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ChemicalBook--->CAS DataBase List--->63440-93-7

63440-93-7

63440-93-7 Structure

63440-93-7 Structure
IdentificationBack Directory
[Name]

Cyclobis(1,4-butylene terephthalate)
[CAS]

63440-93-7
[Synonyms]

Pharacin
Pharacine
PBT DIMER
PBT Impurity 1
PBT Cyclic DiMer
Cyclobis(1,4-butylene terephthalate)
1,4-Butanediol-terephthaloyl Chloride Cyclic DiMer
3,8,12,17-tetraoxa-1,10(1,4)-dibenzenacyclooctadecaphane-2,9,11,18-tetraone
3,8,15,20-Tetraoxatricyclo[20.2.2.210,13]octacosa-10,12,22,24,25,27-hexaene-2,9,14,21-tetrone
3,8,15,20-Tetraoxatricyclo[20.2.2.210,13]octacosa-1(24),10,12,22,25,27-hexaene-2,9,14,21-tetrone
[Molecular Formula]

C24H24O8
[MDL Number]

MFCD22572530
[MOL File]

63440-93-7.mol
[Molecular Weight]

440.44
Chemical PropertiesBack Directory
[Melting point ]

193-195°C
[Boiling point ]

753.4±60.0 °C(Predicted)
[density ]

1.208±0.06 g/cm3(Predicted)
[storage temp. ]

Refrigerator
[solubility ]

Acetonitrile (Slightly, Heated)Chloroform (Slightly), Dichloromethane (Slightly)
[form ]

Solid
[color ]

White to Off-White
Safety DataBack Directory
[Symbol(GHS) ]


GHS07
[Signal word ]

Warning
[Hazard statements ]

H302-H315-H319-H335
[Precautionary statements ]

P280-P305+P351+P338
Hazard InformationBack Directory
[Uses]

Pharacine is a natural p-cyclophane from the bacterial strain Cytophaga sp. AM13.1. Pharacine is a poly(butylene terephthalate) dimer.
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