Didecyldimethylammonium Chloride
Title: Didecyldimethylammonium Chloride
CAS Registry Number: 7173-51-5
CAS Name: N-Decyl-N,N-dimethyl-1-decanaminium chloride
Additional Names: dimethyldidecylammonium chloride
Trademarks: Bardac 2250/2280 (Lonza); BTC-1010 (Onyx); Dodigen 1881 (Hoechst); Querton 210CL (Kemanord)
Molecular Formula: C22H48ClN
Molecular Weight: 362.08
Percent Composition: C 72.98%, H 13.36%, Cl 9.79%, N 3.87%
Literature References: Quaternary alkyl ammonium compound with fungicidal and bactericidal activity. Prepn: A. W. Ralston et al., J. Org. Chem. 13, 186 (1948). Conductivity of aqueous soln: eidem, J. Am. Chem. Soc. 70, 977 (1948). Mothproofing agent: A. M. Schwartz, C. A. Rader, US 3746767 (1971 to USDA). In carpet dyeing: F. F. Bartsch, R. Feigin, US 3758269 (1971 to Sybron). Germicidal activity: R. J. Wright, DE 2810998; eidem, US 4272395 (1978, 1981 both to Unilever). Ion-pair extracting agent in carbapenem isoln: J. D. Hood et al., J. Antibiot. 32, 295 (1979). In froth-flotation recovery of metals: V. Petrovich, US 4225428 (1980). Eliminates ice-nucleating effect of bacteria in plants: E. A. Youngman, R. C. Schnell, EP 37593; eidem, US 4311517 (1981, 1982 both to Shell). Breaks oil-in-water emulsions created during oil-spill recovery procedures: J. Newcombe, US 4374734 (1983 to Cities Service). Fungidical wood preservative: A. F. Preston: J. Am. Oil Chem. Soc. 60, 567 (1983).
Properties: Extremely hygroscopic. Sol in acetone, extremely sol in benzene. Insol in hexane.
CAUTION: Causes eye damage and skin irritation. Harmful if swallowed.
Use: General purpose disinfectant, sanitizer; mildew preventative in commercial laundries; water treatment in cooling towers and oil field flood waters; wood preservative.

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