CAS number 1031-15-8, is a quaternary ammonium salt characterized by its phosphonium cation and chloride anion. It appears as a white to off-white crystalline solid and is soluble in polar organic solvents such as methanol and acetone, but less soluble in non-polar solvents. The compound is known for its stability and is often used as a reagent in organic synthesis, particularly in the formation of ylides, which are important intermediates in various chemical reactions, including the Wittig reaction for alkene synthesis. Methyl(triphenyl)phosphonium chloride exhibits a relatively high melting point due to its ionic nature. It is also recognized for its ability to facilitate the transfer of phosphonium groups in various chemical transformations. As with many phosphonium salts, it should be handled with care, as it can be toxic and may pose environmental hazards. Proper safety protocols should be followed when working with this compound in a laboratory setting.
Formula:C19H18ClP
InChI:InChI=1/C19H18P.ClH/c1-20(17-11-5-2-6-12-17,18-13-7-3-8-14-18)19-15-9-4-10-16-19;/h2-16H,1H3;1H/q+1;/p-1
InChI key:InChIKey=QRPRIOOKPZSVFN-UHFFFAOYSA-M
SMILES:[P+](C)(C1=CC=CC=C1)(C2=CC=CC=C2)C3=CC=CC=C3.[Cl-]
Synonyms:
  • B 150
  • B 150 (antioxidant)
  • Chloro(Methyl)Triphenyl-Lambda~5~-Phosphane
  • Methyl Triphenylphosphonium Chloride
  • Methyltriphenylphosphonium Chloride
  • Phosphonium, methyltriphenyl-, chloride
  • Phosphonium, methyltriphenyl-, chloride (1:1)
  • Triphenylmethylchlorophosphine
  • Triphenylmethylphosphonium chloride
  • Methyl Triphenyl Phosphonium Chloride
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