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119389-05-8

Basic Information
CAS No.: 119389-05-8
Name: 1,3-Isobenzofurandione, 5-(2-phenylethynyl)-
Molecular Structure:
Molecular Structure of 119389-05-8 (1,3-Isobenzofurandione, 5-(2-phenylethynyl)-)
Formula: C16H8O3
Molecular Weight: 252.26
Synonyms: 1,3-Isobenzofurandione, 5-(phenylethynyl)-;4-phenylethynyl phthalic anhydride(4-PEPA);4-Phenylethynylphthalic anhydride;
EINECS: 601-604-2
Density: 1.38 g/cm3
Melting Point: 152 °C
Boiling Point: 466.881 °C at 760 mmHg
Flash Point: 235.424 °C
Solubility:
Appearance:
Hazard Symbols:
Risk Codes: 36/37/38
Safety: 26-36/37/39
Transport Information:
PSA: 43.37000
LogP: 2.39700
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  • 1,3-Isobenzofurandione, 5-(2-phenylethynyl)-4-PEPA

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    1,3-Isobenzofurandione, 5-(2-phenylethynyl)-4-PEPA

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Chemistry

IUPAC Name: 5-(2-Phenylethynyl)-2-benzofuran-1,3-dione
Synonyms of 1,3-Isobenzofurandione, 5-(2-phenylethynyl)- (CAS NO.119389-05-8): 1,3-Isobenzofurandione, 5-(phenylethynyl)-
CAS NO: 119389-05-8
Classification Code: TSCA Flag P [A commenced PMN (Premanufacture Notice) substance]
Molecular Formula: C16H8O3
Molecular Weight: 248.2329
Molecular Structure:

Melting Point: 152 °C
ProductCategories: Acetylenes ; Functionalized Acetylenes 
Polar Surface Area: 43.37 Å2
Index of Refraction: 1.679
Molar Refractivity: 67.915 cm3
Molar Volume: 179.842 cm3
Surface Tension: 66.015 dyne/cm
Density of 1,3-Isobenzofurandione, 5-(2-phenylethynyl)- (CAS NO.119389-05-8): 1.38 g/cm3
Flash Point: 235.424 °C
Enthalpy of Vaporization: 72.876 kJ/mol
Boiling Point: 466.881 °C at 760 mmHg 

Safety Profile

Risk Statements of 1,3-Isobenzofurandione, 5-(2-phenylethynyl)- (CAS NO.119389-05-8): 36/37/38 
R36/37/38: Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36/37/39 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36/37/39: Wear suitable protective clothing, gloves and eye/face protection.