Trimellitic Anhydride(TMA-F1698)|552-30-7--Jiangsu Zhengdan Chemical Industry Co., Ltd.

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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