4-(2-pyridylazo)resorcinol
Names
[ CAS No. ]:
13311-52-9
[ Name ]:
4-(2-pyridylazo)resorcinol
[Synonym ]:
PAR-Na
4-(2-PYRIDYLAZO)-RESORCINOL MONO SODIUM SALT
PAR MONO SODIUM SALT
3-benzenediol,4-(2-pyridinylazo)-monosodiumsalt
4-(pyridyl-2-azo)
PAR INDICATOR
4-(2-Pyridylazo)-ResircinolSodiumSalt
MFCD00150712
EINECS 214-528-6
4(or 2)-(2-pyridylazo)-3(or 5)-(sodiooxy)phenol
Chemical & Physical Properties
[ Boiling Point ]:
399.2ºC at 760 mmHg
[ Melting Point ]:
188ºC
[ Molecular Formula ]:
C11H8N3NaO2
[ Molecular Weight ]:
237.19000
[ Flash Point ]:
195.3ºC
[ Exact Mass ]:
237.05100
[ PSA ]:
80.90000
[ LogP ]:
3.34640
[ Vapour Pressure ]:
4.32E-07mmHg at 25°C
Safety Information
[ Hazard Codes ]:
Xi: Irritant;
[ Risk Phrases ]:
R36/37/38
[ Safety Phrases ]:
26-36