4-(2-pyridylazo) resorcinol (CAS: 1141-59-9)

Performance specification

The appearance description: brown or orange powder, slightly soluble in water,

soluble in alcohol and ether, soluble in acid and alkaline aqueous solution,

its sodium salt is soluble in water. With metal ions to form water soluble or insoluble

in water of the complexes, complexes are red or red and purple.

Application Description 

Reagent photometry determination of transition metals, such as Bi3 +, Co2 +, Fe3 +, 2

+ and Ni2 + Pd, NbO, In3 +, La3 +, Tn4 +, plasma chromogenic agent. EDTA coordination

titration determination of Al3 +, Bi3 +, Ca3 +, Cu2 +, Ga7 + metal indicator, lead nitrate

solution precipitation titration indicator of settlement MoO, PO, etc.

Hazard statements 

Dangerous code: Xi

The level of danger: R36/37/38

Security level: S26-36

Package: According to customer requirements