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38103-06-9

Basic Information
CAS No.: 38103-06-9
Name: 1,3-Isobenzofurandione, 5,5'-((1-methylethylidene)bis(4,1-phenyleneoxy))bis-
Molecular Structure:
Molecular Structure of 38103-06-9 (1,3-Isobenzofurandione, 5,5'-((1-methylethylidene)bis(4,1-phenyleneoxy))bis-)
Formula: C31H20O8
Molecular Weight: 520.49
Synonyms: 2,2-Bis[4-(3,4-dicarboxyphenoxy)phenyl]propanedianhydride;4,4'-[Isopropylidenebis(p-phenyleneoxy)]diphthalic anhydride;BisphenolA dianhydride;Ultem DA;
EINECS: 253-781-7
Density: 1.406 g/cm3
Melting Point: 184-187 °C(lit.)
Boiling Point: 712.283 °C at 760 mmHg
Flash Point: 302.233 °C
Solubility:
Appearance:
Hazard Symbols: IrritantXi
Risk Codes: 36/37/38-42
Safety: 26-36
Transport Information:
PSA: 105.20000
LogP: 6.21830
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Chemistry

IUPAC Name: 5-[4-[2-[4-[(1,3-Dioxo-2-benzofuran-5-yl)oxy]phenyl]propan-2-yl]phenoxy]-2-benzofuran-1,3-dione
Synonyms of 1,3-Isobenzofurandione, 5,5'-((1-methylethylidene)bis(4,1-phenyleneoxy))bis- (CAS NO.38103-06-9): 2,2-Bis(4-(3,4-dicarboxyphenoxy)phenyl)propane dianhydride ; EINECS 253-781-7 ; 4,4'-((Isopropylidene)bis(p-phenyleneoxy))diphthalic dianhydride
CAS NO: 38103-06-9
Molecular Formula: C31H20O8
Molecular Weight: 520.4857
Molecular Structure:

Melting Point: 184-187 °C
ProductCategories: Anhydride Monomers ; Monomers ; Polymer Science 
Polar Surface Area: 105.2 Å2
Index of Refraction: 1.656
Molar Refractivity: 136.15 cm3
Molar Volume: 370.1 cm3
Surface Tension: 60.9 dyne/cm
Density of 1,3-Isobenzofurandione, 5,5'-((1-methylethylidene)bis(4,1-phenyleneoxy))bis- (CAS NO.38103-06-9): 1.406 g/cm3
Flash Point: 302.2 °C
Enthalpy of Vaporization: 104.14 kJ/mol
Boiling Point: 712.3 °C at 760 mmHg
Vapour Pressure: 3.89E-20 mmHg at 25°C

Safety Profile

Hazard Codes of 1,3-Isobenzofurandione, 5,5'-((1-methylethylidene)bis(4,1-phenyleneoxy))bis- (CAS NO.38103-06-9): IrritantXi
Risk Statements: 36/37/38-42  
R36/37/38: Irritating to eyes, respiratory system and skin. 
R42: May cause sensitization by inhalation.
Safety Statements: 26-36 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36: Wear suitable protective clothing.
WGK Germany: 3