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    logo_Jiangsu Zhengdan Chemical Industry Co., Ltd.

    Stock code : 300641

    Hot products:Vinyltoluene (VT) , High-flash aromatic naphthas (SA) , Trimellitic anhydride (TMA)-White or yellowish Flake ,
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    Trimellitic Anhydride(TMA-F1698)

    Molecular formula:

    C9H4O5

    Structural formula:

     

    CAS No.:

    552-30-7

    Properties:

    Appearance: white flake or pastill solid. 

    Density(20℃):1.54g/cm3

    Advantages:no pungent odor,no dust,non-adhesion group,and good mobility.

    Solubility:soluble in hot water,acetone,dimethyl formamide,and cyclohexanone.

    Applications:

    Used for PI(Polyimide) resin for film-grade and high-performance fiber resin.

    Packaging::

    25kg paper composite bags, 500kg or 1000kg interior woven bags.

    Quality index:

    Item

    Specification

    Analysis methods

    Appearance

    white flake or pastille solid

    Visual inspection

    Acid value, mgKOH/g ≥

    874

    GB/T 23967

    Anhydride content, wt% ≥

    98.8

    HPLC

    Melting range, ℃ ≥

    166.5-168

    Q/ZDCI 101005

    Melt coloration, (Pt-Co) ≤

    100

    GB/T 23967

    PA content, mg/kg ≤

    15

    HPLC

    PIA content, wt% ≤

    0.25

    HPLC

    PTA content, wt% ≤

    0.88

    HPLC

     

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