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P-Nitrophenol
  • CAS:

    100-02-7
  • Công thức phân tử:

    C6H5NO3
  • Tiêu chuẩn chất lượng:

    92% / 99.5%
  • Đóng gói:

    50kg/bag or 25 kg/fibre drum
  • Mininmum hàng:

    25kg
  • Price inquiry:

    sales@tnjchem.com
  • Manufacturer:

    TNJ Chemical

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Buy P-Nitrophenol from TNJ Chemical, China leading P-Nitrophenol suppliers, factory & manufacturers. If you want to buy P-Nitrophenol CAS 100-02-7 for find P-Nitrophenol suppliers from China, please mail to sales@tnjchem.com


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


Application of 4-Nitrophenol

p-Nitrophenol is an intermediate in the synthesis of paracetamol. It is reduced to 4-aminophenol, then acetylated with acetic anhydride.

p-Nitrophenol is used as the precursor for the preparation of phenetidine and acetophenetidine, indicators, and raw materials for fungicides. Bioaccumulation of this compound rarely occurs.

In peptide synthesis, carboxylate ester derivatives of 4-nitrophenol may serve as activated components for construction of amide moieties.

It is used as a pH indicator, turning from colorless or pale yellow to a bright yellow at pH greater than 6

-- Used as important raw materials of organic synthesis.

-- Used as raw materials and intermediates of pesticide,such as intermediates of organophosphorus pesticides, 

parathion methyl parathion,etc.

-- Used as as raw materials and intermediates of medicines,such as phenacetin, paracetamol,etc.

-- Used as raw materials of Dye intermediates,such as Developer m tall, sulphur grass-green designed.the GN, sulfide reduction black CL, reversion of black CLB, red brown B3R sulfide reduction blue RNX, sulfide,etc.

-- Used as Leather preservatives.

Packing mode of 4-Nitrophenol

-- 50kg bag, total 20 MT per 20ft container with pallets.

-- 25kg fibre drum, total 9 MT per 20ft container with pallets,12 MT without pallets.

Safety & Storage & Handling for 4-Nitrophenol

Stored in cool and airy place; away from fire and heat; handle with care;no breakage, avoid leakage.

It is valid for 2 years under proper condition.

Para-Nitrophenol is classified as Dangerous Good for transport (UN 1663, Class 6.1, Packing group III)
* Please refer to MSDS for more information about Safety, Storage and Transportation.
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