| 单词 | para-toluenesulfonic acid |
| 释义 | para-toluenesulfonic acid [¦par·ǝ ¦täl·yǝ´wēn¦sǝl¦fän·ik `as·ǝd] ORGANIC CHEMISTRY C6H4(SO3H)(CH3) Toxic, colorless, combustible crystals soluble in water, alcohol, and ether; melts at 107°C; used in dyes and as a chemical intermediate and organic catalyst. |
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