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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 2026

The following 9 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 2026/06/04.

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.

Company type: Producer and trading company
Chemport is a R&D oriented company, providing innovative synthesis solutions to the customers in China and aboard. 4-PEPA will be also provided by us. 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 ...
Country: P.R.China   Phone: +86 21 5838 1983   Telefax: +86 21 5076 2876

Shandong Ench Chemical Co.,Ltd

Company type: Producer
Country: P.R.China
Phone: +86-13869131854
Telefax: +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 also offers 1,2-O-Isopropylidene-alpha-D-xylofuranose. We manufacture our products in strict accordance with ISO9001: 2000 quality management system during the whole entire ...

Shandong Minglang Chemical Co., Ltd

Minglang Chemical is owned by Minglang Group,is a large manufacturer of fine chemicals and cosmetic materials that integrates R&D,production and sales together.It is located in the east of the Nanwang Economic Development District in Linzi,and the west of it is Qilu Petroleum Chemical Group,the east of it is Zijiang Road and the transportation is convenient.The enterprise covers an area of 9,000 square meters and the building area can be 3,200 square meters. We are supplier of 2-Aminoethyldiisopropylamine. In recent years,t ...
Company type: Producer
Country: P.R.China
Phone: +86-13220566916
Telefax: +86 531 58990167

Dayang Chem (Hangzhou) Co.,Ltd.

Company type: 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. We provide 3,5-Difluoro-4-nitroanisole as well. 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 ...
Country: P.R.China   Phone: +86-571-88938639   Telefax: +86-571-8893-8652

Hangzhou Lingrui Chemical Co., Ltd.

Company type: Producer
Country: P.R.China
Phone: +86-571-88092529
Telefax: +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. We sell 1,2-Ethanedithiol as well. 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 ...

Xingrui Industry Co., Limited

Xingrui Industry CO., LTD. is a professional manufacturing enterprise integrating R&D, production and sales. The products involved fine chemicals, pharmaceutical intermediates, dye intermediates, cosmetic raw materials and so on. We provide Adogen 464 as well. The company is ranked among the outstanding producers in the fine chemical industry. Xingrui Industry always strive to be the most reliable partner of our customers, and strive to build a customer-trusted, socially respected, world-class fine chemi ...
Company type: Leading producer
Country: P.R.China
Phone: +86-531-88980365
Telefax: +86-531-88980365

AK Scientific, Inc.

Company type: Supplier
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. Purchases are shipped on the same day your order is placed (before 4PM, Pacific Time) to ensure on-time delivery. AK Scientific, Inc. is a seller of Disodium 4,4'-diazidostilbene-2,2'-disulfonate 4-hydrate. AK Scientific products can be searched by Name (or ...
Country: USA   Phone: +1 (510) 429-8835   Telefax: +1 (510) 429-8836

Leap Chem Co., Ltd

Company type: Bulk and laboratory supplier
Country: P.R.China
Phone: +852-30606658
LEAPChem, a specialized fine chemicals supplier for research, development and production. LEAPChem provides nearly 50,000 rare and innovative chemical products to support the evolving needs of our customers in research & bulk manufacturing activities. Leap Chem Co., Ltd is a seller of 2,2,3,3,3-Pentafluoropropionamide. 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 ...

BuGuCh & Partners

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 ...
Company type: Producer
Country: Germany

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.
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 +6 additional providers that we know from the past
+5 additional providers that we know from the past




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