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High Purity Phosphorus Flame Retardant Diphenylphosphine Oxide CAS 4559-70-0

Categories Phosphorus Flame Retardant
Brand Name: TROZU
Model Number: 4559-70-0
Certification: REACH
Place of Origin: CHINA
MOQ: 1
Payment Terms: T/T, Western Union
Delivery Time: 5-8day
Packaging Details: 25kg
Appearance: white powder
Purity: 99%
CAS: 4559-70-0
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    High Purity Phosphorus Flame Retardant Diphenylphosphine Oxide CAS 4559-70-0

    Diphenylphosphine oxide CAS4559-70-0


    Diphenylphosphine oxide [Ph2P(O)H] is often used to prepare triphenylphosphine oxide [1], alkenyl diphenylphosphine oxide [2], alkyne addition [3], and Wittig-Horner reaction reagent [4]. The synthesis of diphenylphosphine derivatives Ph2P(O)H is coupled with aryl trifluoromethanesulfonate. Phosphine oxides are reduced to diphenylarylphosphine(formula 1)[1~3], which is a commonly used chiral ligand. Trimethylsiloxydiphenylphosphine was synthesized by the reaction of Ph2P (O) H with TMSCl. It reacted with halogenated olefins to obtain alkyl diphenylphosphine (Form 2) [4]. The addition of diphenylphosphine oxide with alkynes can produce highly stereospecific olefins (Formula 3) [5,6], catalyzed by metals. Under microwave irradiation, the addition reaction of diphenylphosphine oxide with olefins can take place without any solvent or catalyst (Form 4) [7]. Difluoromethyl diphenyl phosphine oxide can be prepared by reaction of Ph2P(O)H with difluorodichloromethane. It further reacts with aldehydes or ketones to form 1,1-difluoroolefins (Form 5) [8].


    Chemical nameDiphenylphosphine oxide
    CAS No.4559-70-0
    SynonymDiphenylphosphine oxide
    Molecular FormulaC12H11OP
    Molecular Weight202.19
    Store atRoom temperature
    Purity99% min
    AppearanceWhite to off white powder
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