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| Product Name: | 1-Bromo-2-butyne |
| CAS No.: | 3355-28-0 |
| Molecular Formula: | C4H5Br |
| Molecular Weight: | 132.99 |
| structural formula: |  |
| Specification: | |
| Density | 1.519 |
| Boiling point | 40-41 ºC (20 mmHg) |
| Refractive index | 1.508 |
| Flash point | 36 ºC |
| Standard | Assay: 98%min |
| Appearance | Colorless to slight yellow liquid |
| Status | Commercial |
| Packing | 5kg/drum or as requested |
| Application | Linagliptin Intermediate |
| Items | Specification |
|---|---|
| Appearance | Colorless to slight yellow liquid |
| Identification | NMR/LC-MS/HPLC |
| Loss on drying | ≤0.5% |
| Assay (GC) | ≥98.0% |
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Address: 1306, A Block, Dragon Times Center, 18 WanTang Road, Hangzhou, China