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Sulfonamide antibacterial Sulfanilamide is an antibacterial and used in the treatment of vaginal yeast infections. It is a competitive inhibitor of dihydropteroate synthestase to block the synthesis of folic acid. It serves as an intermediate for the preparation of 2,6-disubstituted anilines by electrophilic substitution followed by removal of the sulfonamide blocking group by desulfonation with sulfuric acid.
Intermediate for preparation of 2,6-disubstituted anilines, by electrophilic substitution followed by removal of the sulfonamide blocking group by desulfonation with sulfuric acid. See, e.g.: Org. Synth. Coll., 3, 262 (1955).
Yang, L.; Zhou, S.; Xiao, Y.; Tang, Y.; Xie, T. Sensitive simultaneous determination of three sulfanilamide artificial sweeters by capillary electrophoresis with on-line preconcentration and contactless conductivity detection. Food Chem. 2015, 188, 446-451.
Bhattacharya, A.; Sharma, M.; Gulati, A.; Joshi, R., Chanda, S. K.; Ahuja, P. S. Histochemical evaluation of catechins in PEG stressed transgenic tea plants using catechin-specific-diazotized sulfanilamide reagent. Biotech. Histochem. 2015, 90 (1), 45-54.
Hazard Statements: H303-H315-H319-H335
May be harmful if swallowed. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.
Precautionary Statements: P261-P280a-P305+P351+P338-P304+P340-P405-P501a
Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves and eye/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.