Detail of "28675-11-8"

CAS Number:
28675-11-8
Name:
Benzenesulfonic acid,octyl-, sodium salt (1:1)
Molecular Structure:
Formula:
C14H22 O3 S . Na
Molecular Weight:
292.36951
Synonyms:
Benzenesulfonicacid, octyl-, sodium salt (6CI,7CI,8CI,9CI);Sodium n-octylbenzenesulfonate;Sodium octylbenzenesulfonate;

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An x-ray study of brine swollen lyotropic lamellar phases: An x-ray study of brine swollen lyotropic lamellar phases. Bassereau, P.; Marignan, J.; Porte, G. (Groupe Dyn. Phases Condensees, USTL, Montpellier 34060, Fr.). J. Phys. (Les Ulis, Fr.), 48(4), 673-8 (English) 1987. CODEN: JOPQAG. ISSN: 0302-0738. DOCUMENT TYPE: Journal CA Section: 75 (Crystallography and Liquid Crystals) The lamellar phases of 2 different quasi-ternary systems (surfactant/alc./brine) were studied by x-ray scattering. In both cases the phase exhibits simple swelling behavior when dild. with brine and the Bragg singularity persists at least up to 150 ? for the av. interlamellar distance d. The comparison of the scattering patterns of the most swollen samples of the 2 systems shows that the out of plane fluctuations of the lamellar stacking are much larger in one case than in the other. This specificity was analyzed in the light of the current theory of fluctuations in smectic media; it indicates that, for the present brine swollen stackings, the Helfrich steric interaction is not the only dominant contribution to the effective intermembrane interactions.Except for chemicals metioned above, 7647-14-5 and 28675-11-8 are also used. .

Dimensions of mixed micelles of p-alkylbenzenesulfonates by x-ray small-angle scattering: Dimensions of mixed micelles of p-alkylbenzenesulfonates by x-ray small-angle scattering. Cabos, C.; Delord, P.; Rouviere, J. (Cent. Dyn. Phases Cond. 28675-11-8 and 25155-30-0 are cas registry numbers. These chemicals are also mentioned in this article., Univ. Sci. Tech. Languedoc, Montpellier, Fr.). J. Appl. Crystallogr., 10, Pt. 1, 37-44 (French) 1977. CODEN: JACGAR. DOCUMENT TYPE: Journal CA Section: 66 (Surface Chemistry and Colloids) The structure of micellar solns. was detd. from x-ray small-angle scattering measurements on an abs. scale. The most probable structure was chosen by comparison with spherical cylindrical and lamellar models. The method was applied to 2-component micelles. The variation of micellar dimensions was studied when the concn. of each component was varied. .