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4,5,6,7-Tetrafluoro-2-benzofuran-1,3-dione    CAS NO: 652-12-0

Solubility: ?soluble in most organic solvents and acetic acid.

Form supplied in: widely available.

Preparative Methods: treatment of tetrafluorophthalic acid with acetyl chloride at reflux;

purified by sublimation at 110?°C. 3 .

Handling, Storage, and Precautions: moisture sensitive; irritant; incompatible with strong oxidizing agents.

Name:4,5,6,7-Tetrafluoro-2-benzofuran-1,3-dione    

CAS NO: 652-12-0

EINECS: 211-485-5

MF: C8F4O3

MW: 220.077

MP: 94-96 °C(lit.)

BP:332.6±42.0 °C at 760 mmHg

Density:1.8±0.1 g/cm3

Appearance: asked

Purity: 97% min

Package: 25g, 100g, 500g, bulk package 

Application:Pharmaceutical Intermediates

Other name:

1,3-Isobenzofurandione, 4,5,6,7-tetrafluoro-;

Tetrafluorophthalic anhydride;

3,4,5,6-tetrafluorophthalic anhydride;

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