Silver chlorite, decomposition

Evaporation occurs to some extent from any liquid surface. Moreover, all evaporation processes are endothermic. In common with the silver chlorite decomposition mentioned above, this process leads to a significant volume... 

HAZARD RISK Stable under normal conditions explosive reactions with trialkylphos-phines and silver chlorite decomposition emits toxic fiimes of carbon dioxide, hydrogen iodide and iodine NFPA Code not available. 

EXPLOSION and FIRE CONCERNS NFPA rating (not available) reacts violently with oxygen at 300 C violent reaction with sodium reacts explosively with trialkylphosphines and silver chlorite decomposition emits toxic fumes of F use water spray, carbon dioxide, dry chemical powder, or appropriate foam for firefighting purposes. 

Many of the metal chlorites are not particularly stable and will explode or detonate when stmck or heated. These include the salts of Hg", Tl", Pb ", Cu", and Ag". Extremely fast decomposition with high heat evolution has been noted for barium chlorite [14674-74-9] Ba(Cl02)2, at 190°C, silver chlorite [7783-91-7] AgC102, at 120°C, and lead chlorite [13453-57-17, at 103°C (109). Sodium chlorite can be oxidized by ozone to form chlorine dioxide under acidic conditions (110) ... 

The chlorates, like the nitrates, are all readily soluble in water lead and silver chlorites, like the corresponding nitrites, are sparingly soluble salts and lead perchlorate is the only salt which does not easily dissolve. As already mentioned, chloric acid is readily decomposed when its aqueous solution is warmed chlorous acid is still less stable but perchloric acid, which may be prepared by distilling together potassium perchlorate with concentrated sulphuric acid, is relatively stable, seeing that it can be distilled without decomposition. It is an oily liquid, with acid taste it is apt to explode when brought into contact... 

The thermal stabilities of the three silver salts decrease [14] in the sequence AgCC04 > AgCCOj > AgC 02, which is also the order of decreasing ionic character. The fusion of AgC 04 well below its melting point is attributed to eutectic formation with AgC during an autocatalytic reaction. The chlorate decomposed at about 80 K above the melting point through disproportionation accompanied by some decomposition. In contrast, the disproportionation of silver chlorite ... 

The example in 4.2.2(c), the decomposition of silver chlorite, proceeds with entropy... 

A mixture of 150 parts of oxalic acid, 40 of potassium chlorate, and 20 of water is heated to 60°, and the soln. cone, in vacuo at 50° until it begins to crystallize. The cold liquid i3 then treated with 3 volumes of absolute alcohol, when potassium carbonate is precipitated. Fine deliquescent needles of potassium chlorite can be obtained by fractional crystallization in vacuo. The residue gives a further crop of crystals of the chlorite by treatment with 95 per cent, alcohol. Small yellow crystals of silver or lead chlorites can be obtained by double decomposition. 

We now investigate a case where the driving force of enthalpy change is negligible. If we search the literature to find a compound whose standard enthalpy of formation, AfH° is close to zero, one example is silver (I) chlorite, AgClC>2(s). If we examine its decomposition reaction in which it forms its elements in their standard states (Af H° for each of which is also zero), then the decomposition ... 

AMMONIUM OXALATE, ANHYDROUS (1113-38-8) CjHsNj04 (Fire Rating 1). Incompatible with acids, ammonium acetate furfliryl alcohol, silver, sodium chlorite, sodium hypochlorite oxidizers. Attacks many metals. Heat of decomposition or fire produces fumes of ammonia, nitrogen oxides, carbon monoxide, carbon dioxide, formic acid. Attacks steel. On small fires, use foam, dry powder, water, or CO2 extinguishers. 

OXALIC ACID (144-62-7) CjHjO. HOOCCOOH Combustible solid heat-sensitive. (combustible <215 F/101°C. Fire Rating 1). Exposure to elevated temperatures, hot surfaces, or flames causes decomposition and the formation of toxic and flammable formic acid and carbon monoxide. Hygroscopic the solution in water is a medium-strong acid. Violent reaction with strong oxidizers, acid chlorides alkali metals bromine, furfuryl alcohol hydrogen peroxide (90%) phosphorus trichloride silver powders sodium, sodium chlorite sodium hypochlorite urea + heat (forms NHj gas, CO2 and CO may explode). Mixture with some silver compounds forms explosive salts of silver oxalate. Incompatible with caustics, mercury, urea. On small fires, use dry chemical powder (such as Purple-K-... 

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