Erythromycin thiocyanate
Appearance: White or almost white crystalline powder
PH Value: 6.0~ 7.0
Water: 6.0%
Residue on ignition: 0.5%
Microbial potency (Anhydrous): 780ug/mg
Specification:
| TEST | STANDARD | RESULT |
| Appearance | White or almost white crystalline powder | Conform |
| Identification | Conform Tests (1) (2) (3) | Positive Reaction |
| PH | 6.0-8.0 | 6.6 |
| Heavy Metals | ≤20ppm | <20ppm |
| Arsenic | ≤2ppm | <2ppm |
| Loss on drying | ≤6.0% | 4.2% |
| Residue on ignition | ≤1.0% | 0.1% |
| Assay | ≥750μ/mg | 780μ/mg |
