Benzyl ether 192 INDEX

Foaming Characteristics. When producing resol-type and benzylic ether-type foams, the index expresses apparent reactivity. Following are the foaming times ... 

CAS 538-86-3 EINECS/ELINCS 208-705-7 Synonyms Benzene, (methoxymethyl)- Ether, benzyl methyl (Methoxymethyl) benzene a-Methoxytoluene Methyl benzyl ether a-Methylbenzyl ether Empirical CsHioO Formula C6H5CH2OCH3 Properties Liq. sol. in alcohol, ether sol. 3000 mg/l in water (20 C) m.w. 122.17 sp.gr. 0.949 vapor pressure 1.5 mm Hg m.p. -52.6 C b.p. 174 C flash pt. 53 C ref. index 1.5016 Toxicology TSCA listed... 

A further aid in the location of the solvents and their exact specification is the Chemical Abstracts (CAS) Registry Number, shown in the second column. The Chemical Abstracts name may be the same as the commonly used one or may differ from it considerably, so that it is not always easy to find the solvents in these Chemical Substance Indexes of the Chemical Abstracts. Eor instance, benzene, methyl is a fairly transparent name for toluene, and methanol, phenyl a slightly less one for benzyl alcohol, but one has to become familiar with the systematics of Chemical Abstracts nomenclature in order to search for diethyl ether or any other more complicated compound. It is expected that with all this information available in table Al the solvents listed are definitely specified and readily found in the Abstracts and other compilation of information and data. 

Definition Ester of benzyl alcohol and benzoic acid Empirical C14H12O2 Formula CeHsCOOCH CeHs Properties Colorless oily Iiq., si. aromatic odor sol. in oxygenated/chlorinated soivs. misc. with alcohol, chloroform, ether insol. in water, glycerin m.w. 212.26 sp.gr. 1.116-1.120 m.p. 21 C b.p. 324 C flash pt. (CC) 298 F ref. index 1.568 Toxicology LD50 (oral, rat) 500 mg/kg, (skin, rabbit) 4000 mg/kg mod. toxic by ingestion, skin contact TSCA listed Precaution Combustible Iiq. reactive with oxidizing materials... 

Empirical C12H20O2 Formula CH3COOC10H17 Properties Colorless clear oily liq., bergamot odor sol. in alcohol, ether, diethyl phthalate, benzyl benzoate, min. oil, fixed oils si. sol. in propylene glycol insol. in water m.w. 196.32 dens. 0.898-0.914 b.p. 108-110 C flash pt. 185 F ref. index 1.4500... 

Phenyl-2-methyl-2-propanol. See Dimethyl benzyl carbinol 3-Phenyl-2-methyl-propen-2-ol-1. See Methylcinnamyl alcohol 1 -Phenyl-3-methyl-5-pyrazolone CAS 89-25-8 EINECS/ELINCS 201-891-0 Synonyms Cl developer 1 Developer Z 2.4-Dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one 3-Methyl-1 -phenyl-2-pyrazolin-5-one 3-Methyl-1 -phenyl-5-pyrazolone Norantipyrine Norphenazone 1-Phenyl-3-methyl-5-oxo-2-pyrazoline 1-Phenyl-3-methylpyrazolone-5 5-Pyrazolin-5-one, 3-methyl-1-phenyl-5-Pyrazolone, 3-methyl-1-phenyl-Empirical C10H10N2O Formula C6HsNN C(CH3)CH2CO Properties Wh. to It. yel. powd. orcryst. sol. 10-50 mg/ml in DMSO, 95% ethanol, acetone si. sol. in benzene sol. < 1 mg/ml in water insol. in ether, petrol, ether m.w. 174.20 vapor pressure < 0.01 mm Hg (20 C) m.p. 127-130 C b.p. 287 C (105 mm) ref. index 1.637 (20 C)... 

Balsam of Peru is frequently adulterated as it is an expensive product, and if possible the source of supply should be ascertained as a reliable criterion of purity. Bennett summarised the analysis of balsam of Peru and in his opinion the best guide to value is the content of cinnamein (which name was originally used for benzyl cinnamate but is now employed for esters soluble in ether but insoluble in caustic soda and might better be termed balsamic esters ). This may, however, be deliberately increased by the addition of benzoic esters, benzyl benzoate being commonly used. The extreme limits of cinnamein for genuine balsam lie between 51 and 66 per cent. The refractive index of the balsam at 25° was... 

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