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205433-89-2

[α-(ethylphosphanyl)benzylidene]triphenylphosphorane is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

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  • 205433-89-2 Structure

  • Basic information

    1. Product Name: [α-(ethylphosphanyl)benzylidene]triphenylphosphorane
    2. Synonyms: [α-(ethylphosphanyl)benzylidene]triphenylphosphorane
    3. CAS NO:205433-89-2
    4. Molecular Formula:
    5. Molecular Weight: 412.451
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 205433-89-2.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: [α-(ethylphosphanyl)benzylidene]triphenylphosphorane(CAS DataBase Reference)
    10. NIST Chemistry Reference: [α-(ethylphosphanyl)benzylidene]triphenylphosphorane(205433-89-2)
    11. EPA Substance Registry System: [α-(ethylphosphanyl)benzylidene]triphenylphosphorane(205433-89-2)

  • 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: 205433-89-2(Hazardous Substances Data)

205433-89-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 205433-89-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,5,4,3 and 3 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 205433-89:
(8*2)+(7*0)+(6*5)+(5*4)+(4*3)+(3*3)+(2*8)+(1*9)=112
112 % 10 = 2
So 205433-89-2 is a valid CAS Registry Number.

205433-89-2Upstream product

205433-89-2Relevant articles and documents

Ylidylphosphanes and -diphosphanes

Breitsameter, Florian,Schmidpeter, Alfred,Schier, Annette

, p. 381 - 388 (2007/10/03)

Chlorophosphanyl and dichlorophosphanyl alkylidene- and benzylidenephosphoranes 6 and 8 are converted by reaction with LiAlH4 to the respective phosphanes 7 and 9. The former can be isolated, but decompose on heating or on protonation to give the ylidyl diphosphane 11 and the phosphonium ylide or phosphonium salt, respectively. The final products are the cyclooligophosphanes 15-17. Only the C-tert-butyl derivative 7c is stable in both regards. The conformation of the RPH group in 7 as compared to that of the RPCl group in 6 clearly reflects their different interaction with the ylide moiety.

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