Chromium iodide 6-hydrate

Hydrated Vanadium Tri-iodide, VT3.6H20, is prepared by reducing, electrolytically, a solution of vanadium pentoxide, V2Os, in hydriodic add, until the product becomes green more hydriodic add is then added and the whole allowed to stand over lime and concentrated sulphuric add at 0° C. Small green needles separate, which have the same crystalline form as the hydrated trivalent halides of titanium, iron, and chromium. These crystals are extremely hygroscopic and deliquesce in air to a brown liquid8 which is extremely unstable. 

The hydroxide is usually converted by acids and salts into chromium tetraphenyl salts,1 the fifth phenyl group being split off as phenol or diphenyl. The amount of phenol formed varies apparently with the previous history of the base, homogeneous chromium pentaphenyl hydroxide in its hydrated form giving a 100 per cent, yield of phenol and only traces of diphenyl when treated with a salt such as potassium bromide in the presence of chloroform. The hydrate in absolute alcohol in the complete absence of air affords one molecule of phenol from each molecule of base when acted upon by potassium iodide. The production of phenol probably occurs according to the scheme... 

Tris (ethylenediamine) chromium-(III) iodide, 1-hydrate, 2 199 Tris (ethylenediamine) chromium-(III) sulfate, 2 198 Tris (ethylenediamine) chromium-(III) thiocyanate, 1-hydrate, 2 199... 

Incompat Acids, alkalies, alum, ammonia water, amyl nitrite benzoates betanaphthol, phenol, calomel, chloral hydrate, copper sulfate, ferric chloride ferrous sulfate chromium trioxide (chromic acid), cinchona alkaloids, hydrocyanic acid iodides iodine Lead subacetate mercuric chloride, orthoform potassium permanganate, resorcinol, sod. bicarbonate sod. salicylate (in powder) soln arsenic and mercury iodide, spirit nitrous ether (unless prescribed with sod, bicarbonate), syrup ferrous iodide, tartar emetic tannic acid, thymol, urethane, infusions of catechu, cinchona, rose leaves and uva ursi tinctures of catechu, ferric chloride, cinchona, hamanielis iodine, kino, and rhubarb. 

Methylbromoarsines, synthesis 26 Vanadium(III) fluoride, synthesis 27 Sulfur(IV) fluoride, synthesis 33 Peroxydisulfuryl difluoride, synthesis 34 Trichloro(tripyridine)chromium(III), synthesis 36 Tris(3-bromoacetylacetonato)chromium(III), synthesis 37 Trichloro(tripyridine)molybdenum(III), synthesis 39 Uranyl chloride 1-hydrate, synthesis 41 Rhenium(III) iodide, synthesis 50 Potassium hexachlororhenate(IV) and potassium hexa-bromorhenate(IV), synthesis 51 Iron-labeled cyclopentadienyl iron complexes, synthesis 54 Inner complexes of cobalt(III) with diethylenetriamine, synthesis 56... 

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