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2 Hydroxybiphenyl Organic Reactive Intermediates CAS 90-43-7 O-Phenylphenol OPP

Categories Organic Reactive Intermediates
Brand Name: TROZU
Model Number: OPP
Certification: REACH
Place of Origin: CHINA
Payment Terms: T/T, Western Union, L/C
Appearance: transparent liquid
Pure: 99.5%
CAS: 90-43-7
Name: Organic Phosphorus Intermediates
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    2 Hydroxybiphenyl Organic Reactive Intermediates CAS 90-43-7 O-Phenylphenol OPP

    2-Hydroxybiphenyl CAS90-43-7 Organic Phosphorus Intermediates (o-phenylphenol, OPP)


    Molecular weight 170.2

    Color white or white

    Physical state solid (flake or crystalline)

    Specific gravity (g/cm3 at 25oC) 1.2

    Dissociation constant (at 25oC) 9.9

    PH value (at 22.7oC)

    In aqueous solution, it is 6.1.

    Recommended pH value range 7-13.5

    Stability is stable and durable under normal conditions.

    Incompatible with strong oxidants

    Melting point (oC) 56-58

    Boiling point (oC) 286

    Flash point (oC) 13


    Because the polymer containing organic phosphorus compounds will form graphite-like carbonization film on the surface of the material when burning, which makes the polymer isolated from air, has good flame retardant performance, high flame retardant efficiency, low volatility, good oil and hydrolysis resistance, and will gradually replace the inorganic and containing materials used today. Halogen flame retardant materials. A new phosphorus containing flame retardant intermediate DOPO can be synthesized from ortho phenyl phenol.

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