Amines octadecylamine

CAS 124-30-1 EINECS/ELINCS 204-695-3 Synonyms 1-Aminooctadecane Monooctadecylamine 1-Octadecan-amine Octadecylamine n-Octadecylamine Slearylamine n-Steatylamine... 

We selected a primary amine (octadecylamine) to improve the heat stability of our organ-oclay because primary amines do not undergo Hofman elimination reactions upon heating. Octadecylamine was protonated by HCl and dissolved in water for the eation exchange... 

Filming amines In such situations, one approach is to use the filming type of amine, of which octadecylamine is the most common example. This, and related substances, forms a barrier on the internal surfaces of the feed system offering some protection against corrosive attack. 

Condensate treatments include neutralizing amines such as morpholine and filming amines such as octadecylamine (ODA). 

Octadecylamine (filming amine) 3 ppm maximum in steam, and excluding the use of such steam in milk and milk products. 

Some commonly used filming amines are better at promoting dropwise condensation, whereas others, notably octadecylamine (stearylamine), are better at reducing friction and improving the drop runoff rate. 

Amine acetates [R-NH2-CH3COOH]. Examples include hydrogenated tallowalkylamine acetate and octadecylamine actetate. 

DNA solution (25 mg/mL) was used as a subphase. Octadecylamine monolayer was spread at the subphase surface and compressed to the surface-pressnre valne of 15 mN/m. The adsorption of DNA at the amine head groups was performed for 1 hour. Then the layer was compressed to 30 mN/m and the film was transferred onto solid snbstrates. 

As a cationic polymer and a cationic amphiphile, poly(allyl amine hydrochloride) (PAA) and octadecylamine (ODA) shown in Fig. 6 were used, respectively. The stability of the monolayers of the anionic amphiphiles was increased by polyion-complexation with PAA added in the aqueous subphase in comparison with Ca2+ salt formation. Ion complexation (1 1) of each anionic amphiphile with ODA was also performed at the air-water interface by spreading a chloroform solution of a 1 1 surfactant mixture. 

V,Af-Dimethylaniline A A,A, AT-Tetramethyl-p-phenylenediamine Cyclic amines 4,4 -Bipyridyl Quinoline Pyridine A-oxide Pyridinium chloride Hydroxides CsOH LiOH NaOH Triton B6 Alkylamines Ammonia Methylamine Ethylamine Propylamine Butylamine Decylamine Dodecylamine Tridecylamine Tetradecylamine Pentadecylamine Hexadecylamine Heptadecylamine Octadecylamine Tributylamine Miscellaneous Ammonium acetate Hydrazine Potassium formate Guanidine... 

Transmission electron microscopy (TEM) has been an underutilized yet valuable too in particle size characterization of MC particles in LB films. Monolayer films of trioctylphosphine oxide-capped CdSe (18), spread as a monolayer on an aqueous subphase, were transferred to a TEM grid. A close-packed hexagonal arrangement of 5.3-nm (cr —4%) crystallites was found. TEM images were also obtained for HMP-stabilized CdS incorporated in BeH/octadecylamine films (79) and for CdS formed under an amine-based surfactant monolayer and transferred to a TEM grid (14). In one study, direct viewing of CdS and CdSe particles made from Cd2+-FA films on TEM grids was not possible due to poor phase contrast between the particles and the film (30). Diffraction patterns were observed, however, that were consistent with crystalline (3-CdS or CdSe. Approximately spherical particles of CdSe could... 

CA 78, 6096(1973) (Aq expl comprising a higher amine, a gelling agent, and an inorganic oxidizer salt. An example is 60% aq AN 200, modified guar gum 2.8, ethoxylated octadecylamine 2 gm)... 

A flask of this size is used because of the tendency of the solution to froth during the gas evolution. Frothing usually is not bad with this amine but is quite bothersome when the higher aliphatic amines (decylamine to octadecylamine) are methylated. 

ARMEEN 18 ARMEEN 18D ARMOFILM CRODAMINE 1.18D FARMIN 80 ICEMAMINE P990 MONOOCTADECYLAMINE NISSAN AMINE AB n-OCTADECYLAMINE 1-OCTADECYLAMINE OKTADECYLAMIN (CZECH) STEARAMINE STEARYLAMINE n-STEARYLAMINE... 

In alcoholic solution, lactose reacts with ammonia, aniline, do-decylamine, urea, guanidine, and hydroxylamine, respectively, to give lactosylamine derivatives. W-Octadecyllactosylamine was formed by condensing octadecylamine with lactose in 2-propanol-water (5 3 vol./ vol.) at room temperature. Occasionally, presence of a trace of acidic catalyst, such as ammonium chloride, zinc chloride, or hydrogen chloride may be necessary, especially if the amine is a weak base. p-Amino-phenol and p-phenetidine condense with lactose under such conditions. Condensation of lactose with o-phenylenediamine gives a quinoxaline (41), which is transformed into a flavazole derivative (42) on reaction with phenylhydrazine. The existence of a molecular compound of lactose with... 

Fatty amines can be synthesized by reacting alkylhalides with either ammonia or lower amines, from fatty acids and their derivatives (i.e., amides and ammonium salts), or by ammonolysis of fatty alcohols. Amines dissociate and reveal surface activity primarily under acidic conditions. Higher homologs, such as octadecylamine, are insoluble in water, but soluble in oil. 

Octadecylamine was one of the first film forming amines to be used industrialy for steam condensate system protection. It is only successful in corrosion protection within the relatively narrow pH range of 6.5 - 8.0, and good distribution... 

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