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1,4-Phenylene diisocyanate

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Origin: China

Cas No: 104-49-4

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 80 mt/month

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  • Products Specification
  • Product Description

  • Property

    CAS No.: 104-49-4 Formula: C8H4N2O2 Molecular Weight: 160.13000

    Basic Info

    Chemical Name 1,4-Phenylene diisocyanate
    Synonyms

    Benzene, 1,4-diisocyanato-;
    1,4-Phenylene Diisocyanate;
    1,4-diisocyanatobenzene;
    Benzene 1,4-Diisocyanate;

    CAS No. 104-49-4
    Molecular Formula C8H4N2O2
    Molecular Weight 160.13000
    PSA 58.86000
    LogP 1.62120

    Properties

    Appearance & Physical State white to light yellow crystals
    Density 1.17g/cm3
    Boiling Point 260ºC
    Melting Point 94ºC
    Flash Point >110ºC
    Refractive Index 1.567
    Stability Stable. Combustible. Incompatible with strong oxidising agents, strong alkalies, strong acids, alcohols, amines. Moisture sensitive.
    Storage Condition Keep in a cool, dry, dark location in a tightly sealed container or cylinder. Keep away from incompatible materials, ignition sources and untrained individuals. Secure and label area. Protect containers/cylinders from physical damage.
    Vapor Pressure <0.01 mm Hg ( 20 °C)

    Safety Info

    RTECS CZ6150000
    Safety Statements S22-S26-S36/37
    HS Code 2929109000
    WGK Germany 3
    RIDADR UN 2811
    Risk Statements R20/21/22; R36/37/38; R42
    Hazard Codes Xn

    Synthesis Route

    N,N'-p-phenylene-bis-carbamic acid dimethyl ester→1,4-Phenylene diisocyanate
    ethyl N-[4-(ethoxycarbonylamino)phenyl]carbamate→1,4-Phenylene diisocyanate
    1,4-phenylenediamine+Diphosgene→1,4-Phenylene diisocyanate

    Precursor

    N,N'-p-phenylene-bis-carbamic acid dimethyl ester
    Diphosgene
    1,4-phenylenediamine
    1,4-Dicyanobenzene

    Downstream Product

    methyl N-(4-isocyanatophenyl)carbamate
    1-(2-fluoroethyl)-3-[4-(2-fluoroethylcarbamoylamino)phenyl]urea
    N,N'-p-phenylene-bis-carbamic acid dimethyl ester
    ethyl N-[4-(ethoxycarbonylamino)phenyl]carbamate

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