English name: CTAB; Hexadecyltrimethyl ammonium bromide; Cetyltrimethylammonium bromide; Cetrimonium bromide; Palmityl trimethyl ammonium bromide
Other names: cetyltrimethylammonium bromide; cetrimonium bromide; tribromide
CAS number: 57-09-0
C19H42BrN = 364.45
Acidity (as H +): â‰¤1.0mmol / 100g
Ethanol dissolution test: qualified heavy metals: â‰¤0.0005%
Residue on ignition: â‰¤0.1%
Properties: white microcrystalline powder. Is a quaternary ammonium salt. Hygroscopic. Stable in acidic solution. Soluble in 10 parts of water, soluble in ethanol, slightly soluble in acetone, almost insoluble in ether and benzene. Melting point 237 ï½ž 243 â„ƒ. Half of the filtration volume (rat, vein) is 44mG / kG. Irritating to eyes, respiratory system and skin.
Uses: biochemical research. Colorimetric or photometric determination of antimony and tin. Intestinal glucose absorption inhibitor. Phase transfer catalyst for aromatic reduction and epoxidation of olefins. Surfactant. Fungicide. Disinfectant preservation: RT
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