| Product name: | Thiamphenicol |
| Molecular Formula： | C12H15Cl2NO5S |
| Molecular Structure： |  |
| Molecular Weight： | 356.2 |
| CAS No.: | 15318-45-3 |
Description
Thiamphenicol is a fine, white or yellowish-white, crystalline powder or crystals. It is slightly soluble in water, very soluble in dimethylacetamide, freely soluble in acetonitrile and in dimethylformamide, soluble in methanol, sparingly soluble in acetone and in anhydrous ethanol, slightly soluble in ethyl acetate.
Application
Thiamphenicol is a broad-spectrum antibiotic of chloramphenicol, which has stronger effect on Gram-negative bacteria than positive bacteria.
Specification
| Appearance | Fine, white or yellowish-white, crystalline powder or crystals. |
| Acidity or alkalinity | Meets the requirements. |
| Specific optical rotation | - 21 to - 24 |
| Melting point | 163 °C - 167 °C |
| Absorbance | 266nm: 25 to 28; |
| 273 nm: 21.5 to 23.5; | |
| 224 nm: 370 to 400. | |
| Chlorides | ≤200 ppm. |
| Heavy metals | ≤10 ppm. |
| Loss on drying | ≤1.0% |
| Sulfated ash | ≤0.1% |
| Assay | 98.0% - 100.5% |
Packing and Storage
Preserve in an airtight container, protected from light.
Minimum Order
One package
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