Ethereal iodine

Silver azide, itself a sensitive compound, is converted by ethereal iodine into the less stable and explosive compound, iodine azide. Similarly, contact with nitrogen-diluted bromine vapour gives bromine azide, often causing explosions. 

ETHYL ethynyl, 34, 46 Ethereal iodine, 32, 65 Ethoxyacetylene, 34, 46 0-Ethoxycrotonaldehyde diethyl acetal,... 

Kortiim and Vogel (1955) drew attention to the fact that the spectroscopic determination of the K-values suffered from a degree of uncertainty because of the unknown extinction coefficients of the complexes. For this reason, the authors preferred to determine the constant by means of a solubility method which had already proved of value in analogous investigations of the systems dioxan-iodine and methyl butyl ether-iodine (Kortiim and Kortiim-Seiler, 1950). In this method the solubility of iodine is determined as a function of the composition of solvent mixtures. values obtained by this method are summarized in Table 13. 

Ester interchange between vinyl acetate and fatty acids, 30, 106 1,2-Ethanedithiol, 30, 35 Ethanol, 30, 44 31, 111 32, 5 Ethanol, 2,2-dichloro-, 32, 46 Ether, Ws(4-chlorobutyl), 30, 27 Ethereal iodine, 32, 65 /8-Ethoxycrotonaldehyde diethyl acetal, 32,34... 

Lead alloys other than sodium-lead alloy are also reactive with alkyl halides to form R4Pb compounds. Dimagnesium-lead alloy, Mg2Pb, is reactive with alkyl halides in the presence of a diethyl ether-iodine catalyst mixture to form R4Pb 285>. The reaction with ethyl chloride was considered at one time for the commercial production of tetraethyllead, but the high yields obtained in the laboratory could not be duplicated in pilot plant equipment 284>. A main advantage of the use of Mg2Pb in place of NaPb is that no by-product lead metal is formed under ideal conditions. 

Methanol perchloric acid mixture mix 285 mL methanol with 15 mL HC104 2H20 (73% perchloric acid) Hexane diethyl ether mixture mix 320 mL hexane with 80 mL diethyl ether Iodine crystals, I2... 

The classical work of Eley and collaborators described the vinyl ethers-iodine systems as being characterised by the parallel complexation of the monomer by the catalyst and initiation due to the attack of I onto the double bond. It was on this mechanistic basis that Okamura et applied their scheme to calculate propagation rate constants in 1,2-dichloroethane and -hexane. A criticism of that method has already been given in the previous section and the low values of kp obtained in this study prove that the gross approximations implicit in the method, mainly the neglect of the iodine bound to the polymer, introduce large errors in the estimate of the rate constants. 

Silver azide, itself a sensitive compound, is converted by ethereal iodine into the... 

When an aqueous solution of a-cyclodextrin is placed in contact with an ethereal iodine solution, reddish-brown crystals are formed at the surface having the composition (C6H,o05)6 l2-4H20. X-ray diffraction analysis indicates that the iodine molecule is colinear with the axis of the cyclodextrin. The closest contacts in the perpendicular direction to this axis take place between one of the iodine atoms and the C-5 and C-6 atoms, and the other iodine atom and the 0-4 oxygen atom. The environment is thus hydrophobic for the first, and hydrophilic for the second. The stacking on top of each other of the molecules in the crystal is such that the two apertures of the cavities of each cyclodextrin molecule are clogged by neighbouring molecules. This creates a cage-type structure (McMullan et al. 1973). 

ETHANOL (64-17-5) CjHjOH Flammable liquid. Forms explosive mixture with air [explosion limits in air (% by volume) 3.3 to 19 flash point 55°F/13°C 68°F/20°C (80%) 72°F/22°C (60%) 79°F/26°C autoignition temp 685°F/363°C Fire Rating 3], Reacts, possibly violently, with strong oxidizers, strong acids bases, strong peroxides acetic anhydride, acetyl bromide, acetyl chloride, aliphatic amines, bromine pentafluoride, calcium oxide (quicklime), cesium oxide, chloryl perchlorate, disulfiiryl difluoride, ethylene glycol methyl ether, iodine heptafluoride, isocyanates, nitrosyl perchlorate, perchlorates, platinum, platinum-black catalyst potassium-tert-butoxide, potassium, potassium oxide, potassium peroxide, potassium superoxide phosphorus (III) oxide, silver nitrate, silver oxide, sulfuric acid, oleum, sodium, sodium hydrazide, sodium peroxide, sulfinyl cyanamide, tetrachlorosilane, s-triazine-... 

BORON FLUORIDE (7637-07-2) Reacts with moist air, water, steam, producing hydrogen fluoride, boric acid, and fluoboric acid. Violent reaction with allyl chloride, alkyl nitrate, benzyl nitrate, calcium oxide, ethyl ether, iodine, magnesium tetrahydroaluminate, active metals (except magnesium). Used as a polymerization catalyst contact with monomers may cause explosions. Corrodes most metals in the presence of moisture. 

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