-
Name
Tangeretin
- EINECS 207-570-1
- CAS No. 481-53-8
- Article Data24
- CAS DataBase
- Density 1.244 g/cm3
- Solubility
- Melting Point 153.0 to 157.0 °C
- Formula C20H20O7
- Boiling Point 565.3 °C at 760 mmHg
- Molecular Weight 372.375
- Flash Point 248.4 °C
- Transport Information UN 2811
- Appearance yellow crystalline
- Safety 45-36-26
- Risk Codes 25-36/37/38
-
Molecular Structure
-
Hazard Symbols
T, 
Xi
- Synonyms 2-(4-Methoxyphenyl)-5,6,7,8-tetramethoxy-4H-1-benzopyran-4-one;Pentamethoxyflavone;4H-1-Benzopyran-4-one, 5,6,7,8-tetra-methoxy-2-(4-methoxyphenyl)-;4H-1-Benzopyran-4-one,5,6,7,8-tetramethoxy- 2-(4-methoxyphenyl)-;Flavone, 4,5,6,7,8-pentamethoxy- (7CI,8CI);5-18-05-00491 (Beilstein Handbook Reference);Tangeretin (6CI);4H-1-Benzopyran-4-one, 2-(4-methoxyphenyl)-5,6,7,8-tetramethoxy-;4H-1-Benzopyran-4-one, 5,6,7,8-tetramethoxy-2-(p-methoxyphenyl)-;5,6,7,8-Tetramethoxy-2-(4-methoxyphenyl)-4-benzopyrone;Ponkanetin;Flavone, 4,5,6,7,8-pentamethoxy-;4,5,6,7,8-Pentamethoxyflavone;5,6,7,8,4-Pentamethoxyflavone;TangeloTangeretin;5,6,7,8-tetramethoxy-2-(4-methoxyphenyl)chromen-4-one;Su-Orange;
- PSA 76.36000
- LogP 3.50300
Tangeretin Chemical Properties
Molecular Structure of Tangeretin (CAS NO.481-53-8):
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IUPAC Name: 5,6,7,8-tetramethoxy-2-(4-methoxyphenyl)chromen-4-one
Empirical Formula: C20H20O7
Molecular Weight: 372.3686
H bond acceptors: 7
H bond donors: 0
Freely Rotating Bonds: 6
Polar Surface Area: 72.45Å2
Index of Refraction: 1.565
Molar Refractivity: 97.59 cm3
Molar Volume: 299.2 cm3
Surface Tension: 43.5 dyne/cm
Density: 1.244 g/cm3
Flash Point: 248.4 °C
Enthalpy of Vaporization: 84.92 kJ/mol
Boiling Point: 565.3 °C at 760 mmHg
Vapour Pressure: 8.41E-13 mmHg at 25°C
EINECS: 207-570-1
Product Categories: Flavanols; Natural Plant Extract
InChI
InChI=1/C20H20O7/c1-22-12-8-6-11(7-9-12)14-10-13(21)15-16(23-2)18(24-3)20(26-5)19(25-4)17(15)27-14/h6-10H,1-5H3
Smiles
COc1c(OC)c(OC)c2c(=O)cc(c3ccc(OC)cc3)oc2c1O
Tangeretin Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| rat | LD50 | intraperitoneal | > 1gm/kg (1000mg/kg) | Advances in Teratology. Vol. 3, Pg. 181, 1968. |
Tangeretin Safety Profile
Hazard Codes: 
T,
Xi
Risk Statements: 25-36/37/38
S25:Avoid contact with eyes.
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.
Safety Statements: 45-36-26
R45:May cause cancer.
R36:Irritating to eyes.
R26:Very toxic by inhalation.
RIDADR: UN 2811
RTECS: DJ3102725
Tangeretin Specification
Tangeretin , with CAS number of 481-53-8, can be called 4H-1-Benzopyran-4-one, 5,6,7,8-tetramethoxy-2-(p-methoxyphenyl)- ; 4',5,6,7,8-Pentamethoxyflavone ; 2-(4-Methoxyphenyl)-5,6,7,8-tetramethoxy-4H-1-benzopyran-4-one ; Pentamethoxyflavone .
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