4-NPP；4-Nitrophenyl phosphate disodium salt hexahydrate

CAS：4264-83-9
C6H4NNa2O6P•6H2O=371.14
Grade：Reagent Grade
Content：≥98.0%
Em (312nm, 0.15M AMP Buffer, pH 10.25)：>9800
Inorganic Phosphate (% by Weight)：≤1.0%
p-Nitrophenol：≤0.1%

Properties: white or light yellow crystalline powder. Melting point 300 ℃, sensitive to light and humidity. It is soluble in water and unstable above 25 ℃, and its solution decomposes slowly. Maximum absorption wavelength: 310nm

Purpose: biochemical research. The chromogenic substrates of acid and alkaline phosphatases were determined; The reaction can produce a yellow end product, which can be read at 405nm. The reaction can be terminated by 3 N NaOH solution.

Storage: - 20 ℃, protected from light