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CAS No.: | 491-78-1 |
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Name: | 5-HYDROXYFLAVONE |
Article Data: | 38 |
Molecular Structure: | |
Formula: | C15H10O3 |
Molecular Weight: | 238.243 |
Synonyms: | Flavone,5-hydroxy- (7CI,8CI);5-Hydroxy-2-phenyl-4H-chromen-4-one;5-Hydroxy-2-phenylchromen-4-one;5-Hydroxy-2-phenylchromone;NSC 26745;Primuletin; |
EINECS: | 207-743-1 |
Density: | 1.34 g/cm3 |
Melting Point: | 158-160°C |
Boiling Point: | 425 °C at 760 mmHg |
Flash Point: | 165.4 °C |
Hazard Symbols: | Xi |
Risk Codes: | 36/37/38 |
Safety: | 26-36-36/37/39-27 |
PSA: | 50.44000 |
LogP: | 3.16560 |
IUPAC Name: 5-hydroxy-2-phenylchromen-4-one
Empirical Formula: C15H10O3
Molecular Weight: 238.2381g/mol
EINECS: 207-743-1
Structure of 4H-1-Benzopyran-4-one,5-hydroxy-2-phenyl- (CAS NO.491-78-1):
Molar Volume: 177.7 cm3
Polarizability: 26.19×10-24cm3
Surface Tension: 58.2 dyne/cm
Density: 1.34 g/cm3
Flash Point: 165.4 °C
Enthalpy of Vaporization: 70.59 kJ/mol
Melting Point: 158-160°C
Boiling Point: 425 °C at 760 mmHg
Vapour Pressure: 7.97E-08 mmHg at 25°C
Product Categories: Mono-substituted Flavones;Biochemistry;Flavonoids
Canonical SMILES: C1=CC=C(C=C1)C2=CC(=O)C3=C(O2)C=CC=C3O
InChI: InChI=1S/C15H10O3/c16-11-7-4-8-13-15(11)12(17)9-14(18-13)10-5-2-1-3-6-10/h1-9,16H
InChIKey: IYBLVRRCNVHZQJ-UHFFFAOYSA-N
Hazard Codes: Xi
Risk Statements: 36/37/38
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36-36/37/39-27
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.
S27:Take off immediately all contaminated clothing.
WGK Germany: 3
4H-1-Benzopyran-4-one,5-hydroxy-2-phenyl- , its cas register number is 491-78-1. It also can be called 5-Hydroxyflavone ; NSC 26745 ; Primuletin . 4H-1-Benzopyran-4-one,5-hydroxy-2-phenyl- (CAS NO.491-78-1) is irritating to eyes, respiratory system and skin.