Detail of "2082-84-0"

Reference

Interaction between natural gums and cationic surfactants

Interaction between natural gums and cationic surfactants. Yomota, Chikako; Nakamura, Keizo; Ito, Yoshio (Natl. Inst. Hyg. Sci., Osaka 540, Japan). J. SCCJ, 20(2), 121-6 (Japanese) 1986. CODEN: JOSCDQ. ISSN: 0387-5253. DOCUMENT TYPE: Journal CA Section: 62 (Essential Oils and Cosmetics) Section cross-reference(s): 33, 46 Strong interactions followed by pptn. between natural gums and cationic surfactants were obsd. depending on both the charge d. of gums and the alkyl chain length of surfactants. Binding of Na chondroitin sulfate [9082-07-9] with surfactant was completed in a narrow range of markedly lower concn. than the crit. micellar concn. of the surfactants used, and the binding curve was extremely steep. However, binding of gum arabic [9000-01-5] with surfactant occurred over a wide concn. range and the binding curve was rather gentle. With respect to the concn. at which surfactants will start to bind with gums, the concn. of decyltrimethylammonium bromide [2082-84-0] was 10-fold larger than that of dodecyltrimethylammonium bromide [1119-94-4]. The gum-surfactant interaction can be useful in discriminating tests of various kinds of gums.

Kinetics of nitrosamine formation in the presence of micelle-forming surfactants

Kinetics of nitrosamine formation in the presence of micelle-forming surfactants. Okun, James D.; Archer, Michael C. (Dep. Nutr. Food Sci., Massachusetts Inst. Technol., Cambridge, Mass., USA). J. Natl.Several substances with their cas registry numbers 9002-93-1 and 123-75-1 may be metioned in this study. Cancer Inst., 58(2), 409-11 (English) 1977. CODEN: JNCIAM. DOCUMENT TYPE: Journal CA Section: 17 (Foods) Section cross-reference(s): 4, 23 The nitrosation of dihexylamine [143-16-8] by nitrite was catalyzed in the presence of micelles of the cationic surfactant decyltrimethylammonium bromide [2082-84-0]. Rate enhancements up to 800-fold were obsd. The magnitude of the rate enhancements was dependent on the amine structure, particularly the alkyl chain length. Rate enhancements for nitrosation were also obsd. in the presence of micelles of phosphatidylcholine and Triton X-100 [9002-93-1]. A mechanistic interpretation of these catalytic effects is presented. .