4-Hydroxyindazole

Modify Date: 2024-01-08 16:35:01

4-Hydroxyindazole Structure
4-Hydroxyindazole structure
Common Name 4-Hydroxyindazole
CAS Number 81382-45-8 Molecular Weight 134.135
Density 1.434±0.06 g/cm3 Boiling Point 366.5±15.0 °C at 760 mmHg
Molecular Formula C7H6N2O Melting Point 177-178 ºC
MSDS N/A Flash Point 175.5±20.4 °C

 Names

Name 4-Hydroxy-1H-indazole
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.434±0.06 g/cm3
Boiling Point 366.5±15.0 °C at 760 mmHg
Melting Point 177-178 ºC
Molecular Formula C7H6N2O
Molecular Weight 134.135
Flash Point 175.5±20.4 °C
Exact Mass 134.048019
PSA 48.91000
LogP 1.08
Vapour Pressure 0.0±0.9 mmHg at 25°C
Index of Refraction 1.760
Water Solubility Slightly soluble (5 g/L) (25 ºC)

 Safety Information

Hazard Codes Xi

 Synthetic Route

~96%

4-Hydroxyindazole Structure

4-Hydroxyindazole

CAS#:81382-45-8

Literature: BAYER HEALTHCARE AG Patent: WO2004/39796 A1, 2004 ; Location in patent: Page/Page column 71-72 ; WO 2004/039796 A1

~46%

4-Hydroxyindazole Structure

4-Hydroxyindazole

CAS#:81382-45-8

Literature: Sumitomo Pharmaceuticals Company, Limited Patent: EP1403255 A1, 2004 ; Location in patent: Page 92 ; EP 1403255 A1

~%

4-Hydroxyindazole Structure

4-Hydroxyindazole

CAS#:81382-45-8

Literature: US2012/10241 A1, ; Page/Page column 65 ;

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4-Hydroxyindazole Structure

4-Hydroxyindazole

CAS#:81382-45-8

Literature: Journal of the Chemical Society, , p. 2412,2419

 Synonyms

1H-Indazol-4-ol
1,2-dihydroindazol-4-one
MFCD06858736
4-Hydroxyindazole
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