Ammonium bromide CAS

Bromide Ammonium bromide [CAS 12124-97-9] NFUBr white solid, soluble, sublimes at 5423C, formed by reaction of NH4OH and hydrobromic acid. Used in photography. 

Benzyl tri-n-butylammonium chloride. See Benzyl tributyl ammonium chloride Benzyl trichloride. See Benzotrichloride Benzyltriethyl ammonium bromide CAS 5197-95-5 Empirical CisH22BrN Properties M.w. 272.23 m.p. 194 C Storage Hygroscopic... 

Benzyltrimethyl ammonium bromide CAS 5350-41-4 EINECS/ELINCS 226-320-2 Synonyms Ammonum, benzyltrimethyl-, bromide Benzenemethanaminium, N,N,N-trimethyl-, bromide N-Benzyl-N,N,N-trimethylammonium bromide Trimethylbenzylammonium bromide Empirical CioHieBrN Formula C6HsCH2N(CH3)3Br Properties Wh. powd. m.w. 230.15 m.p. 230-232 C... 

Tetrabutyl ammonium bromide CAS 1643-19-2 EINECS/ELINCS 216-699-2 Synonyms 1-Butanaminium, N,N,N-tributyl-, bromide TBAB Tetra-N-butylammonium bromide... 

Tetrapropyl ammonium bromide CAS 1941-30-6 EINECS/ELINCS 217-727-6 Synonyms Ammonium, tetrapropyl-, bromide Tetra-n-propylammonium bromide N,N,N-Tripropyl-1-propanaminium bromide Empiricai Ci2H2sBrN Formuia (CH3CH2CH2)4N Br Properties Wh. to off-wh. cryst. solid sol. ( 21.5 C) > 100 mg/ml in water, DMSO, 95% ethanol, sol. 10-50 mg/ml in acetone sol. > 10% in chloroform m.w. 266.26 m.p. 270 C (dec.)... 

Place 425 ml. of concentrated ammonia solution (sp. gr. 0-88) in a 500 ml. round-bottomed flask and add slowly 75 g. of a-bromocaproic acid (Section 111,126). Stopper the flask tightly and allow it to stand in a warm place (50-55°) for 30 hours. Filter the amino acid at the pump and keep the filtrate A) separately. Wash the amino acid (ca. 26 g.) well with methyl alcohol to remove the ammonium bromide present. Evaporate the aqueous filtrate (A) almost to dryness on a steam bath. 

Formulations of ammonium phosphates and ammonium bromide are sold for use on ceUulosic—synthetic fiber blends. Other ammonium phosphate formulations contain wetting and softening agents. A large-volume, ca 9000 t/yr ia 1991, use ia the United States (48) for ammonium phosphate is ia forest fire control, usuaUy by aerial appUcation (see also Ammonium compounds). 

High-boiling products found in this procedure and in similar experiments involving cyclohex-2-enone derivatives5 probably result from bimolecular reduction processes.15 3-Methylcyclohexanone, which arises by protonation rather than alkylation of the enolate (and which made up ca. 12% of the volatile products), is probably the result of reaction of allyl bromide with liquid ammonia to form the acidic species allyl ammonium bromide.5 10... 

Br HBr HBr NH Br KBr KBA UBr NaBr Hydnobromic acid Hydrogen bromide Ammonium bromide Potassium bromide Potassium bromate Lithtum bromide Sodium bromide HgC NaSa NaaHCaOg NiCjNj ZnCA CA KsFeCgNs FejCiaNij Ca... 

Melam hydrobromide undergoes thermal degradation between 450-550 0 (2nd step, Figure 6) with complete elimination of bromine either through evolution of ammonium bromide, which is the major product, or melamine hydrobromide as shown by IR. Also a small amount of free ammonia is evolved in this step in which melon is formed as shown by the IR of the residue at 550 0 (ca. 35% of original melamine hydrobromide). 

In the Amoco process, p-xylene is oxidized at 200 °C under 15-20 atm in acetic acid and in the presence of a catalyst consisting of a mixture of cobalt acetate (5% weight of the solution), manganese acetate (1%) and ammonium bromide. Owing to the highly corrosive nature of the reaction mixture, special titanium reactor vessels are required. One of the main difficulties of this process is to remove the intermediate oxidation products such as p-toluic acid or p-carboxybenzal-dehyde which contaminate TPA obtained by precipitation from the reaction medium. A series of recrystallization and solvent extraction apparatus is required to obtain fiber grade TPA with 99.95% purity. The overall yield in TPA is ca. 90% for a 95% conversion of p-xylene. 

Two grams of the product is dissolved in a minimum amount of water at room temperature, and a slight excess ( - 1.75 g.) of ammonium bromide is added. After it has cooled in ice, the bromide salt of the complex is filtered off and recrystallized. To convert to the perchlorate salt, a slight excess (by weight) of silver perchlorate is added to a saturated solution of the bromide salt in ca. 0.3 M perchloric acid at 40°C. (small quantities of perchloric acid only are required). The silver bromide is filtered off, and a third of the volume of ice-cold 72% perchloric acid is added. The sample obtained is recrystallized twice. Anal. Calcd. for [(NHs)sCo(NH2)Co(NH,)6](C104)6-H20 Cl, 21.7 H, 4.15 N, 18.8. Found Cl, 21.2 H, 4.3 N, 18.6. 

Cationic surfactants, where the hydrophilic group carries a positive charge (e.g., quaternary ammonium halides, R4N" C1 ). Examples of pharmaceutical importance include cetrimide, a mixture consisting mainly of tetradecyl (ca. 68%), dodecyl (ca. 22%), and hexadecyltri-methylammonium bromides (ca. 7%), as well as benzalkonium chloride, a mixture of alkyl-benzyldimethylammonium chlorides of the general formula [C6H5CH2N+(CH3)2R]C1, where R represents a mixture of the alkyls from... 

A 1-g. ampoule of osmium(VIII) oxide (ca. 0.004 mol) is broken into a 100-ml. Erlenmeyer flask, and 36 ml. of 47% hydrobromic acid is added immediately. The mixture is boiled under reflux for 2 hours. The solution is decanted from the portions of broken glass into a 125-ml. beaker, and the flask is rinsed with an additional 7 ml. of the hydrobromic acid solution. To the hot solution in the beaker, 3 g. of ammonium bromide (0.03 mol) is added. After the solid has dissolved completely, the mixture is cooled to room temperature, and 50 ml. of absolute ethanol is added with stirring. The dense black solid which forms is allowed to settle f and is then washed by decantation with absolute ethanol until the washings are nearly free from bromide ion. The residue is transferred to a sintered-glass filter and washed on the filter with absolute ethanol until the filtrate gives no turbidity with ethanolic silver nitrate solution. The product is then dried at 140°. 

Alanylglycine 515 7V-(2-Bromopropionyl) glycine was heated with the five-fold amount of 25 % aqueous ammonia in a sealed tube at 100° for 20 min. The solution was evaporated, ethanol was added, and evaporation repeated to remove all the water. When the residue was treated with hot anhydrous ethanol (60 ml/5g of starting material) the ammonium bromide all gradually dissolved. The residual dipeptide was dissolved in the smallest possible amount of hot 50 % ethanol, and the solution was filtered and treated with anhydrous ethanol tot incipient turbidity. The product crystallizes slowly in short needles, m.p. ca. 228° (dec.) (87%). 

See Lauralkonium bromide Ammonium, benzylhexadecyidimethyl-, chloride. See Cetalkonium chloride Ammonium, benzyltriethyl-, chloride. See Benzyltriethyl ammonium chloride Ammonium, benzyltrimethyl-, hydroxide. See Benzyl trimethyl ammonium hydroxide Ammonium biborate CAS 12007-58-8 12228-87-4 (tetrahydrate)... 

Ammonium, tetramethyl-, bromide. See Tetramethylammonium bromide Ammonium, tetramethyl-, hydroxide. See Tetramethylammonium hydroxide Ammonium, tetramethyl-, iodide. See Tetramethyl ammonium iodide Ammonium, tetrapropyl-, bromide. See Tetrapropyl ammonium bromide Ammonium, tetrapropyl-, iodide. See Tetrapropyl ammonium iodide Ammonium thiocyanate CAS 1762-95-4 EINECS/ELINCS 217-175-6 UN 9092 (DOT)... 

Ammonium tricarbonatozirconate. See Ammonium zirconyl carbonate Ammonium, trimethyloctadecyl-, chloride. See Steartrimonium chloride Ammonium, trimethylphenyl-, hydroxide. See Tri methyl phenyl ammonium hydroxide Ammonium, trimethyltetradecyl-, bromide. See Myrtrimonium bromide Ammonium tungstate CAS 11120-25-5 EINECS/ELINCS 234-364-9 Synonyms Ammonium paratungstate Ammonium tungstate (VI) Ammonium p-tungstate Ammonium wolframate APT Empirical H40N10O41W12... 

Ammonum, benzyltrimethyl-, bromide. See Benzyltrimethyl ammonium bromide AMM0NYX 4, AMMONYX 4B, AMMONYX 485, AMMONYX 4002, AMMONYX CA-Special. See Stearalkonium chloride AMMONYX CDO Special, AMMONYX CDO. 

Benzal green. See Basic green 4 Benzalkonium bromide CAS 91080-29-4 EINECS/ELINCS 293-522-5 Synonyms Alkyl dimethyl benzyl ammonium bromide Quaternary ammonium compds., benzyl-, C8-18-alkyldimethyl, bromides Definition Mixt. of alkylbenzyidimethylammonium bromides... 

Trade Name Synonyms Emalex CWS-5 [Nihon Emulsion http //www.nihon-emuision.co.jp] Cetethyidimonium bromide CAS 124-03-8 EINECS/ELINCS 204-672-8 Synonyms Ammonium, ethylhexadecyidimethyl-, bromide CDA Cetyl dimethylethyl ammonium bromide Cetyl ethyl dimethylammonium bromide Dimethyl ethyl hexadecyl ammonium bromide... 

Cetylpyridinium bromide CAS 140-72-7 EINECS/ELINCS 205-428-3 Synonyms N-Cetylpyridinium bromide Hexadecylpyridine bromide Hexadecylpyridinium bromide Classification Quaternary ammonium compd. Empirical C2iH3sBrN Formula CieHaaCsHsNBr Properties Cream-colored waxy solid sol. in acetone, ethanol, chloroform m.w. 384.44 cationic... 

Didecyl dimethyl ammonium bromide. See Didecyidimonium bromide Didecyl dimethyl ammonium chloride. See Didecyidimonium chloride Didecyidimonium bromide CAS 2390-68-3 EINECS/ELINCS 219-234-1 Synonyms 1-Decanaminium, N-decyl-N,N-dimethyl-, bromide Didecyl dimethyl ammonium bromide... 

CAS 538-71-6 EINECS/ELINCS 208-702-0 Synonyms N,N-Dimethyl-N-(2-phenoxyethyl)-1 -dodecanaminium bromide 1-Dodecanaminium, N,N-dimethyl-N-(2-phenoxyethyl)-, bromide Dodecyidimethyl (2-phenoxyethyl) ammonium bromide PDDB Phenododecinium bromide P-Phenoxyethyidimethyidodecylammonium bromide... 

N-Lauroylsarcosine. See Lauroyl sarcosine N-Lauroylsarcosine, sodium salt. See Sodium lauroyl sarcosinate Laurtrimonium bromide CAS 1119-94-4 El NECS/ELINCS 214-290-3 Synonyms Ammonium, dodecyltrimethyl-, bromide 1-Dodecanaminium, N,N,N-trimethyl-, bromide Dodecyltrimethylammonium bromide n-Dodecyltrimethylammonium bromide Lauryl trimethylammonium bromide N,N,N-Trimethyl-1-dodecanaminium bromide Classification Quaternary ammonium salt Empirical C1SH34N Br Formula [CH3(CH2)ioCH2N(CH3)3r Br ... 

Laurylimidazoline sulfobetaine. See Sodium lauroamphohydroxypropylsulfonate Lauryl isoquinolinium bromide CAS 93-23-2 EINECS/ELINCS 202-230-9 Synonyms Dodecylisoquinolinium bromide 2-Dodecylisoquinolinium bromide Isoquinolinium, 2-dodecyl-, bromide Classihcation Quaternary ammonium compd. Empirical C21H32N Br Properties M.w. 378.40 Toxicology LD50 (oral, rat) 230 mg/kg primary irritant may cause Gl changes TSCA listed Uses Antimicrobial, antistat, surfactant in cosmetics... 

Tetraethoxysilane. See Ethyl silicate Tetraethylammonium bromide CAS 71-91-0 EINECS/ELINCS 200-769-4 Synonyms Ammonium, tetraethyl-, bromide Ethanaminium, N,N,N-triethyl-, bromide TEAB Tetrylammonium bromide N,N,N-Triethylethanaminium bromide Classification Nonaromatic amine Empirical CaH2oBrN Formula (C2Hs)4N Br ... 

N,N,N, N -Tetramethyl acridine-3,6-diamine, hydrochloride. See Basic orange 14 Tetramethylammonium bromide CAS 64-20-0 EINECS/ELINCS 200-561-2 Synonyms Ammonium, tetramethyl-, bromide Methanaminium, N,N,N-trimethyl-, bromide TMAB N,N,N-Trimethylmethanaminium bromide... 

Tetra-n-propylammonium bromide. See Tetrapropyl ammonium bromide Tetrapropyl ammonium iodide CAS 631-40-3 EINECS/ELINCS 211-157-1 Synonyms Ammonium, tetrapropyl-, iodide 1-Propanaminium, N,N,N-tripropyl-, iodide Tetra-n-propylammonium iodide N,N,N-Tripropyl-1-propanaminium iodide Empirical C12H28IN... 

These two mixtures (sodium aluminate and silica suspension) were combined at room temperature by adding the aluminate solution to the silica suspension. The gel was stirred for 5 min (to achieve good homogeneity the agitation rate of up to 1000 rpm may be needed), mixed with ca 11 g of the 25% water solution of surfactant (see Tab.1) or, with AIMS-63, ca 22 g of the 25% water solution of octyltrimethyl-ammonium bromide (all surfactants Fluka), and stirred for another 5 min (500 rpm). Then the gel was reacted with stirring (150 rpm) in a 250 ml polypropylene autoclave at 104°C for 24 hours. The resulting solid product was recovered by filtration, washed with water, extracted with ethanol for 4 hours in a Soxhiet apparatus and finally calcined in air at 600°C for 22 hours. 

Reddy et al. reported the synthesis of V-containing NCL-1 from a gel containing fumed sihca, NaOH, vanadyl sulfate and hexamethylene bis (triethyl-ammonium bromide). Incorporation of V is rather Hmited, the lowest Si/V ratio obtained being 150 [111]. Though the structure of NCL-1 is still unknown, adsorption and diffusivity experiments indicate a pore size close to that of mor-denite (ca. 7 A) [112]. Therefore, V-NCL-1 would represent the unique example of V incorporation in a large pore molecular sieve. 

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