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Identify Suppliers 2025 Properties Safty

5-Phenylethynylisobenzofuran-1,3-dione

BGC Id:	785962468513
CAS No:	119389-05-8
Synonyms:	phenylethynylphthalic anhydride ; 4-phenylethynylphthalic anhydride ; 3-phenylethynylphthalic anhydride ; 4-pepa ; 4-(2-phenylethynyl)phthalic anhydride ; 4-phenylethynylphtalic anhydride ; 4-phenylethylphthalic anhydride ; 4-phenylethynylphthalic anhydride ,98% ; 4-(phenylethynyl)phthalic ; 5-phenylethynyl-phthalic anhydride
Molecular Formula:	C16H8O3
Molecular Weight:	248.24
EINECS:

Verified providers in 2025

The following 2 notable providers have been checked and can be recommended.

BLD Pharmatech

Smile code: O=C1OC(C2=C1C=CC(C#CC3=CC=CC=C3)=C2)=O MDL Number: MFCD10574892 Purity : 97% Available in stock: 317 g

BuGuCh & Partners

What other providers are available for CAS 119389-05-8?

The last intensive check and update was carried out on 2025/05/30.

Identify

Synonyms:

phenylethynylphthalic anhydride ; 4-phenylethynylphthalic anhydride ; 3-phenylethynylphthalic anhydride ; 4-pepa ; 4-(2-phenylethynyl)phthalic anhydride ; 4-phenylethynylphtalic anhydride ; 4-phenylethylphthalic anhydride ; 4-phenylethynylphthalic anhydride ,98% ; 4-(phenylethynyl)phthalic ; 5-phenylethynyl-phthalic anhydride

CAS:

119389-05-8

EINECS:

Molecular Formula:

C16H8O3

MDL:

MFCD10574892

Properties

Molecular Weight:

248.24 g·mol−1

Melting point:

152 °C

Physical Description:

light yellow to light yellow-green crystal or powder

Suppliers

BLD Pharmatech Ltd

type bedrift: Supplier

Founded in 2014 and headquartered in Shanghai, China, BLD Pharmatech Ltd. with more than 600,000 items, scale up manufacture and custom services is a leading manufacturer and supplier of diversified research chemicals in the industry. Vi er leverandør av Methyl 5-bromoindole-7-carboxylate. Our considerable stock of a wide range of laboratory chemicals, from heterocycles, boron acids, amino acids, metal catalysts to chiral compounds, is ready for worldwide shipping. The ISO certifications and DUNS registration are our testimonie ...

land: P.R.China telefon: +86-21-61629022 Fax: +86-21-50201702

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BuGuCh & Partners

type bedrift: Producer

land: Germany

We, BuGuCh & Partners, are an international acting and innovative company, leading in developing and manufacturing. We operates major facilities in North America, Europe and the Pacific Rim, as well as facilities in China, Japan and Saudi Arabia operated through joint ventures. We maintain independently or are partners of some production sites in Europe, Asia and South America. Our global network is a strength. Our products range from natural gas, oil and basic chemi ...

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Safety Information

Hazard Classes:

Risk Codes:

36/37/38 (R)

Safety Codes:

26-36/37/39 (S)

The following providers cannot be verified precisely. The companies have offered the product in the past, but despite all care, the companies could not confirm it 100 percent!

Synthon-Chemicals GmbH & Co. KG

SYNTHON Chemicals is a producer and distributor of fine chemicals and specialities. With 1600 square meters of laboratories, warehouses and offices SY... Request

What other providers are available for CAS 119389-05-8?

In addition to the providers presented here for 5-Phenylethynylisobenzofuran-1,3-dione with the CAS number 119389-05-8, there are other 70 providers with slightly different product names available for this CAS number.

4-PEPA

Chemport Science & Technology (Shanghai) Co., Ltd. | Refine Chemical Co.,Ltd. | Hangzhou Keying Chem Co., Ltd. +2 additional providers that we know from the past

Phenyl ethynyl phthalic anhydride

Shandong Xingshun New Material Co., Ltd. | Shandong SanYoung Industry Co., Ltd | BuGuCh & Partners +8 additional providers that we know from the past

4-Phenylacetylene phthalic anhydride

Dayang Chem (Hangzhou) Co.,Ltd. +2 additional providers that we know from the past

4-(2-Phenylethynyl)phthalic anhydride