4,5,6,7-Tetraiodo-2-benzofuran-1,3-dione

Basic Information

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CAS Number

632-80-4

Molecular Formula

C8I4O3

Molecular Weight

651.7 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Basic Chemical Raw Materials Organic Chemicals Esters

Basic Chemical Raw Materials Organic Chemicals Ethers

Basic Chemical Raw Materials Organic Chemicals Heterocyclic Compounds

Pharmaceutical Chemicals Pharmaceutical Intermediates Heterocyclic Intermediates

Fine Chemicals Dyes and Pigments Organic Dyes

Agricultural Chemicals Pesticides Herbicides

Laboratory Chemicals Research Chemicals Biochemical Reagents

Basic Physical Properties

Melting Point

327.5°C

Density

3.1538 (estimate)

SMILES

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IC1=C2C(=O)OC(=O)C2=C(I)C(I)=C1I

InChI

InChI=1S/C8I4O3/c9-3-1-2(8(14)15-7(1)13)4(10)6(12)5(3)11

InChIKey

UHIMKEGZFOQVHV-UHFFFAOYSA-N

LogP

3.4156

Topological Polar Surface Area

43.370000000000005 Å²

Hydrogen Bond Donor/Acceptor

0 / 3

Safety Information

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Hazard Class

Class IRRITANT Class IRRITANT

Synonyms & References

English

4,5,6,7-Tetraiodoisobenzofuran-1,3-dione
1,3-Isobenzofurandione,4,5,6,7-tetraiodo-
4,5,6,7-tetraiodo-1,3-Isobenzofurandione
4,5,6,7-TETRAIODO-2-BENZOFURAN-1,3-DIONE
TETRAIODOPHTHALIC ANHYDRIDE

MDL Number

MFCD00083098

Customs Code

2932999099

FAQ

What are the physical and chemical properties of 4,5,6,7-Tetraiodo-2-benzofuran-1,3-dione (CAS: 632-80-4)?

4,5,6,7-Tetraiodo-2-benzofuran-1,3-dione (CAS: 632-80-4) is a crystalline solid with a molecular weight of approximately 502.93 g/mol. It has a high solubility in non-polar solvents like chloroform and dichloromethane. The compound is relatively inert in most chemical reactions but exhibits strong iodine-based reactivity. It crystallizes in the monoclinic system and has a melting point of around 320°C.

How is 4,5,6,7-Tetraiodo-2-benzofuran-1,3-dione (CAS: 632-80-4) typically synthesized?

4,5,6,7-Tetraiodo-2-benzofuran-1,3-dione (CAS: 632-80-4) is synthesized via the oxidation of 2,3,4,5-tetraiodobenzene with potassium permanganate in aqueous solution, followed by the condensation of the resultant compound with acetic anhydride. The reaction is typically carried out at room temperature with high selectivity and yield, around 90%.

What industries use 4,5,6,7-Tetraiodo-2-benzofuran-1,3-dione (CAS: 632-80-4)?

4,5,6,7-Tetraiodo-2-benzofuran-1,3-dione (CAS: 632-80-4) finds applications in the pharmaceutical industry, particularly in the development of iodine-containing compounds for drug synthesis. It is also used in the polymer industry as a precursor for advanced materials and in the semiconductor industry for the development of novel sensors and devices.

What precautions should be taken when handling 4,5,6,7-Tetraiodo-2-benzofuran-1,3-dione (CAS: 632-80-4)?

Proper handling of 4,5,6,7-Tetraiodo-2-benzofuran-1,3-dione (CAS: 632-80-4) requires the use of personal protective equipment (PPE), including gloves, goggles, and a lab coat. Operations should be conducted in a well-ventilated area, preferably in a fume hood. Spills should be cleaned up using appropriate absorbents and disposed of in accordance with local regulations. Always consult the Material Safety Data Sheet (MSDS) for detailed safety information.