Product Name

  • Name

    5-Hydroxyisoquinoline

  • EINECS 219-456-9
  • CAS No. 2439-04-5
  • Article Data13
  • CAS DataBase
  • Density 1.26 g/cm3
  • Solubility
  • Melting Point 213-215 °C
  • Formula C9H7NO
  • Boiling Point 332.1 °C at 760 mmHg
  • Molecular Weight 145.161
  • Flash Point 154.6 °C
  • Transport Information
  • Appearance beige granular powder
  • Safety 26-36/37/39
  • Risk Codes 21/22-36/37/38
  • Molecular Structure Molecular Structure of 2439-04-5 (5-Hydroxyisoquinoline)
  • Hazard Symbols IrritantXi,HarmfulXn
  • Synonyms NSC 51787;
  • PSA 33.12000
  • LogP 1.94040

5-Hydroxyisoquinoline Chemical Properties

MF: C9H7NO
MW: 145.16
Store: 2-8°C
EINECS: 219-456-9
Melting Point: 213-215
Density: 1.26 g/cm
Flash Point: 154.6 °C
Index of Refraction: 1.69 
IUPAC Name: isoquinolin-5-ol
Appearance: beige granular powder
Enthalpy of Vaporization: 59.76 kJ/mol 
Boiling Point: 332.1 °C at 760 mmHg 
Vapour Pressure: 7.74E-05 mmHg at 25°C 
Product Categories: Heterocyclic Series ; Quinolines
Synonyms: 5-Hydroxyisoquinoline ; 5-Isoquinolinol ; Isoquinolin-5-ol ; 5-Hydroxyisoquinoline,tech.90%
Following is the molecular structure of 5-Hydroxyisoquinoline (CAS NO.2439-04-5):

5-Hydroxyisoquinoline Uses

 5-Hydroxyisoquinoline (CAS NO.2439-04-5) is used as fine chemicals, pharmaceutical intermediates.

5-Hydroxyisoquinoline Safety Profile

Safety Information of 5-Hydroxyisoquinoline (CAS NO.2439-04-5):
Hazard Codes: XiHarmfulXn Harmful
Risk Statements: 36/37/38-21/22 
R36/37/38: Irritating to eyes, respiratory system and skin. 
R21/22:Harmful in contact with skin and if swallowed.
Safety Statements: 26-37/39-36/37/39-36 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S37/39: Wear suitable gloves and eye/face protection. 
S36/37/39: Wear suitable protective clothing, gloves and eye/face protection.
S36: Wear suitable protective clothing.
WGK Germany: 3
Hazard Note: Irritant

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