N-Phenylsulfanilic acid
Agent Name
N-Phenylsulfanilic acid
CAS Number
101-57-5
Formula
C12-H11-N-O3-S
Major Category
Dyes
Synonyms
Sulfodiphenylamine; 4-Anilinobenzenesulfonic acid; 4-Sulfodiphenylamine; Benzenesulfonic acid, p-anilino-; Diphenylamine-4-sulfonic acid; Diphenylaminosulfonic acid; N-Phenyl-p-aminobenzenesulfonic acid; p-Anilinobenzenesulfonic acid; Benzenesulfonic acid, 4-(phenylamino)-; Sulfanilic acid, N-phenyl- (8CI); p-Anilinobenzenesulphonic acid; [ChemIDplus] 4-(Phenylamino)benzenesulfonic acid; 4-Diphenylaminesulfonic acid; [Merck Index]
Category
Indicator Dyes
Description
Solid; Turns blue on light exposure; [Merck Index]
Sources/Uses
Used in the colorimetric determination of nitrates, as an oxidation-reduction indicator, and for the detection of oxidizing materials; [Merck Index]
Comments
Causes burns; Inhalation may cause corrosive injuries to upper respiratory tract and lungs; [Sigma-Aldrich MSDS] See "Diphenylamine." See "N-Phenylsulfanilic acid, sodium salt."
Biomedical References
Adverse Effects
Toxic Pneumonitis
Yes
Methemoglobinemia
MetHgb is secondary toxic effect
Dermatotoxin
Skin burns
Diseases, Processes, and Activities Linked to This Agent
Other Information
No other related information on this agent was found.