PAR/4-(2-Pyridylazo)resorcinol

English Name: par; 4-(2-Pyridylazo)resorcinol

Other names: pyridine - (2-azo-4) resorcinol; 4 - (2-pyridylazo) - 1,3-quinone; 4-2-pyridylazo Resorcinol

CAS No.: 1141-59-9

C11H9N3O2=215.21

Grade: ar

Content: ≥ 90.0%

Sensitivity test: acceptable

Physicochemical Properties: brown or orange red powder, slightly soluble in water, soluble in alcohol and ether, easily soluble in acidic and alkaline aqueous solutions, and its sodium salt is easily soluble in water. It forms water-soluble or water-insoluble complexes with metal ions, and the complexes are mostly red or red purple. Melting point: 188 ℃

Purpose: biochemical research. Complexometric indicator for determination of bismuth, cadmium, copper, gallium, mercury, indium, manganese, nickel, lead, thorium, thallium (III), zinc and lanthanide ions. Photometric determination of bismuth, cobalt, copper, gallium, indium, lanthanides, manganese, molybdenum, niobium, nickel, NEPTUNIUM, osmium, lead, palladium, rhodium, ruthenium, scandium, tantalum, thallium (III), titanium, uranium and vanadium

Save: RT, protected from light