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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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