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7758-73-8

Basic Information
CAS No.: 7758-73-8
Name: 5 7-DIHYDROXY-4-PHENYLCOUMARIN
Article Data: 59
Molecular Structure:
Molecular Structure of 7758-73-8 (5 7-DIHYDROXY-4-PHENYLCOUMARIN)
Formula: C15H10O4
Molecular Weight: 254.242
Synonyms: Coumarin,5,7-dihydroxy-4-phenyl- (6CI,7CI,8CI);5,7-Dihydroxy-4-phenylcoumarin;5,7-Dihydroxy-4-phenyl-2H-1-benzopyran-2-one;
Density: 1.443 g/cm3
Melting Point: 227-233 °C(lit.)
Boiling Point: 535.5 °C at 760 mmHg
Flash Point: 210.5 °C
Hazard Symbols: IrritantXi
Risk Codes: 36/37/38
Safety: 26-36
PSA: 70.67000
LogP: 2.87120
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Specification

The CAS register number of 2H-1-Benzopyran-2-one,5,7-dihydroxy-4-phenyl- is 7758-73-8. It also can be called as 5,7-Dihydroxy-4-phenylcoumarin and the IUPAC name about this chemical is  5,7-dihydroxy-4-phenylchromen-2-one. The molecular formula about this chemical is C15H10O4 and the molecular weight is 254.24. It belongs to the following product categories which include Coumarin; Building Blocks; Coumarins; Heterocyclic Building Blocks and so on.

Physical properties about 2H-1-Benzopyran-2-one,5,7-dihydroxy-4-phenyl- are: (1)ACD/LogP: 4.19; (2)#H bond acceptors: 4; (3)#H bond donors: 2; (4)#Freely Rotating Bonds: 3; (5)Polar Surface Area: 44.76 Å2; (6)Index of Refraction: 1.698; (7)Molar Refractivity: 67.97 cm3; (8)Molar Volume: 176.1 cm3; (9)Polarizability: 26.94x10-24cm3; (10)Surface Tension: 68.2 dyne/cm; (11)Density: 1.443 g/cm3; (12)Flash Point: 210.5 °C; (13)Enthalpy of Vaporization: 84.24 kJ/mol; (14)Boiling Point: 535.5 °C at 760 mmHg; (15)Vapour Pressure: 4.42E-12 mmHg at 25 °C.

When you are using this chemical, please be cautious about it as the following:
This chemical is irritating to eyes, respiratory system and skin. If you want to use it, wear suitable protective clothing. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. If you want to store it, you should keep the container tightly sealed in dry, cool places and avoid contact with strong oxidants. If you store and use this chemical according the rule, it will not be decomposed.

You can still convert the following datas into molecular structure:
(1)SMILES: O=C/2Oc1cc(O)cc(O)c1\C(=C\2)c3ccccc3
(2)InChI: InChI=1/C15H10O4/c16-10-6-12(17)15-11(9-4-2-1-3-5-9)8-14(18)19-13(15)7-10/h1-8,16-17H
(3)InChIKey: HUQKUJNSVHEHIH-UHFFFAOYAI
(4)Std. InChI: InChI=1S/C15H10O4/c16-10-6-12(17)15-11(9-4-2-1-3-5-9)8-14(18)19-13(15)7-10/h1-8,16-17H
(5)Std. InChIKey: HUQKUJNSVHEHIH-UHFFFAOYSA-N