What is p-Nitrophenol?
Para-Nitrophenol,also called p-nitrophenol or 4-Nitrophenol, is a phenolic compound
that has a nitro group at the opposite position of hydroxyl group on the benzene ring. 4-Nitrophenol shows two polymorphs in the crystalline state. The alpha-form is colorless pillars, unstable at room temperature, and stable toward sunlight. The beta-form is yellow pillars, stable at room temperature, and gradually turns red upon irradiation of sunlight. Usually 4-nitrophenol exists as a mixture of these two forms.
Specification of Para-Nitrophenol
Para-Nitrophenol 92%
Appearance Light yellow crystal
Assay,% ≥92.0
Water,% ≤ 7.0
ONP,% ≤ 0.1
PNCB,% ≤ 0.1
Para-Nitrophenol 99% (Capacitor Grade)
Appearance Light yellow crystal
Assay,% ≥99.0
Water,% ≤ 0.5
Cl-,ppm ≤ 1
Fe3+,ppm ≤ 2
SO42-,ppm ≤ 2
Packing mode of 4-Nitrophenol
— 50kg bag, total 20 MT per 20ft container with pallets.
— 25kg fibre drum, total 9 MT per 20ft container.
