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Ammonium perchlorate melting point

The first reported synthesis of acrylonitrile [107-13-1] (qv) and polyacrylonitrile [25014-41-9] (PAN) was in 1894. The polymer received Htde attention for a number of years, until shortly before World War II, because there were no known solvents and the polymer decomposes before reaching its melting point. The first breakthrough in developing solvents for PAN occurred at I. G. Farbenindustrie where fibers made from the polymer were dissolved in aqueous solutions of quaternary ammonium compounds, such as ben2ylpyridinium chloride, or of metal salts, such as lithium bromide, sodium thiocyanate, and aluminum perchlorate. Early interest in acrylonitrile polymers (qv), however, was based primarily on its use in synthetic mbber (see Elastomers, synthetic). [Pg.274]

Ammonium acetate in acetic acid converts 55a into the imine (59). The hydrogen-bonded, resonance-stabilized form shown is consistent with its high melting point and intense color. The structure is further supported by the ability of the naphthalene analog, which is more soluble, to form a stable complex with cupric perchlorate. ... [Pg.234]

Sodium chlorate forms colorless, odorless crystals or white granules. The melting point of the crystals is 248 Celsius, but it begins to decompose into oxygen and sodium perchlorate when heated to 300 Celsius. The crystals are highly soluble in water, but relatively insoluble in alcohol, and most common organic solvents. Sodium chlorate is widely used in pyrotechnic compositions, and in the preparation of ammonium chlorate, and perchlorate, which are used in powerful solid rocket fuels. [Pg.108]

DNAN forms colorless crystals with a melting point of 120 Celsius. It is fairly soluble in hot water, hot ethanol, methanol, and acetone. It is less soluble in cold water, cold ethanol, and insoluble in chloroform, benzene, ether, and petroleum ether. DNAN is somewhat hygroscopic, and moisture slowly decomposes it—should be stored in a desiccator. A small sample bums leaving a residue of carbon when ignited—a small sample can be detonated by the blow of a hammer. DNAN can be used in explosive compositions when alloyed with TNT, or other low melting secondary explosives, gun propellants with nitrocellulose, nitro starch, or nitroglycerine, and rocket propellants when mixed with ammonium perchlorate. DNAN also demonstrates usefulness for priming mixtures with lead azide, lead styphnate, or diazodinitrophenol, and for use in fireworks. ... [Pg.259]

Styphnic acid is a yellow crystalline solid with a melting point of 176 Celsius. It is insoluble in water, but soluble in alcohol, ether, and acetic acid. Styphnic acid turns deep yellow on contact with air, so it should be stored in tightly sealed bottles in a cool place. The compound is corrosive and readily forms salts with metal hydroxides and carbonates—many of which are primary explosives, i.e., lead styphnate. Styphnic acid bums rapidly and violently when ignited. For safety reasons, styphnic acid should be stored wet with 10% water. It is used primarily in the manufacture of lead styphnate, but is used with outstanding results in explosives compositions when mixed with nitrocellulose, sodium nitrate, or ammonium perchlorate and... [Pg.294]

Molecular weight 117. 9, colourless rhombic crystals, specific gravity 1.95 and it is the least used of all the oxidizers in the firework industry. It has a transition point-to the tetragonal system at about 2 0 C. It is said that pure ammonium perchlorate sublimes without melting when it is slowly heated in the air, but when we heat the normal commercial material in a porcelain crucible with an electric heater, it decomposes violently at 260 360 C. A sample which was recrystallized four times decomposed at 386 0. From this fact we know that ammonium perchlorate decomposes easily due to the action of some impurities, Cr etc. [Pg.94]


See other pages where Ammonium perchlorate melting point is mentioned: [Pg.78]    [Pg.249]    [Pg.261]    [Pg.267]    [Pg.29]    [Pg.65]    [Pg.29]    [Pg.432]    [Pg.221]    [Pg.813]    [Pg.89]    [Pg.86]    [Pg.110]    [Pg.40]   
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Ammonium perchlorate

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