| PRODUCT NAME | AZITHROMYCIN DIHYDRATE | |
| Self life | 3 years | |
| TEST | SPECIFICATION | Result |
| Characteristics | White or almost white powder | white powder |
| Identification | ||
| A：Infrared Absorption spectrum | Meets the requirement | Meets the requirement |
| B: The retention time | Corresponds to standard preparation | Meets the requirement |
| Tests | ||
| pH | 9.0～11.0 | 10.4 |
| Specific rotation | -45℃～-49℃ | -47℃ |