4,4'-(4,4'-Isopropylidenediphenoxy)diphthalic Anhydride

Also known as: 4,4'-(4,4'-isopropylidenediphenoxy)bis(phthalic anhydride), 2,2-Bis[4-(3,4-dicarboxyphenoxy)phenyl]propane dianhydride, BPADA, 5,5'-[Propane-2,2-diylbis(4,1-phenyleneoxy)]bis(2-benzofuran-1,3-dione), ULTEM DIANHYDRIDE, 1,3-Isobenzofurandione, 5,5'-[(1-methylethylidene)bis(4,1-phenyleneoxy)]bis-, MFCD00319167, EINECS 253-781-7

4,4'-(4,4'-Isopropylidenediphenoxy)diphthalic Anhydride (CAS 38103-06-9) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C31H20O8 and a molecular weight of 520.486 g/mol. Key properties include a melting point of 184-187ºC, a boiling point of 712.3±60.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 302.2±32.9 °C. It is listed by 1 supplier; request a quote for pricing. Record last updated Aug 21, 2026.

CAS No.: 38103-06-9
Jingsj CID: J-1333211-1
Molecular Formula: C₃₁H₂₀O₈
Molecular Weight: 520.486 g/mol
Category: Alcohols
Last updated: 8/21/2026

Made to Order

Request MSDS / TDS

Supplier Offers

1Request a quote

Filter:

Supplier	Purity / Pack	Base Price	Unit Price	Origin
Jingheng Materials Made to Order		-	-	CN China	Visit Website

Physicochemical Properties

Melting Point	184-187ºC
Boiling Point	712.3±60.0 °C at 760 mmHg
Density	1.4±0.1 g/cm3
Flash Point	302.2±32.9 °C
Exact Mass	520.115845
PSA	105.20000
LogP	7.65
Vapor Pressure	0.0±2.3 mmHg at 25°C
Refractive Index	1.657

Customs & Trade Information

HS Code	2932999099
Summary	2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 4,4'-(4,4'-Isopropylidenediphenoxy)diphthalic Anhydride?

The CAS number of 4,4'-(4,4'-Isopropylidenediphenoxy)diphthalic Anhydride is 38103-06-9.

What are the molecular formula and molecular weight of 4,4'-(4,4'-Isopropylidenediphenoxy)diphthalic Anhydride?

4,4'-(4,4'-Isopropylidenediphenoxy)diphthalic Anhydride has molecular formula C31H20O8 and molecular weight 520.486 g/mol.

Which suppliers offer 4,4'-(4,4'-Isopropylidenediphenoxy)diphthalic Anhydride?

1 supplier(s) listed; request a quote for pricing.

What are the upstream and downstream products of 4,4'-(4,4'-Isopropylidenediphenoxy)diphthalic Anhydride?

For 4,4'-(4,4'-Isopropylidenediphenoxy)diphthalic Anhydride, Upstream Products: 4-Fluorophthalic anhydride, 4-Chlorophthalic anhydride, Bisphenol A.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "4,4'-(4,4'-Isopropylidenediphenoxy)diphthalic Anhydride (CAS 38103-06-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1333211-1 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.