Phase transfer catalyst
| Number | Product Name | CAS No. | DETAIL | Inquiry |
| 1 | Tetrapropylammonium Hydroxide TPAH | 4499-86-9 |  |
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| 2 | Tetrapropylammonium Bromide TPAB | 1941-30-6 | |
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| 3 | Tetrabutylammonium bromide（TBAB） | 1643-19-2 | |
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