Complaint
| Test Items | Specification | ||||
| Appearance | A colorless or slightly yellowish,viscous hygroscopic liquid (may crystallized on storage) | ||||
| Identification | Infrared absorption (197F) | ||||
| The Sample solution: a deep blue color develops. | |||||
| The Sample solution : a purplish red color develops. | |||||
| Assay(on dried basis) | 98.0%~102.0% | ||||
| Water determination | Not more than 1.0% | ||||
| Specific optical rotation | +29.0° ~+31.5° | ||||
| Limit of aminopropanol | Not more than 1.0% | ||||
| Residue on ignition | Not more than 0.1% | ||||
| Refractive Index(20ºC) | 1.495~1.502 | ||||
| Heavy metals | ≤20ppm | ||||
