where R1 ¼ R2 for most diesters and R2 ¼ H for the monoester. They were first commercialized under the trade name ‘‘Aerosols.’’ The diesters where R1 is C9 or less generally have good water solubility, although the di-n-octyl diester does have some solubility problems in water at room temperature. The branched-chain esters usually have higher water solubility than do the straight-chain analogs.The higher alkyl analogs of these materials are somewhat unique in that they have good solubility in a wide variety of organic solvents and undergo apparent micelle formation in many nonaqueous systems. A possible disadvantage of the sulfosuccinate esters is that they do undergo significant hydrolysis under both acidic
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