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548-83-4

Basic Information
CAS No.: 548-83-4
Name: Galangin
Article Data: 13
Molecular Structure:
Molecular Structure of 548-83-4 (Galangin)
Formula: C15H10O5
Molecular Weight: 270.241
Synonyms: Flavone,3,5,7-trihydroxy- (7CI,8CI);Galangin (6CI);3,5,7-Trihydroxyflavone;NSC407229;Norizalpinin;
EINECS: 208-960-4
Density: 1.579 g/cm3
Melting Point: 214-215 °C(lit.)
Boiling Point: 518.6 °C at 760 mmHg
Flash Point: 202 °C
Appearance: Yellowish needle-like crystal
Hazard Symbols: IrritantXi
Risk Codes: 36/37/38
Safety: 26-37/39
PSA: 90.90000
LogP: 2.57680
Synthetic route
26964-29-4

3,5,7-trimethoxyflavone

548-83-4

galangin

Conditions
ConditionsYield
Stage #1: 3,5,7-trimethoxyflavone With boron tribromide In dichloromethane at 20℃; for 24h;
Stage #2: With water In dichloromethane
83%

5,7-bis(benzyloxy)-3-hydroxy-2-phenyl-4H-chromen-4-one

548-83-4

galangin

Conditions
ConditionsYield
With palladium 10% on activated carbon; hydrogen In tetrahydrofuran; dichloromethane under 760.051 Torr; for 6h;73%

2-benzoyloxy-1-(2,4,6-tris-benzoyloxy-phenyl)-ethanone

127-08-2

potassium acetate

108-24-7

acetic anhydride

548-83-4

galangin

Conditions
ConditionsYield
Behandeln des Reaktionsprodukts mit Natronlauge;
65982-77-6

2-benzoyloxy-1-(2,4,6-trihydroxy-phenyl)-ethanone

93-97-0

benzoic acid anhydride

548-83-4

galangin

Conditions
ConditionsYield
With sodium benzoate at 165 - 170℃; Verseifen des Reaktionsprodukts mit alkoh. Kalilauge;
82451-30-7, 4197-97-1

3-phenyl-1-(2,4,6-trihydroxyphenyl)prop-2-en-1-one

548-83-4

galangin

Conditions
ConditionsYield
With air; methylene blue In methanol for 81h; Irradiation;54 % Turnov.
68592-14-3

galanginin - 3,5,7-trihydroxyflavone 3-O-β-D-glucopyranoside

548-83-4

galangin

Conditions
ConditionsYield
With water; hydrogen cation
100-22-1

N,N,N',N'-tetramethyl-para-phenylenediamine

galangin radical

A

548-83-4

galangin

B

100-22-1

N,N,N',N'-tetramethyl-para-semiquinonediimine

Conditions
ConditionsYield
at 20℃; Equilibrium constant; pH=13.5;
at 20℃; Rate constant; Equilibrium constant; pH=13.5;

galangin-8-sulfonate

548-83-4

galangin

Conditions
ConditionsYield
With hydrogenchloride for 2h; Heating;2.3 mg

galangin-3-O-β-D-glucoside-8-sulfonate

548-83-4

galangin

Conditions
ConditionsYield
With sulfuric acid for 1h; Heating;3.2 mg
galangin-5.7-dimethyl ether

galangin-5.7-dimethyl ether

548-83-4

galangin

Conditions
ConditionsYield
With hydrogen iodide
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    Product Name: Galangin Synonyms: 4H-1-Benzopyran-4-one,3,5,7-trihydroxy-2-phenyl;Galengin;3,5,7-Trihydroxy-2-phenyl-4h-benzopyran-4-one;Galangin Standard;Galangin, 98%, from Alpinia officinarum;3,5,7-Trihydroxy-2-phenyl-4H-chroMen-4-one;Galang

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  • Casno:

    548-83-4

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Specification

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.