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Trioctylphosphine oxide

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Origin: China

Cas No: 78-50-2

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 80 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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  • Products Specification
  • Product Description

  • Quick Details

    Classification:
    Trioctylphosphine oxide
    CAS No.:
    78-50-2
    Other Names:
    Trioctylphosphine oxide, Supply Trioctylphosphine oxide CAS No.: 78-50-2
    MF:
    C24H51OP, C24H51OP
    EINECS No.:
    201-121-3, 201-121-3
    Place of Origin:
    Shanghai, China
    Grade Standard:
    Food Grade, Industrial Grade, Reagent Grade
    Purity:
    98%MIN, 98%MIN
    Appearance:
    white to pale yellow solid
    Application:
    organic intermediates
    Brand Name:
    WPA
    Model Number:
    WPA 78-50-2
    Color:
    white to pale yellow solid
    CAS No:
    78-50-2
    place of origin:
    Shanghai,China
    usage:
    industrial grade
    Brand name:
    WPA
    package:
    25kg per bag

    Packaging&Delivery

    Packaging Details
    25kg per bag,1000kg per bag
    Port
    Shanghai,Qingdao,Tianjin
    Lead Time:
    Quantity(Kilograms)1 - 10000>10000
    Est. Time(days)7To be negotiated

  • Property

    CAS No.: 78-50-2 Formula: C24H51OP Molecular Weight: 386.63500

    Description

    Trioctylphosphine oxide (TOPO) is an organophosphorus compound with the formula OP(C8H17)3. Frequently referred to as TOPO, this compound is used as an extraction or stabilizing agent. It is an air-stable white solid at room temperature.

    Basic Info

    Chemical Name Trioctylphosphine oxide
    Synonyms

    1-dioctylphosphoryloctane;
    Phosphine oxide, trioctyl-;

    CAS No. 78-50-2
    Molecular Formula C24H51OP
    Molecular Weight 386.63500
    PSA 26.88000
    LogP 9.43100

    Properties

    Appearance & Physical State white crystalline powder
    Density 0.861 g/cm3
    Boiling Point 201-202ºC (2 mmHg)
    Melting Point 50-55ºC
    Flash Point >230 °F
    Refractive Index 1.447
    Water Solubility Insoluble
    Stability Stable. Incompatible with strong oxidizing agents.
    Storage Condition Keep container closed when not in use. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Refrigerator (approx 4ºC).

    Safety Info

    RTECS SZ1662500
    Safety Statements S26-S36/39
    HS Code 29310095
    Packing Group II
    WGK Germany 2
    Risk Statements R38; R41
    Hazard Codes Xi
    Symbol GHS05
    Signal Word Danger
    Hazard Declaration H315; H318; H412
    Caution Statement P273; P280; P305 + P351 + P338 + P310

    Synthesis Route

    Tri-N-Octylphosphine→Trioctylphosphine oxide
    Tri-N-Octylphosphine+1-chloro-4-dichlorophosphorylbenzene→Trioctylphosphine oxide+dichloro-(4-chlorophenyl)phosphane
    1-Chlorooctane→Trioctylphosphine oxide

    Precursor

    Tri-N-Octylphosphine
    1-Chlorooctane
    1-Bromooctane
    1-chloro-4-dichlorophosphorylbenzene

    Downstream Product

    Tri-N-Octylphosphine
    perfluorooctane
    tris(perfluorooctyl)phosphine oxide

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