5-(Phenylethynyl)-2-benzofuran-1,3-dione

Basic Information

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CAS Number

119389-05-8

Molecular Formula

C16H8O3

Molecular Weight

248.23 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 Nitriles

Basic Chemical Raw Materials Organic Chemicals Heterocyclic Compounds

Pharmaceutical Chemicals Pharmaceutical Intermediates Heterocyclic Intermediates

Fine Chemicals Dyes and Pigments Organic Dyes

Fine Chemicals Surfactants Anionic Surfactants

Basic Physical Properties

Melting Point

149.0 to 154.0 deg-C

Boiling Point

466.9°C at 760 mmHg

SMILES

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C1=CC=C(C=C1)C#CC2=CC3=C(C=C2)C(=O)OC3=O

InChI

InChI=1S/C16H8O3/c17-15-13-9-8-12(10-14(13)16(18)19-15)7-6-11-4-2-1-3-5-11/h1-5,8-10H

InChIKey

UPGRRPUXXWPEMV-UHFFFAOYSA-N

LogP

2.39700

Complexity

447

Safety Information

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Hazard Statement

H315 Causes skin irritation
Skin corrosion/irritation

H319 Causes serious eye irritation
Serious eye damage/eye irritation

Synonyms & References

English

A804273
CS-0156579
MFCD10574892
DTXSID6074386
SCHEMBL72823
4-Phenylethynylphthalic anhydride (PEPA)
1,3-Isobenzofurandione, 5-(2-phenylethynyl)-4-PEPA
1,3-Isobenzofurandione, 5-(2-phenylethynyl)-
AS-20102
5-(2-Phenylethynyl)-1,3-isobenzofurandione
4-phenylethynylphthalicanhydride
AKOS015840573
4-(2-Phenylethynyl)phthalic Anhydride
4-Phenylethynyl phthalic anhydride (4-PEPA)
5-(Phenylethynyl)isobenzofuran-1,3-dione
NS00020374
FT-0653527
5-(2-phenylethynyl)isobenzofuran-1,3-dione
5-(2-phenylethynyl)-2-benzofuran-1,3-dione
C16H8O3
4-phenylethynyl phthalic anhydride
P1437
SY055007
J-515946
AMY8792
4-Phenylethynylphthalic Anhydride
4-Pheneylethynylphthalic anhydride
UPGRRPUXXWPEMV-UHFFFAOYSA-N
119389-05-8
1,3-Isobenzofurandione, 5-(phenylethynyl)-
5-(2-phenylethynyl)-1,3-dihydro-2-benzofuran-1,3-dione

MDL Number

MFCD10574892

Customs Code

2932999099

FAQ

What is 5-(Phenylethynyl)-2-benzofuran-1,3-dione (CAS: 119389-05-8)?

5-(Phenylethynyl)-2-benzofuran-1,3-dione is a derivative of benzofuran with a phenylethynyl substituent. It has the chemical formula C17H11N2O2. This compound is typically used in organic synthesis and as a building block in the development of various materials and pharmaceuticals.

What are the main uses of 5-(Phenylethynyl)-2-benzofuran-1,3-dione (CAS: 119389-05-8)?

5-(Phenylethynyl)-2-benzofuran-1,3-dione is primarily used as a precursor in the synthesis of other compounds and materials. It finds applications in the pharmaceutical industry, where it may be used as an intermediate, and in materials science for the development of novel polymers and coatings.

Is 5-(Phenylethynyl)-2-benzofuran-1,3-dione (CAS: 119389-05-8) safe?

5-(Phenylethynyl)-2-benzofuran-1,3-dione is generally considered safe for industrial use when handled properly. However, it should be stored in a cool, dry place away from direct sunlight and sources of ignition. Protective gloves and goggles should be worn during handling to avoid skin contact and eye irritation. It is advisable to follow local safety regulations and guidelines.

How should 5-(Phenylethynyl)-2-benzofuran-1,3-dione (CAS: 119389-05-8) be stored?

5-(Phenylethynyl)-2-benzofuran-1,3-dione should be stored in a cool, dark place to avoid light exposure and to maintain its stability. Keep the container tightly sealed to prevent moisture absorption. Store at room temperature (15°C to 25°C) and avoid temperatures above 30°C. Humidity levels should be low to prevent degradation. Use a suitable, airtight container to store the compound.