5-Bromo-PAPS

2-(5-Bromo-2-pyridiylazo)-5[N-n-propyl-N-(3-sulfopropyl)amino]phenol, disodium salt, dihydrate is a water soluble derivative of 5-Br-PADAP. It is a highly sensitive colorimetric reagent for zinc detection.

Absorbance >0.420 at 449. nm. MW: 537.34. 5-Br-PAPS is utilised to determine serum levels of Zn, Cu, Fe, Ni, and Co. Ships ambient temperature