Solutions benzyl benzoate

Heat the mixture of benzyl benzoate and Cre-mophor RH 40 to about 60°C. 

Stir strongly and slowly add the water. Finally add the ethanol. This produces a clear, colorless liquid. 

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Benzyl Benzoate Solution (10%) Benzylpen icilline + Dihydrostrepto-... 

When benzaldehyde is treated with a concentrated caustic alkali solution, polymerisation occurs with the formation of benzyl benzoate, which then... 

The production of benzyl benzoate from benzaldehyde, which may be isolated under special conditions (low temperature and absence of excess of alkali), is explained by assuming that when some benzyloxide ions (CgHj—CHjO s RCH O ) are formed in the alkaline solution, these can replace hydroxide ions thus ... 

Me3SiCl 14 (40 mmol) is added with stirring to a solution of 20 mmol benTyl benzoate and 40 mmol Nal in 20 mb abs. acetonitrile. The reaction mixture is then heated under reflux for 4 h, cooled to room temperature, and 50 mb H2O is added to saponify the trimethylsilyl benzoate. The reaction mixture is then taken up in 2 X 50 mb ether, which is washed successively with H2O and aqueous thiosulfate solution to remove inorganic salts and iodine. The benzoic acid is then extracted with 2 X 15 mb aqueous 15% NaHC03 solution, leaving benzyl iodide and traces of unreacted benzyl benzoate in the ether layer. On acidification of the aqueous NaHC03 extract 80% benzoic acid is recovered [1] (Scheme 6.17). 

Benzyl benzoate has been identified in certain natural plant products.1 In the laboratory it has been prepared by the action of (a) benzoyl chloride upon benzyl alcohol,2 (b) benzyl chloride upon sodium benzoate, and (c) alcoholates upon benzaldehyde.3 Recently, Gomberg and Buchler 4 have shown that reaction (b) may be conducted even with aqueous solutions of sodium benzoate. 

Thus, the reaction with aromatic aldehydes is second order in aldehyde and first order in hydroxide ion,31 and no deuterium becomes attached to carbon in the alcohol fragment when the reaction is carried out in deuterium oxide solution.32 It is interesting that when the reaction is carried out with benzaldehyde in the cold and in the absence of excess alkali, benzyl benzoate has been isolated.33 Although the point has not yet been settled, it seems probable that the ester is formed by a secondary reaction between the benzylate ion which is formed initially (XXIII) and two molecules of benzaldehyde 2M0... 

It is likely that new claims are on the horizon for bleach mold cleaner as a study has found that (hypochlorite) bleach solutions neutralize indoor mold allergens [350], Hypochlorite bleach would also inactivate many types of protein residues (like those from dust mites) by denaturing the protein. Indoor allergen cleaners were launched and on the market briefly in 1999 to 2000, which were nonbleach formulas (depending instead on benzyl benzoate, an acaricide). These products were recalled and discontinued due to consumer complaints. 

Rating 1). Incompatible with strong oxidizers, caustics, ammonia, amines, isocyanates. The aqueous solution is a weak acid. On small fires, use dry chemical powder (such as Purple-K-Powder), foam, water spray, or COj extinguishers. BENZOATO de BENCILO (Spanish) (120-51-4) see benzyl benzoate. BENZOATO de ETILO (Spanish) (93-89-0) see ethyl benzoate. 

The polymerization of the gaseous monomer (bp, 13.9°C) can be performed in solutionv in emulsion, and in suspenrion the polymer is obtmned in the form of a fine powder. It is only difficulty soluble, and elevated temperatures and special solvents such as chloronaphthalene, dibutyl phthalate, tricresyl phosphate, and benzyl benzoate must be ployed. In order to achieve better solubility in a larger number of solvents, the polymers are often subjected to finther treatment, which consists in an afterchlorination, a treatment with acids, or milling. Increased solubility of the polymer is also attained by solution polymerization at high pressures and temperatures. Polyvinyl chloride is insoluble in its own monomer. 

A mixture of powdered benzyl phenyl ketone and 2 eqs. of m-chloroperoxybenzoic acid kept at room temp, for 24 h - benzyl benzoate. Y 97% (46% in chloroform). In some cases the reaction was much faster in the solid state than in solution. F.e. inch lactones s. F. Toda et al., J. Chem. Soc. Chem. Commun. 1988, 958-9. 

The scabies mite, Sarcoptes scabiei van hominis, is becoming increasingly resistant to existing acaricidal compounds such as lindane, benzyl benzoate, permethrin, and oral ivermectin. The potential use of a 5% M. alternifolia essential oil solution to treat scabies infections was investigated in vitro. It was found to be highly effective at reducing mite survival times, and the main active component was terpinen-4-ol. However, the in vivo effectiveness was only tested on one individual, in combination with benzyl benzoate and ivermectin (Walton et al., 2004). 

Procedure 0.1ml of benzyl benzoate, 0.5 ml of 50% KOH, and 0.5 ml of methanol are mixed in a 10-ml flask and refluxed for 1 hr (oil bath). After cooling, the mixture is diluted with 10 ml of water and then extracted in a separatory funnel three times with 5 ml of ether. The combined ethereal extracts are dried with sodium sulfate and filtered into a filtration flatsk, and ether is distilled off. The flask with the residue is then heated for 10 min in a drying oven at 105 — 110 °C, and after a short cooling a solution of 0.5 g of 3,5-dinitrobenzoyl chloride in 2 ml of benzene and 0.1 ml of pyridine is added to it. Potassium carbonate (11 g) is then added to the mixture while cooling externally with ice, to make the solution saturated, and the mixture is shaken for 3 min. Ether (30 ml) is then added and allowed to stand with occasional shaking. The ethereal layer is separated and washed successively with two 5-ml portions of 5% sulfuric acid, 5 ml of water, two 5-ml portions... 

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