
1. Uses: used in organic synthesis, fixative.
2. Molecular formula: C9H9N
3.Structural formula:

4.Specification, Technical standard & Packing
| Item | Index | |
| Refined | Coarse | |
| Appearance | light yellow flaky crystal | light gray or brown crystal |
| Assay | ≥ 99% | ≥ 95% |
| Packing | drum 25kg/drum | bag 25kg/bag |