4-(二甲基氨基)苯磺酸在医药、农药、染料等领域有应用，具体用途需结合具体领域进一步研究。
医药; 农药; 染料
路线1：
- 步骤: 将N,N-二甲基苯胺（2.5g，20mmol）和双三甲基甲硅烷基硫酸盐（5.0g，20mmol）的混合物在170℃下加热5小时；冷却至室温，过滤分离所得固体，用Et₂O洗涤；将固体溶解在H₂O中，真空浓缩得到标题化合物。
- 条件: 170℃，5小时；
- 收率: 100%（定量）；
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