释义 |
toluenesulfonic acid \| ̷ ̷ ̷ ̷ˌ ̷ ̷| ̷ ̷| ̷ ̷ ̷ ̷-\ noun Etymology: toluene + sulfonic : any of three isomeric crystalline oily liquid strong acids CH3C6H4SO3H of which the para and ortho isomers are obtained in a mixture by sulfonation of toluene and used in organic synthesis (as of dyes) |