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Firemaster PHT4

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Origin: China

Cas No: 632-79-1

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

    CAS No.:
    632-79-1
    MF:
    C8Br4O3, C8Br4O3
    EINECS No.:
    211-185-4
    Place of Origin:
    Shandong China
    Type:
    Pharmaceutical Intermediates
    Purity:
    NLT98%, NLT98%
    Brand Name:
    Natural Micron Pharm Tech
    Model Number:
    632-79-1
    Application:
    Pharmaceutical Intermediates
    Appearance:
    White to light yellow Powder
    Product name:
    Tetrabromophthalic anhydride
    CAS:
    632-79-1
    EINECS:
    211-185-4
    MW:
    463.7
    Grade:
    Pharmaceutical Grade
    Test Method::
    HPLC
    Shelf life:
    2 Years
    Storage:
    Cool Dry Place

    Packaging&Delivery

    Packaging Details
    Packing Method: Aluminium Foil Bags/Drums
    Port
    Qingdao Port/Shanghai Port
    Lead Time:
    Quantity(Kilograms)1 - 1>1
    Est. Time(days)5To be negotiated

  • Property

    CAS No.: 632-79-1 Formula: C8Br4O3 Molecular Weight: 463.70000

    Description

    Tetrabromophthalic Anhydride is a brominated flame retardant used as additives in plastics to decrease the rate of combustion of these materials, leading to greater consumer safety.

    Basic Info

    Chemical Name Firemaster PHT4
    Synonyms

    1,3-Isobenzofurandione, 4,5,6,7-tetrabromo-;
    4,5,6,7-tetrabromo-2-benzofuran-1,3-dione;

    CAS No. 632-79-1
    Molecular Formula C8Br4O3
    Molecular Weight 463.70000
    PSA 43.37000
    LogP 4.04720

    Properties

    Appearance & Physical State white to grey powder
    Density 2.771 g/cm3
    Boiling Point 540.5ºC at 760 mmHg
    Melting Point 274-280ºC
    Flash Point 280.7ºC
    Refractive Index 1.725
    Water Solubility hydrolysis
    Stability Stable at room temperature in closed containers under normal storage and handling conditions.
    Storage Condition Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Store protected from moisture.
    Vapor Pressure 0.11 mm Hg ( 180 °C)

    Safety Info

    RTECS TI3350000
    Safety Statements S24/25
    HS Code 29173911
    WGK Germany 2
    Risk Statements R36/37/38
    Hazard Codes Xi
    Caution Statement P280
    Symbol GHS07
    Signal Word Warning
    Hazard Declaration H317

    Synthesis Route

    phthalic anhydride→Firemaster PHT4
    3,4,5,6-tetrabromophthalic acid→Firemaster PHT4
    phthalic anhydride+Sulfuric acid→Firemaster PHT4

    Precursor

    Sulfuric acid
    dibromine
    phthalic anhydride
    3,4,5,6-tetrabromophthalic acid

    Downstream Product

    2,3,4,5-tetrabromo-6-(1,3-thiazol-2-ylcarbamoyl)benzoic acid
    4,5,6,7-tetrabromo-2-(2-hydroxyethyl)isoindole-1,3-dione
    5,6,7,8-tetrabromo-4-(4-methylphenyl)-2,3-benzoxazin-1-one
    4,5,6,7-tetrabromo-2-(1,3-thiazol-2-yl)isoindole-1,3-dione

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