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| CAS No.: | 548-83-4 |
|---|---|
| Name: | Galangin |
| Molecular Structure: | |
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| 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: |
 Xi
|
| Risk Codes: | 36/37/38 |
| Safety: | 26-37/39 |
| PSA: | 90.90000 |
| LogP: | 2.57680 |
- 81281-59-67-Benzylideneaminotheophylline
- 82993-81-5D-threo-Ritalinic acid hydrochloride
- 73441-42-6METHYL-5-CHLORO-2,2-DIMETHYLVALERATE
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- 99170-93-1N-Methyl-2-oxazolamine
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- 914458-26-7[5-(2-fluorophenyl)-1-pentyl-1H-pyrrol-3-yl]-1-naphthalenyl-Methanone
- 894852-01-87-BROMO-2,2-DIMETHYL-2H-PYRIDO[3,2-B][1,4]OXAZIN-3(4H)-ONE
- 26964-29-4
3,5,7-trimethoxyflavone
- 548-83-4
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% |
- 548-83-4
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; |
- 65982-77-6
2-benzoyloxy-1-(2,4,6-trihydroxy-phenyl)-ethanone
- 93-97-0
benzoic acid anhydride
- 548-83-4
galangin
| Conditions | Yield |
|---|---|
| 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 | Yield |
|---|---|
| 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 | Yield |
|---|---|
| With water; hydrogen cation |
- 100-22-1
N,N,N',N'-tetramethyl-para-phenylenediamine
A
- 548-83-4
galangin
B
- 100-22-1
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; |
- 548-83-4
galangin
| Conditions | Yield |
|---|---|
| With hydrogenchloride for 2h; Heating; | 2.3 mg |
- 548-83-4
galangin
| Conditions | Yield |
|---|---|
| With sulfuric acid for 1h; Heating; | 3.2 mg |
- 548-83-4
galangin
| Conditions | Yield |
|---|---|
| With hydrogen iodide |
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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.
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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. |