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Atomfair 4-Nitrobenzenesulfonate p-Nitrobenzenesulfonic acid, p-Nitrophenylsulfonic acid C6H5NO5S

Description 4-Nitrobenzenesulfonate (CAS No. 138-42-1) is a high-purity sulfonic acid derivative with the molecular formula C6H5NO5S . This compound, also known as 4-nitrobenzenesulfonic acid , is widely utilized in organic synthesis, pharmaceutical research, and industrial applications due to its strong acidic and electrophilic properties. Its IUPAC name is 4-nitrobenzenesulfonic acid , and it is characterized by a nitro group (-NO2) para-positioned to the sulfonic acid (-SO3H) group on the benzene ring, enhancing its reactivity. Available as a crystalline solid, this reagent is highly soluble in polar solvents such as water, alcohols, and dimethyl sulfoxide (DMSO). Ideal for use in esterification,…

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Description

Description

4-Nitrobenzenesulfonate (CAS No. 138-42-1) is a high-purity sulfonic acid derivative with the molecular formula C6H5NO5S. This compound, also known as 4-nitrobenzenesulfonic acid, is widely utilized in organic synthesis, pharmaceutical research, and industrial applications due to its strong acidic and electrophilic properties. Its IUPAC name is 4-nitrobenzenesulfonic acid, and it is characterized by a nitro group (-NO2) para-positioned to the sulfonic acid (-SO3H) group on the benzene ring, enhancing its reactivity. Available as a crystalline solid, this reagent is highly soluble in polar solvents such as water, alcohols, and dimethyl sulfoxide (DMSO). Ideal for use in esterification, sulfonation, and as a precursor in dye synthesis, this product is rigorously tested for purity and consistency, ensuring reliable performance in sensitive laboratory and industrial processes.

  • CAS No: 138-42-1
  • Molecular Formula: C6H5NO5S
  • Molecular Weight: 203.17
  • Exact Mass: 202.98884343
  • Monoisotopic Mass: 202.98884343
  • IUPAC Name: 4-nitrobenzenesulfonic acid
  • SMILES: C1=CC(=CC=C1[N+](=O)[O-])S(=O)(=O)O
  • Synonyms: 4-NITROBENZENESULFONIC ACID, Benzenesulfonic acid, 4-nitro-, p-Nitrobenzenesulfonic acid, 4-Nitrobenzenesulfonate, p-Nitrophenylsulfonic acid

Application

4-Nitrobenzenesulfonate is commonly employed as an intermediate in organic synthesis, particularly in the preparation of sulfonamide-based pharmaceuticals and agrochemicals. It serves as a strong acid catalyst in esterification and condensation reactions, as well as a sulfonating agent in dye manufacturing. Researchers also utilize it in biochemical studies for modifying proteins and peptides via sulfonation reactions.

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