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Diphenylamine sulfonic acid

CAS No.
101-57-5
Chemical Name:
Diphenylamine sulfonic acid
Synonyms
n-phenylsulfanilicacid;4-Sulfophenylphenylamine;diphenylaminosulfonic acid;4-anilinobenzenesulfonicaci;Diphenylamine sulfonic acid;Diphenylamine-4-sulfonicacid;4-Anilinobenzenesulfonic acid;p-Anilinobenzenesulfonic acid;p-anilinobenzenesulphonic acid;4-(phenylamino)-benzenesulfonicaci
CBNumber:
CB0370280
Molecular Formula:
C12H11NO3S
Molecular Weight:
249.29
MDL Number:
MFCD00065082
MOL File:
101-57-5.mol
MSDS File:
SDS
Last updated:2026-09-12 18:48:19

Diphenylamine sulfonic acid Properties

Melting point 206°C
Density 1.3164 (rough estimate)
refractive index 1.6000 (estimate)
pka -1.33±0.50(Predicted)
CAS DataBase Reference 101-57-5
FDA UNII 6E5XPH8BY9
EPA Substance Registry System Benzenesulfonic acid, 4-(phenylamino)- (101-57-5)

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)Corrosion (GHS05)
GHS07,GHS05
Signal word  Danger
Hazard statements  H314-H302
Precautionary statements  P264-P270-P301+P312-P330-P501-P260-P264-P280-P301+P330+P331-P303+P361+P353-P363-P304+P340-P310-P321-P305+P351+P338-P405-P501
TSCA  TSCA listed

Diphenylamine sulfonic acid price More Price(6)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich S347582 DIPHENYLAMINE-4-SULFONIC ACID AldrichCPR 101-57-5 1 unit $197 2026-04-30 Buy
Sigma-Aldrich S347582 DIPHENYLAMINE-4-SULFONIC ACID Aldrich 101-57-5 250mg $179 2024-03-01 Buy
AHH MT-11289 Diphenylamine sulfonic acid 97% 5g $420 2026-05-26 Buy
GFS CHEMICALS 35201 DIPHENYLAMINESULF.ACID 101-57-5 500mL $50.31 2021-12-16 Buy
American Custom Chemicals Corporation CHM0162991 DIPHENYLAMINE SULFONIC ACID 95.00% 101-57-5 1G $629.53 2021-12-16 Buy
Product number Packaging Price Buy
S347582 1 unit $197 Buy
S347582 250mg $179 Buy
MT-11289 5g $420 Buy
35201 500mL $50.31 Buy
CHM0162991 1G $629.53 Buy

Diphenylamine sulfonic acid Chemical Properties, Uses, Production

Diphenylamine sulfonic acid Preparation Products And Raw materials

Diphenylamine sulfonic acid Suppliers

Global Suppliers ( 14)
Supplier Tel Email Country ProdList Advantage
Syntechem Co.,Ltd info@syntechem.com China 12973 57
Alfa Chemistry +1-5166625404; Info@alfa-chemistry.com United States 20000 58
DAYANG CHEM (HANGZHOU) CO.,LTD +86-88938639 +86-17705817739 info@dycnchem.com China 53736 58
4-(phenylamino)-benzenesulfonicaci DIPHENYLAMINE SULFONIC ACID, SOLUTION, 0.005 M AQUEOUSDIPHENYLAMINE SULFONIC ACID, SOLUTION, 0.005 M AQUEOUSDIPHENYLAMINE SULFONIC ACID, SOLUTION, 0.005 M AQUEOUS DIPHENYLAMINE SULFONIC ACID, SOLUTION 0.005 M AQUEOUS 4-(phenylamino)-Benzenesulfonicacid Diphenylamine-4-sulfonicacid n-phenylsulfanilicacid p-anilinobenzenesulphonic acid Benzenesulfonic acid, 4-(phenylamino)- diphenylaminosulfonic acid 4-Anilinobenzenesulfonic acid 4-Sulfophenylphenylamine 4-anilinobenzenesulfonicaci p-Anilinobenzenesulfonic acid Diphenylamine sulfonic acid 101-57-5 C6H5NHC6H4SO3H SULFONIC ACID