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ChemicalBook--->CAS DataBase List--->2479-49-4

2479-49-4

2479-49-4 Structure

2479-49-4 Structure
IdentificationMore
[Name]

4,4'-Carbonyldiphthalic acid
[CAS]

2479-49-4
[Synonyms]

3,3',4,4'-BENZOPHENONETETRACARBOXYLIC ACID
4,4'-CARBONYLDIPHTHALIC ACID
Benzophenone-3,3',4,4'-tetracarboxylic acid
BENZOPHENONE TETRACARBOXYLIC ACID
BTA
2-Benzenedicarboxylicacid,4,4’-carbonylbis-1
3,3’,4,4’-Diphenylketonetetracarboxylicacid
4,4’-carbonylbis-2-benzenedicarboxylicacid
4,4'-Carbonylbis(1,2-benzenedicarboxylic acid)
4,4'-Carbonylbis(phthalic acid)
[EINECS(EC#)]

219-613-1
[Molecular Formula]

C17H10O9
[MDL Number]

MFCD00020283
[Molecular Weight]

358.26
[MOL File]

2479-49-4.mol
Chemical PropertiesBack Directory
[Melting point ]

224 °C
[Boiling point ]

734.0±60.0 °C(Predicted)
[density ]

1.645±0.06 g/cm3(Predicted)
[Fp ]

99 °C
[storage temp. ]

Sealed in dry,2-8°C
[form ]

Solid
[pka]

2.43±0.10(Predicted)
[color ]

White to off-white
[Water Solubility ]

Water : 7.2 mg/mL (20.10 mM)
[CAS DataBase Reference]

2479-49-4(CAS DataBase Reference)
[EPA Substance Registry System]

2479-49-4(EPA Substance)
Raw materials And Preparation ProductsBack Directory
[Raw materials]

o-Xylene
[Preparation Products]

Acesulfame-->Acesulfame potassium-->Raspberry Ketone-->AMBRETTOLIDE-->FENTIAZAC-->1,5-DIMETHYL-2-PYRROLIDINONE-->3,3',4,4'-Benzophenonetetracarboxylic dianhydride
Hazard InformationBack Directory
[Chemical Properties]

The melting point of this product is 212 °C.
[Uses]

4,4'-Carbonyldiphthalic acid is the monomer of ether type polyimide.
[Synthesis]

4,4'-Carbonyldiphthalic acid is obtained from ortho-xylene by condensation with formaldehyde and oxidation of nitric acid.
[storage]

Store at -20°C
Spectrum DetailBack Directory
[Spectrum Detail]

4,4'-Carbonyldiphthalic acid(2479-49-4)1HNMR
Well-known Reagent Company Product InformationBack Directory
[Sigma Aldrich]

2479-49-4(sigmaaldrich)
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