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Cas Database |
| Name |
4,5-Difluorophthalic anhydride |
EINECS | 808-095-8 |
| CAS No. | 18959-30-3 | Density | 1.659 g/cm3 |
| PSA | 43.37000 | LogP | 1.27540 |
| Solubility | N/A | Melting Point |
99-100℃ |
| Formula | C8H2F2O3 | Boiling Point | 321.228 °C at 760 mmHg |
| Molecular Weight | 184.099 | Flash Point | 143.262 °C |
| Transport Information | N/A | Appearance | N/A |
| Safety | Risk Codes | N/A | |
| Molecular Structure |
|
Hazard Symbols | Xi |
| Synonyms |
Phthalicanhydride, 4,5-difluoro- (8CI);5,6-difluoro-1,3-Isobenzofurandione; |
Article Data | 5 |
4,5-Difluorophthalic anhydride Chemical Properties
Molecular Structure of 1,3-Isobenzofurandione,5,6-difluoro- (CAS No.18959-30-3):
Molecular Formula: C8H2F2O3
Molecular Weight: 184.0965
Systematic Name: 4,5-Difluoroisobenzofuran-1,3-dione
CAS No: 18959-30-3
H bond acceptors: 3
H bond donors: 0
Freely Rotating Bonds: 0
Polar Surface Area: 43.37 Å2
Index of Refraction: 1.555
Molar Refractivity: 35.66 cm3
Molar Volume: 110.9 cm3
Surface Tension: 51.8 dyne/cm
Density: 1.658 g/cm3
Flash Point: 142.8 °C
Enthalpy of Vaporization: 56.2 kJ/mol
Boiling Point: 320.4 °C at 760 mmHg
Vapour Pressure of 1,3-Isobenzofurandione,5,6-difluoro- (CAS No.18959-30-3): 0.000319 mmHg at 25°C
Product Categories: Phthalic Acids, Esters and Derivatives
InChI: InChI=1/C8H2F2O3/c9-4-2-1-3-5(6(4)10)8(12)13-7(3)11/h1-2H
InChIKey: HOLXVIZWJDORKM-UHFFFAOYAT
Std. InChI: InChI=1S/C8H2F2O3/c9-4-2-1-3-5(6(4)10)8(12)13-7(3)11/h1-2H
Std. InChIKey: HOLXVIZWJDORKM-UHFFFAOYSA-N
4,5-Difluorophthalic anhydride Safety Profile
Safety Information of 1,3-Isobenzofurandione,5,6-difluoro- (CAS No.18959-30-3):
Hazard Codes: 
Xi
Hazard Note: Irritant
4,5-Difluorophthalic anhydride Specification
1,3-Isobenzofurandione,5,6-difluoro- (CAS No.18959-30-3), it also can be called 4,5-Difluorophthalic anhydride .
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