PAR sodium salt/4-(2-Pyridylazo)resorcinol monosodium salt

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

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