Skip to Content
Merck
All Photos(3)

Key Documents

478032

Sigma-Aldrich

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

97%

Synonym(s):

4,4′-(4,4′-Isopropylidenediphenoxy)bisphthalic dianhydride, 4,4′-(4,4′-Isopropylidenediphenoxy)diphthalic dianhydride, 4,4′-Bisphenol A diphthalic anhydride, 4,4′-[4,4′-Isopropylidenedi(p -phenyleneoxy)]bis(phthalic anhydride), Bisphenol A dianhydride

Sign Into View Organizational & Contract Pricing


About This Item

Empirical Formula (Hill Notation):
C31H20O8
CAS Number:
Molecular Weight:
520.49
EC Number:
MDL number:
UNSPSC Code:
12162002
PubChem Substance ID:
NACRES:
NA.23

Assay

97%

mp

184-187 °C (lit.)

SMILES string

CC(C)(c1ccc(Oc2ccc3C(=O)OC(=O)c3c2)cc1)c4ccc(Oc5ccc6C(=O)OC(=O)c6c5)cc4

InChI

1S/C31H20O8/c1-31(2,17-3-7-19(8-4-17)36-21-11-13-23-25(15-21)29(34)38-27(23)32)18-5-9-20(10-6-18)37-22-12-14-24-26(16-22)30(35)39-28(24)33/h3-16H,1-2H3

InChI key

MQAHXEQUBNDFGI-UHFFFAOYSA-N

Application

  • Phosphorus-containing polyimide fibers and their thermal properties: The study presents the synthesis of phosphorus-containing polyimides using 4,4′-(4,4′-Isopropylidenediphenoxy)bis(phthalic anhydride) for enhanced thermal properties. This research could be relevant for materials science in high-temperature applications (Serbezeanu et al., 2016).
  • Thermal and chemical stability properties: The research discusses the synthesis of high-performance polyimides using 4,4′-(4,4′-Isopropylidene-diphenoxy)bis(phthalic anhydride), highlighting their excellent thermal and chemical resistance, pertinent to materials used in harsh environments (Othman et al., 2018).
  • Synthesis and comparative study on polyetherimides: This study examines different isomers of 4,4′-Isopropylidenediphenoxy bis(phthalic anhydride) to develop polyetherimides with varied properties, useful in customizing materials for specific industrial applications (Jiang et al., 2021).
  • Highly soluble and thermally stable copolyimides: The paper reports on the modification of copolyimides with 4,4′-(4,4′-isopropylidenediphenoxy)bis(phthalic anhydride), aiming at enhancing solubility and thermal stability, critical for electronic and aerospace applications (Yao et al., 2015).
  • Structure–promoted high performance properties: Discusses the synthesis of polyimides and copolyimides from 4,4′-(4,4′-isopropylidenediphenoxy)bis(phthalic anhydride) with enhanced structural properties for high-performance polymers used in advanced technological applications (Sava et al., 2018).

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 3

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service