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4,4'-(4,4'-Isopropylidenediphenoxy)bis-(phthalic anhydride)

BGC Id:361848735414
CAS No:38103-06-9
Synonyms:4,4'-(4,4'-isopropylidenediphenoxy)bis-(phthalic ; bpada ; 4,4'-bisphenol a dianhydride ; isopropylidenediphenoxy)bis-(phthalic anhydride) (bpada) ; 2,2-bis[4-(3,4-dicarboxyphenoxy)phenyl]propane dianhydride ; 4,4'-(4,4'-isopropylidenediphenoxy)diphthalic anhydride ; 2,2-bis [4-(3,4dicarboxyphenoxy) phenyl] propane dianhydride(bpa ; 4,4'-[(isopropylidene)bis(p-phenyleneoxy)]diphthalic dianhydride ; ultem dianhydride ; 4,4'-(4,4'-isopropylidenediphenoxy)bis(phthalic anhydride)
Molecular Formula:C31H20O8
Molecular Weight:520.49
EINECS:253-781-7
Structural Formula

Verified providers in 2025

The following 8 notable providers have been checked and can be recommended.
Chemical-Suppliers
Leap Chem
Molecular Formula: C31H20O8 Molecular Weight: 520.49 Hazard Symbols: Xi WGKGermany: 3 HS Code: 29189900

The last intensive check and update was carried out on 2025/10/30.

Identify

Synonyms:
4,4'-(4,4'-isopropylidenediphenoxy)bis-(phthalic ; bpada ; 4,4'-bisphenol a dianhydride ; isopropylidenediphenoxy)bis-(phthalic anhydride) (bpada) ; 2,2-bis[4-(3,4-dicarboxyphenoxy)phenyl]propane dianhydride ; 4,4'-(4,4'-isopropylidenediphenoxy)diphthalic anhydride ; 2,2-bis [4-(3,4dicarboxyphenoxy) phenyl] propane dianhydride(bpa ; 4,4'-[(isopropylidene)bis(p-phenyleneoxy)]diphthalic dianhydride ; ultem dianhydride ; 4,4'-(4,4'-isopropylidenediphenoxy)bis(phthalic anhydride)
CAS:
38103-06-9
EINECS:
253-781-7
Molecular Formula:
C31H20O8
MDL:
MFCD00319167

Properties

Molecular Weight:
520.49 g·mol−1
Melting point:
184-187 °C(lit.)
download Download Molfile for :
4,4'-(4,4'-Isopropylidenediphenoxy)bis(phthalic anhydride)

Suppliers

Chemport Science & Technology (Shanghai) Co., Ltd.

Tipo de companhia: Producer and trading company
Chemport is a R&D oriented company, providing innovative synthesis solutions to the customers in China and aboard. 4-PEPA será também fornecida por nós. Our products are used in pharmaceutical, coating, polymer monomer etc. Since Chemport was established, our fouders have a simple goal: together for better solution. Now Chemport is an ideal partner for customer synthesis to global partners. We are always offering high-qualified products ranging from laboratory, pilot plant to industrial scale, covering sorts of ...
país: P.R.China   telefone: +86 21 5838 1983   fax: +86 21 5076 2876

Shandong Ench Chemical Co.,Ltd

Tipo de companhia: Producer
país: P.R.China
telefone: +86-13869131854
fax: +86 531-8637666
Shandong Ench Chemical Co.Ltd is a professional manufacturers and supplier in the world ,the main product include chemical pharmaceuticals and intermediates, food and feed additives, herbal extracts, agrochemicals and fine chemicals etc. It is a privet-owned enterprise and located in Zhangqiu industrial park, We believe that quality is the life of our company. Shandong Ench Chemical Co.,Ltd também oferece 1,2-O-Isopropylidene-alpha-D-xylofuranose. We manufacture our products in strict accordance with ISO9001: 2000 quality management system during the whole entire ...

Finetech Industry Limited

Finetech Industry Limited is a company in England,which specializing in developing, manufacturing and marketing fine organic compounds and intermediates for the pharmaceutical industry. Most of our products were exported to the North America, Europe and Oceania. Nós somos fornecedor de Astaxanthin. Our factory is in China,we supply Fluorochemicals, Pyrimidines, Pyridines, Amines, Nitriles, Carboxylic Acids or Ester, Phenols or Alcohols, Aldehydes, Piperidines, Piperazines, Pyrazines, Boric Acids, Amino Acids, ...
Tipo de companhia: Producer
país: P.R.China
telefone: +86-27-8746 5837
fax: +86-27-8777 2287

Dayang Chem (Hangzhou) Co.,Ltd.

Tipo de companhia: Leading producer
Hangzhou DayangChem Co. Ltd is a comprehensive entity which specializes in development, production and trade of pharmaceutical, agrochemical and dyestuff intermediates as well as some special type reagents. Fornecemos 3,5-Difluoro-4-nitroanisole bem. We have an own factory and share enterprises. We act also as agent of many chemical factories and promote their products to the international market at very competitive price. We take "Credi first, Clients supreme" as our aim. We expect to cooperate with more partners in ...
país: P.R.China   telefone: +86-571-88938639   fax: +86-571-8893-8652

Hangzhou Lingrui Chemical Co., Ltd.

Tipo de companhia: Producer
país: P.R.China
telefone: +86-571-88092529
fax: +86-571-87334908
Established in 2010, located in Hangzhou Qinglan science park, lingruichem is a technical company mainly focus on the Custom synthesis, manufacturing, sales of chemicals to various industries. In our R&D centre, we have a staff of skilled and experienced research chemists. Nós vendemos 1,2-Ethanedithiol bem. This has enabled us to meet the special requirements of our customers and it has enabled us to provide quality products at competitive prices. Lingrui’s credo is committed to your reliable business partne ...

AK Scientific, Inc.

AK Scientific provides fine chemicals and advanced intermediates to our customers worldwide. Currently, we have over 16.000 in stock, ready to ship products, at our California warehouse and this number is increasing weekly. All these products are stocked in multiple, convenient, sizes to fit your specific needs. Fornecemos Disodium 4,4'-diazidostilbene-2,2'-disulfonate 4-hydrate bem. Purchases are shipped on the same day your order is placed (before 4PM, Pacific Time) to ensure on-time delivery. AK Scientific products can be searched by Name (or ...
Tipo de companhia: Supplier
país: USA
telefone: +1 (510) 429-8835
fax: +1 (510) 429-8836

Leap Chem Co., Ltd

Tipo de companhia: Bulk and laboratory supplier
LEAPChem, a specialized fine chemicals supplier for research, development and production. Fornecemos 2,2,3,3,3-Pentafluoropropionamide bem. LEAPChem provides nearly 50,000 rare and innovative chemical products to support the evolving needs of our customers in research & bulk manufacturing activities. As a highly customer-oriented enterprise, we are committed to providing high-quality customer services and products to our global customers in a cost-effective and efficient manner. Our client list includes many major pharmac ...
país: P.R.China   telefone: +852-30606658  

BuGuCh & Partners

Tipo de companhia: Producer
país: 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 ...

Safety Information

Hazard Classes:
Risk Codes:
36/37/38-42 (R)
Safety Codes:
26-36 (S)
WGK Germany:
3

What other providers are available for CAS 38103-06-9?

In addition to the providers presented here for 4,4'-(4,4'-Isopropylidenediphenoxy)bis-(phthalic anhydride) with the CAS number 38103-06-9, there are other 22 providers with slightly different product names available for this CAS number.

Refine Chemical Co.,Ltd. +2 additional providers that we know from the past
Sancai Industry Co.,Ltd. | Zehao Industry Co., Ltd. | Carbone Scientific Co., Ltd.
Simagchem Corporation | Shandong Ench Chemical Co.,Ltd | Xiamen Hisunny Chemical Co., Ltd. | Hangzhou Meite Industry Co., Ltd (Hangzhou Meite Chemical Co., Ltd) | Shandong SanYoung Industry Co., Ltd | Xiamen Equation Chemical Co.,Ltd +5 additional providers that we know from the past
BLD Pharmatech Ltd +4 additional providers that we know from the past




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