PAR sodium salt/4-(2-Pyridylazo)resorcinol monosodium salt
Item No.： SR0239
Store at： RT，Avoid light
English Name: par sodium salt; 4-(2-Pyridylazo)resorcinol monosodium salt
Other names: pyridine - (2-azo-4) resorcinol monosodium salt; 4 - (2-pyridylazo) resorcinol monosodium salt monohydrate
CAS No.: 16593-81-0
C11H8N3NaO2·H2O=255.21
Grade: ar
Content: ≥ 98.0%
Moisture: ≤ 10.0%
Extinction coefficient e (1% / 1cm): > 1100 (413nm, water)
Physicochemical properties: orange brown to brown crystalline powder. It is easily soluble in water and ethanol. The aqueous solution is yellow and insoluble in ether. The maximum absorption wavelength is 411nm. Irritating.
Purpose: biochemical research. Complex indicator for determination of bismuth, cadmium, copper, gallium, mercury, indium, manganese, nickel, lead, thorium, thallium (III), zinc and lanthanide ions. Photometric determination of cobalt, bismuth, copper, gallium, indium, manganese, molybdenum, niobium, nickel, osmium, lead, palladium, rhodium, scandium, tantalum, titanium, thallium (Ⅲ), vanadium and lanthanide ions
Save: RT, protected from light
