101-57-5

Basic information

• Product Name: 4-Anilinobenzenesulfonic acid
• Synonyms: DIPHENYLAMINE SULFONIC ACID;4-(phenylamino)-benzenesulfonicaci;4-(phenylamino)-Benzenesulfonicacid;Diphenylamine-4-sulfonicacid;n-phenylsulfanilicacid;p-anilinobenzenesulphonic acid;DIPHENYLAMINE SULFONIC ACID, SOLUTION 0.005 M AQUEOUS;Benzenesulfonic acid, 4-(phenylamino)-
• CAS NO: 101-57-5
• Molecular Formula: C₁₂H₁₁NO₃S
• Molecular Weight: 249.29
• EINECS: 202-955-0
• Mol File: 101-57-5.mol

Chemical Properties

• Melting Point: 206°C
• Appearance: /
• Density: 1.3164 (rough estimate)
• Refractive Index: 1.6000 (estimate)
• PKA: -1.33±0.50(Predicted)
• CAS DataBase Reference: 4-Anilinobenzenesulfonic acid(CAS DataBase Reference)
• NIST Chemistry Reference: 4-Anilinobenzenesulfonic acid(101-57-5)
• EPA Substance Registry System: 4-Anilinobenzenesulfonic acid(101-57-5)

Safety Data

• Hazardous Substances Data: 101-57-5(Hazardous Substances Data)

Usage

Uses

Used in Chemical Industry:
DIPHENYLAMINE SULFONIC ACID is used as a precursor for the synthesis of various dyes and pigments. Its chemical structure allows for the creation of a wide range of colors and hues, making it an essential component in the production of these compounds.
Used in Pharmaceutical Industry:
DIPHENYLAMINE SULFONIC ACID is used as an intermediate in the synthesis of certain pharmaceutical compounds. Its reactivity and functional groups enable the formation of complex molecules with potential therapeutic applications.
Used in Dye Manufacturing:
DIPHENYLAMINE SULFONIC ACID is used as a key component in the production of dyes, particularly those used in the textile industry. Its ability to form stable colorants makes it a popular choice for creating vibrant and long-lasting dyes.
Used in Research and Development:
DIPHENYLAMINE SULFONIC ACID is used as a research compound in the development of new chemical processes and materials. Its unique properties and reactivity make it a valuable tool for scientists and researchers working in various fields.

InChI:InChI=1/C12H11NO3S/c14-17(15,16)12-8-6-11(7-9-12)13-10-4-2-1-3-5-10/h1-9,13H,(H,14,15,16)

Upstream product

• 519-87-9 N,N-diphenylacetamide 
• 625-22-9 sulfuric acid dibutyl ester 
• 122-39-4 diphenylamine 
• 2581-69-3 disperse orange 1 
• 7664-93-9 sulfuric acid 
• 7790-94-5 chlorosulfonic acid 
• 98-95-3 nitrobenzene 
• 591-50-4 iodobenzene 
• 121-57-3 4-aminobenzene sulfonic acid 
• 108-86-1 bromobenzene 
• 108-90-7 chlorobenzene 
• 587-84-8 diphenylammonium hydrogen sulphate 

Downstream Products

• 7664-93-9 sulfuric acid 
• 122-39-4 diphenylamine 
• 1456900-14-3 4-(phenylamino)benzenesulfonyl azide 

Relevant articles and documents

Fe-MIL-101 modified by isatin-Schiff-base-Co: a heterogeneous catalyst for C-C, C-O, C-N, and C-P cross coupling reactions

A metal-organic framework functionalized with a cobalt-complex is preparedviapost-synthetic modification of Fe-MIL-101-NH2. Initially, Fe-MIL-101-NH2reacted with isatin to produce Fe-MIL-101-isatin-Schiff-base, which can anchor the cobalt by the addition of cobalt acetate. The resulting MOF-Co catalyst is characterized by employing multiple techniques. This new modified MOF acts as a heterogeneous and recyclable catalyst for efficient Ullmann, Buchwald-Hartwig, Hirao, Hiyama and Mizoroki-Heck cross-coupling reactions of several aryl halides/phenylboronic acid/phenyltosylate with phenols, anilines/heterocyclic amines, triethyl phosphite, triethoxyphenylsilane and alkenes and generates the expected coupling products in good to high yields.

Thermolysis of hydrogen sulphate, nitrate and perchlorate salts of diphenylamine. Part LXVIII

Hydrogen sulphate, nitrate and perchlorate salts of diphenylamine have been prepared and characterized by elemental, spectral and gravimetric analyses. Thermal decomposition of these salts has been evaluated by TG (static air) and DSC (inert atmosphere). The proton transfer reaction plays a major role during thermolysis of these salts. The diphenylammonium hydrogen sulphate under thermal and microwave irradiation forms 4-(phenylamino) benzenesulphonic acid by sulphonation process, whereas nitrate and perchlorate salts do not form corresponding nitro and perchloro derivatives, rather they ignite and explode, respectively, to form gaseous products along with a residual carbon .