2,8-Dihydroxyquinoline Cas:15450-76-7

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2,8-Dihydroxyquinoline

Synonyms:
8-Hydroxy-2-quinolinone
2,8-Quinolinediol
8-hydroxy-1H-quinolin-2-one
 
 
molecular formula: C9H7NO2
Molecular weight: 161.15700
 
Physical Properties:
Appearance and properties: white to crystalline powder
Density: 1.337 g/cm3
Boiling point: 403.2ºC at 760 mmHg
Melting point: ~290 °C (dec.)
Flash point: 197.6ºC
Refractive index: 1.639
Vapor pressure: 4.46E-07mmHg at 25°C
 
Specification:
Items of Analysis Standard of Analysis Test Results
Appearance White to off-white power Conforms
Impurity I ≤0.15% Not detected
Impurity Ⅱ ≤0.15% Not detected
Impurity Ⅲ ≤1.0% Not detected
Impurity IV ≤0.5% 0.42%
Acylated impurities ≤0.5% 0.17%
Other single impurities ≤0.5% 0.05%
Total miscellaneous ≤2.0% 0.68%
Loss on drying ≤2.0% 0.66%
Assay on dried basis ≥95% 99.10%
Conclusion Conform to the enterprise standard
 
Application:
Used as indacaterol intermediate
 
Package and Storage:
1kg/bottle or bag
25kgs/drum or bag
 
 



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