3,3',4',5-Tetrachlorosalicylanilide
Title: 3,3¢,4¢,5-Tetrachlorosalicylanilide
CAS Registry Number: 1154-59-2
CAS Name: 3,5-Dichloro-N-(3,4-dichlorophenyl)-2-hydroxybenzamide
Trademarks: Irgasan BS200
Molecular Formula: C13H7Cl4NO2
Molecular Weight: 351.01
Percent Composition: C 44.48%, H 2.01%, Cl 40.40%, N 3.99%, O 9.12%
Literature References: Prepn of polyhalosalicylanilides: Bindler, Model, US 2703332 (1955 to Geigy). Bacteriostat in the manuf of thermoplastic articles: Teller, US 3005720 (1961 to Weco Products).
Properties: Crystals, mp 161°. Fluoresces under ultraviolet light. Practically insol in water. Sol in alkaline aq solns and in solns of wetting agents. Sol in many organic solvents.
Melting point: mp 161°
Use: Bacteriostat in formulations of surgical soaps, laundry soaps, rinses, polishes, shampoos, deodorants. Also as preservative in textile finishes, certain petroleum products, cellulose esters, cutting oils, coolants.

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