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1526-33-6

Phenyl-trifluorphosphinhydrid, also known as phenyltrifluorophosphine or trifluorophenylphosphine, is a chemical compound with the molecular formula C6H5PF3. It is a colorless, volatile liquid that is highly sensitive to moisture and air. Phenyl-trifluorphosphinhydrid is an important reagent in organic synthesis, particularly in the formation of phosphorus-containing compounds. It is used as a ligand in transition metal complexes and as a precursor for the synthesis of various phosphorus derivatives. Due to its reactivity, it is typically handled under an inert atmosphere or in a vacuum. Phenyl-trifluorphosphinhydrid is also known for its potential applications in the development of new materials and pharmaceuticals, as well as in the production of agrochemicals.

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  • 1526-33-6 Structure

  • Basic information

    1. Product Name: Phenyl-trifluorphosphinhydrid
    2. Synonyms:
    3. CAS NO:1526-33-6
    4. Molecular Formula:
    5. Molecular Weight: 166.083
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 1526-33-6.mol

  • Chemical Properties

    1. Melting Point: N/A
    2. Boiling Point: N/A
    3. Flash Point: N/A
    4. Appearance: N/A
    5. Density: N/A
    6. Refractive Index: N/A
    7. Storage Temp.: N/A
    8. Solubility: N/A
    9. CAS DataBase Reference: Phenyl-trifluorphosphinhydrid(CAS DataBase Reference)
    10. NIST Chemistry Reference: Phenyl-trifluorphosphinhydrid(1526-33-6)
    11. EPA Substance Registry System: Phenyl-trifluorphosphinhydrid(1526-33-6)

  • Safety Data

    1. Hazard Codes: N/A
    2. Statements: N/A
    3. Safety Statements: N/A
    4. WGK Germany:
    5. RTECS:
    6. HazardClass: N/A
    7. PackingGroup: N/A
    8. Hazardous Substances Data: 1526-33-6(Hazardous Substances Data)

1526-33-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1526-33-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,5,2 and 6 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1526-33:
(6*1)+(5*5)+(4*2)+(3*6)+(2*3)+(1*3)=66
66 % 10 = 6
So 1526-33-6 is a valid CAS Registry Number.

1526-33-6Relevant articles and documents

Phenylfluorophosphoranes: axial-equatorial fluorine exchange in RC6H4PF3H and intermolecular exchange in the PhPF2(H)OMe-MeOH-base system

Kruczynski, Leonard J.,Lemire, Alberta E.,Marat, Kirk,Janzen, Alexander F.

, p. 488 - 491 (2007/10/02)

Activation parameters for axial-equatorial fluorine exchange in arylfluorophophoranes PC6H4PF3H, where R = o-CF3, m-CF3, m-CH3, were studied by the dynamic nmr technique. Δ G298(excit.) varied between 53 and 56 kJ mol-1.The synthesis of difluoromethoxyphenylphosphorane, PhPF2(H)OMe, from PhPF2 and MeOH is catalyzed by small amounts of Et3N, pyridine, PhPF3H, or HF.Rapid intermolecular ligand exchange occurs in PhPF2(H)OMe after addition of methanol and a base such as triethylamine or pyridine.Under these conditions, exchange of fluorine, hydrogen, and methoxy ligands occurs, as shown by 1H, 19F, and 31P nmr.From a line shape analysis of the 31P nmr spectrum, the rate of P-F cleavage was found to be first order (1.17 +/- 0.2) in Et3N concentration, with Δ G(excit.)298 = 50 kJ mol-1 and Δ S (excit.) = -67 J mol-1 deg-1.An equilibrium constant of 1.8 at 25 deg C was found for the reaction of PhPF2(H)OMe with PhPF2.

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