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ChemicalBook >  Product Catalog >  Organic Chemistry >  Carboxylic acids and derivatives >  Carboxylic Acid Anhydrides >  4,4'-(4,4'-ISOPROPYLIDENEDIPHENOXY)BIS(PHTHALIC ANHYDRIDE)

4,4'-(4,4'-ISOPROPYLIDENEDIPHENOXY)BIS(PHTHALIC ANHYDRIDE)

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4,4'-(4,4'-ISOPROPYLIDENEDIPHENOXY)BIS(PHTHALIC ANHYDRIDE) Basic information

Product Name:
4,4'-(4,4'-ISOPROPYLIDENEDIPHENOXY)BIS(PHTHALIC ANHYDRIDE)
Synonyms:
  • ULTEM DIANHYDRIDE
  • 4,4'-(4,4'-ISOPROPYLIDENEDIPHENOXY)BIS(PHTHALIC ANHYDRIDE)
  • 4,4'-BISPHENOL A DIANHYDRIDE
  • 5,5’-[(1-methylethylidene)bis(4,1-phenyleneoxy)]bis-3-isobenzofurandione
  • 4,4'-(4,4'-isopropylidenediphenoxy)bis-(phthalic
  • BPADA
  • 4,4'-[(isopropylidene)bis(p-phenyleneoxy)]diphthalic dianhydride
  • 5,5'-[(1-Methylethylidene)bis(4,1-phenyleneoxy)]bis-1,3-isobenzofurandione
CAS:
38103-06-9
MF:
C31H20O8
MW:
520.49
EINECS:
253-781-7
Product Categories:
  • strong recommend
  • Anhydride Monomers
  • Monomers
  • Polymer Science
  • 38103-06-9
Mol File:
38103-06-9.mol
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4,4'-(4,4'-ISOPROPYLIDENEDIPHENOXY)BIS(PHTHALIC ANHYDRIDE) Chemical Properties

Melting point:
184-187 °C(lit.)
Boiling point:
712.3±60.0 °C(Predicted)
Density 
1.406±0.06 g/cm3(Predicted)
vapor pressure 
0Pa at 25℃
storage temp. 
Inert atmosphere,Room Temperature
form 
powder to crystal
color 
White to Light yellow
InChIKey
MQAHXEQUBNDFGI-UHFFFAOYSA-N
LogP
-2.22 at 21℃
EPA Substance Registry System
1,3-Isobenzofurandione, 5,5'-[(1-methylethylidene)bis(4,1-phenyleneoxy)]bis- (38103-06-9)
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Safety Information

Hazard Codes 
Xi
Risk Statements 
36/37/38-42
Safety Statements 
26-36
WGK Germany 
3
RTECS 
NP7227500
HS Code 
29189900

MSDS

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4,4'-(4,4'-ISOPROPYLIDENEDIPHENOXY)BIS(PHTHALIC ANHYDRIDE) Usage And Synthesis

Uses

4,4'-(4,4'-Isopropylidenediphenoxy)bis(phthalic anhydride) be used for the preparation of a polyimide material.

Preparation

4,4'-(4,4'-isopropylidenediphenoxy)bis(phthalic anhydride) can be synthesized from 4-chlorophthalic anhydride and bisphenol A. Mainly includes the following steps:(1) Chlorophenyl anhydride imide, synthesis of N-Phenyltetrachlorophthalimide;(2) the synthesis of bisphenol A disodium salt;(3) Nucleophilic substitution reaction in dipolar nonproton solvent;(4) hydrolysis to bisphenol A diether tetraic acid;(5) dehydration to 4,4'-(4,4'-isopropylidenediphenoxy)bis(phthalic anhydride).

Flammability and Explosibility

Not classified

4,4'-(4,4'-ISOPROPYLIDENEDIPHENOXY)BIS(PHTHALIC ANHYDRIDE)Supplier

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