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Cas Database |
| Name |
7-Hydroxyquinolinone |
EINECS | 812-453-9 |
| CAS No. | 70500-72-0 | Density | 1.282g/cm3 |
| PSA | 53.09000 | LogP | 1.23370 |
| Solubility | N/A | Melting Point |
187-192°C |
| Formula | C9H7 N O2 | Boiling Point | 403.7oC at 760 mmHg |
| Molecular Weight | 161.16 | Flash Point | 198°C |
| Transport Information | N/A | Appearance | Pale yellow powder |
| Safety | Risk Codes | R22; R43 | |
| Molecular Structure |
|
Hazard Symbols |
 Xn, Xi
|
| Synonyms |
7-Hydroxy-1H-quinolin-2-one;7-Hydroxy-2(1H)-quinolinone; 7-Hydroxycarbostyril |
Article Data | 24 |
7-Hydroxyquinolinone Synthetic route
- 22246-18-0
7-hydroxy-3,4-dihydro-2-(1H)-quinolinone
- 70500-72-0
7-hydroxy-1H-quinolin-2-one
| Conditions | Yield |
|---|---|
| With palladium 10% on activated carbon; water; oxygen; acetic acid at 110 - 116℃; for 18h; Reagent/catalyst; Temperature; | 94.2% |
| With palladium 10% on activated carbon In decalin at 180℃; for 8h; | 90.9% |
| With 2,3-dicyano-5,6-dichloro-p-benzoquinone In tetrahydrofuran at 66℃; for 4h; Catalytic behavior; Concentration; Solvent; Temperature; | 89% |
- 220364-99-8
2-oxo-1,2-dihydroquinolin-7-yl-acetate
- 70500-72-0
7-hydroxy-1H-quinolin-2-one
| Conditions | Yield |
|---|---|
| With sodium hydroxide In water for 1.5h; | 90% |
- 70500-72-0
7-hydroxy-1H-quinolin-2-one
| Conditions | Yield |
|---|---|
| Stage #1: C18H20BNO6 With aluminum (III) chloride; tris(pentafluorophenyl)borate In 5,5-dimethyl-1,3-cyclohexadiene at 0 - 70℃; for 2h; Stage #2: With dihydrogen peroxide; acetic acid In 5,5-dimethyl-1,3-cyclohexadiene at 0 - 20℃; for 2h; | 82.2% |
- 70500-72-0
7-hydroxy-1H-quinolin-2-one
| Conditions | Yield |
|---|---|
| Stage #1: C17H18BNO5 With aluminum (III) chloride; tris(pentafluorophenyl)borate In toluene at 0 - 90℃; for 2h; Stage #2: With dihydrogen peroxide; acetic acid In toluene at 0 - 20℃; for 2h; | 81.3% |
- 127033-74-3
(2E)-N-(3-methoxyphenyl)-3-phenylacrylamide
- 70500-72-0
7-hydroxy-1H-quinolin-2-one
| Conditions | Yield |
|---|---|
| With aluminium trichloride In chlorobenzene at 120℃; for 2h; | 70% |
| With aluminium trichloride In chlorobenzene | 70% |
| With aluminum (III) chloride In chlorobenzene at 0℃; for 8h; Reflux; | 67% |
- 93-35-6
7-hydroxy-2H-chromen-2-one
- 70500-72-0
7-hydroxy-1H-quinolin-2-one
| Conditions | Yield |
|---|---|
| With acetic acid In acetic acid for 3h; Substitution; Heating; | 55% |
- 15116-41-3
N-(3-methoxyphenyl)cinnamamide
- 70500-72-0
7-hydroxy-1H-quinolin-2-one
| Conditions | Yield |
|---|---|
| With aluminum (III) chloride In chlorobenzene at 0 - 120℃; | 53% |
| With aluminum (III) chloride at 120 - 180℃; for 2.08333h; | 43% |
| With aluminum (III) chloride at 120 - 180℃; for 2h; |
- 536-90-3
m-Anisidine
- 70500-72-0
7-hydroxy-1H-quinolin-2-one
| Conditions | Yield |
|---|---|
| Multi-step reaction with 2 steps 1: 95 percent 2: 70 percent / AlCl3 / chlorobenzene View Scheme | |
| Multi-step reaction with 2 steps 1: potassium carbonate / water; acetone / 20 °C / Cooling with ice 2: aluminum (III) chloride / chlorobenzene / 0 - 120 °C View Scheme | |
| Multi-step reaction with 2 steps 1: pyridine / dichloromethane / 1 h / 5 - 20 °C 2: aluminum (III) chloride / 2.08 h / 120 - 180 °C View Scheme | |
| Multi-step reaction with 2 steps 1: potassium carbonate / acetone; water / 0.5 h 2: aluminum (III) chloride / chlorobenzene / 120 °C / Cooling with ice View Scheme | |
| Multi-step reaction with 2 steps 1: potassium carbonate / acetone; water / 0.5 h / 0 °C 2: aluminum (III) chloride / chlorobenzene / Reflux View Scheme |
- 93499-67-3
7-hydroxyquinoline 1-oxide
- 70500-72-0
7-hydroxy-1H-quinolin-2-one
| Conditions | Yield |
|---|---|
| Multi-step reaction with 2 steps 1: 24 percent / 2 h / Heating 2: 90 percent / 1.0 N NaOH / H2O / 1.5 h View Scheme |
- 536-90-3
m-Anisidine
- 70500-72-0
7-hydroxy-1H-quinolin-2-one
| Conditions | Yield |
|---|---|
| Multi-step reaction with 2 steps 1: 95 percent / aq. K2CO3 / acetone / 0.5 h / 0 °C 2: 70 percent / AlCl3 / chlorobenzene / 2 h / 120 °C View Scheme |
7-Hydroxyquinolinone Chemical Properties
Molecular structure of 7-Hydroxyquinolinone (CAS NO.70500-72-0) is:
Product Name: 7-Hydroxyquinolinone
CAS Registry Number: 70500-72-0
Systematic Name: 7-hydroxyquinolin-2(1H)-one
Empirical Formula: C9H7NO2
Molecular Weight: 161.1574
Melting Point: 187-192°C
Index of Refraction: 1.639
Molar Refractivity: 43.391 cm3
Molar Volume: 120.517 cm3
Surface Tension: 55.384 dyne/cm
Density: 1.337 g/cm3
Flash Point: 211.944 °C
Enthalpy of Vaporization: 70.809 kJ/mol
Boiling Point: 426.837 °C at 760 mmHg
Product Categories: Aromatics Compounds;Quinoline;Aromatics;Intermediates & Fine Chemicals;Pharmaceuticals
7-Hydroxyquinolinone Specification
7-Hydroxyquinolinone , its cas register number is 70500-72-0. It also can be called 7-Hydroxy-2-(1H)-quinolinone ; 7-Hydroxycarbostyril ; 2,7-Dihydroxyquinoline ; 7-Hydroxy-2-Quinolinone ; 7-Hydroxy-1h-Quinolin-2-One ; 7-Hydroxyquinoline-(1h)-2-One ; 3,4-Dihydro-7-hydroxyquinoline-2(1H)-one .It is a off-white solid.
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