Molecular formula :
nature : colorless crystal. 67.5 ° C melting point. Boiling point of 128.8 ° C (3.3 kPa, 25 mm Hg). 140 ~ 150 ° C for a gradual change of place isomers. Dissolved in water, ethanol and ether. Preparation for saccharin and dyes. Yes toluene sulfonate Preparation of p-toluenesulfonic acid by-products. Also toluene and sulfuric acid from 100 ° C from the following role.
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