Molecular Structure of  4-Amino-3-hydroxypyridine (CAS NO.52334-53-9):

Molecular Formula: C₅H₆N₂O
Molecular Weight: 110.1139 
CAS No: 52334-53-9
IUPAC Name: 4-Aminopyridin-3-ol 
H bond acceptors: 3
H bond donors: 3
Freely Rotating Bonds: 2
Polar Surface Area: 59.14 Å²
Index of Refraction: 1.651
Molar Refractivity: 30.462 cm³
Molar Volume: 83.367 cm³
Surface Tension: 71.319 dyne/cm
Density: 1.321 g/cm³
Flash Point: 224.387 °C
Enthalpy of Vaporization: 73.29 kJ/mol
Boiling Point: 447.412 °C at 760 mmHg
Vapour Pressure: 0 mmHg at 25°C
Melting Point: 222-223°C
Product Categories: Pyridines, Pyrimidines, Purines and Pteredines;pharmacetical;Pyridine series;Amines;Pyridines;Pyridine;
Building Blocks
InChI: InChI=1/C5H6N2O/c6-4-1-2-7-3-5(4)8/h1-3,8H,(H2,6,7)
InChIKey: DBDKLFOUWUHPDW-UHFFFAOYAR
Std. InChI: InChI=1S/C5H6N2O/c6-4-1-2-7-3-5(4)8/h1-3,8H,(H2,6,7)
Std. InChIKey: DBDKLFOUWUHPDW-UHFFFAOYSA-N

Safety Information of  4-Amino-3-hydroxypyridine (CAS NO.52334-53-9):
Hazard Codes: XiT
Risk Statements: 36/37/38 
R36/37/38: Irritating to eyes, respiratory system and skin
Safety Statements: 26-36/37/39 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
S36/37/39: Wear suitable protective clothing, gloves and eye/face protection
Hazard Note: Irritant
HazardClass: Irritant, toxic

  4-Amino-3-hydroxypyridine (CAS NO.52334-53-9) is also called as 3-Hydroxy-4-aminopyridine ; 4-Amino-pyridin-3-ol ; 4-Amino-3-hydroxy pyridine ; 4-Amino-3-hydroxypyridine hydrochloride ; 4-Amino-3-pyridinol hydrochloride ; 4-Amino-pyridin-3-ol hbr ; 4-Aminopyridin-3-ol hydrochloride .