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Name |
Galangin |
EINECS | 208-960-4 |
CAS No. | 548-83-4 | Density | 1.579 g/cm3 |
PSA | 90.90000 | LogP | 2.57680 |
Solubility | N/A | Melting Point |
214-215 °C(lit.) |
Formula | C15H10O5 | Boiling Point | 518.6 °C at 760 mmHg |
Molecular Weight | 270.241 | Flash Point | 202 °C |
Transport Information | N/A | Appearance | Yellowish needle-like crystal |
Safety | 26-37/39 | Risk Codes | 36/37/38 |
Molecular Structure | Hazard Symbols | Xi | |
Synonyms |
Flavone,3,5,7-trihydroxy- (7CI,8CI);Galangin (6CI);3,5,7-Trihydroxyflavone;NSC407229;Norizalpinin; |
Article Data | 13 |
3,5,7-trimethoxyflavone
galangin
Conditions | Yield |
---|---|
Stage #1: 3,5,7-trimethoxyflavone With boron tribromide In dichloromethane at 20℃; for 24h; Stage #2: With water In dichloromethane | 83% |
galangin
Conditions | Yield |
---|---|
With palladium 10% on activated carbon; hydrogen In tetrahydrofuran; dichloromethane under 760.051 Torr; for 6h; | 73% |
Conditions | Yield |
---|---|
Behandeln des Reaktionsprodukts mit Natronlauge; |
2-benzoyloxy-1-(2,4,6-trihydroxy-phenyl)-ethanone
benzoic acid anhydride
galangin
Conditions | Yield |
---|---|
With sodium benzoate at 165 - 170℃; Verseifen des Reaktionsprodukts mit alkoh. Kalilauge; |
3-phenyl-1-(2,4,6-trihydroxyphenyl)prop-2-en-1-one
galangin
Conditions | Yield |
---|---|
With air; methylene blue In methanol for 81h; Irradiation; | 54 % Turnov. |
galanginin - 3,5,7-trihydroxyflavone 3-O-β-D-glucopyranoside
galangin
Conditions | Yield |
---|---|
With water; hydrogen cation |
N,N,N',N'-tetramethyl-para-phenylenediamine
A
galangin
B
N,N,N',N'-tetramethyl-para-semiquinonediimine
Conditions | Yield |
---|---|
at 20℃; Equilibrium constant; pH=13.5; | |
at 20℃; Rate constant; Equilibrium constant; pH=13.5; |
galangin
Conditions | Yield |
---|---|
With hydrogenchloride for 2h; Heating; | 2.3 mg |
galangin
Conditions | Yield |
---|---|
With sulfuric acid for 1h; Heating; | 3.2 mg |
galangin
Conditions | Yield |
---|---|
With hydrogen iodide |
The Galangin is an organic compound with the formula C15H10O5. The IUPAC name of this chemical is 3,5,7-trihydroxy-2-phenylchromen-4-one. With the CAS registry number 548-83-4, it is also named as 4H-1-Benzopyran-4-one, 3,5,7-trihydroxy-2-phenyl-. The product's category is Flavanols. Besides, it should be stored in a closed and well-ventilated place.
Physical properties about Galangin are: (1)ACD/LogP: 2.83; (2)ACD/LogD (pH 5.5): 2.76; (3)ACD/LogD (pH 7.4): 1.49; (4)ACD/BCF (pH 5.5): 70.37; (5)ACD/BCF (pH 7.4): 3.85; (6)ACD/KOC (pH 5.5): 697.2; (7)ACD/KOC (pH 7.4): 38.12; (8)#H bond acceptors: 5; (9)#H bond donors: 3; (10)#Freely Rotating Bonds: 4; (11)Polar Surface Area: 53.99 Å2; (12)Index of Refraction: 1.747; (13)Molar Refractivity: 69.55 cm3; (14)Molar Volume: 171.1 cm3; (15)Polarizability: 27.57×10-24cm3; (16)Surface Tension: 84.9 dyne/cm; (17)Density: 1.579 g/cm3; (18)Flash Point: 202 °C; (19)Enthalpy of Vaporization: 82.11 kJ/mol; (20)Boiling Point: 518.6 °C at 760 mmHg; (21)Vapour Pressure: 2.24E-11 mmHg at 25°C.
Uses of Galangin: it can be used to produce 3,5,7-trimethoxy-2-phenyl-chromen-4-one. It will need reagent K2CO3.
When you are using this chemical, please be cautious about it as the following:
This chemical is irritating to eyes, respiratory system and skin. When you are using it, wear suitable gloves and eye/face protection. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
You can still convert the following datas into molecular structure:
(1)SMILES: O=C1c3c(O/C(=C1/O)c2ccccc2)cc(O)cc3O
(2)InChI: InChI=1/C15H10O5/c16-9-6-10(17)12-11(7-9)20-15(14(19)13(12)18)8-4-2-1-3-5-8/h1-7,16-17,19H
(3)InChIKey: VCCRNZQBSJXYJD-UHFFFAOYAC
(4)Std. InChI: InChI=1S/C15H10O5/c16-9-6-10(17)12-11(7-9)20-15(14(19)13(12)18)8-4-2-1-3-5-8/h1-7,16-17,19H
(5)Std. InChIKey: VCCRNZQBSJXYJD-UHFFFAOYSA-N
The toxicity data is as follows:
Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
---|---|---|---|---|---|
mouse | LD | oral | > 1500mg/kg (1500mg/kg) | Dokl Akad Nauk resp. Uzb.Vol. (9-10), Pg. 55, 1995. |