Hot sell Florfenicol/73231-34-2
1.Cas No.:73231-34-2
2.Color:White
3.Standard:CPV2010
Florfenicol
White or almost white crystalline powder
Complies with(NO.600) of china.
Veterinary antimicrobial drugs for sensitive bacteria
Indications:
It is a broad spectrum antibiotic, and mainly used to treat bacterial diseases caused by Sensitive bacteria such as Colibacillosis, Enteritis diarrhea, Salmonellosis, Chronic respiratory disease, Fowl cholera and pneumonia, etc.
Antibacterial mainly uses for treatment the symptoms of pericarditis, perihepatitis, salpigitis, yolk peritonitis, enteritis, airsacculitis, arthritis for mycoplasma caused by gram positive and negative bacteria which susceptible to Antibacterial.such as E.coli, salmonella, pasteurella multocida, streptococcus, haemophilus paragallinarum, mycoplasma, etc.
Usage&Dosage:
For feeding: Each bag(500g) blend with 250kg feeds; use 3-5day continuously.
For prevention the dosage in half.
| Item | Standard | Result |
| Appearance | White or almost white crystalline powder | Almost white crystalline powder |
| Melting point | 152-156°C | 154.6-155.1°C |
| Specific optical rotation | -16° to -19° | -17.5° |
| Identification | (1)The retention time of the major peak in the chromatogram of the assay preparation corresponds to that in the chromatogram of the standard preparation, as obtained in the assay. | Complies |
| (2)UV absorption Max. at 266nm. | Complies |
| (3)IR spectra is consistent with CRS. | Complies |
| PH | 4.5-6.5 | 5.7 |
| Chloride | 0.02% max | < 0.02% |
| Fluorides | 4.8%min | 4.9% |
| Related substances | Individual impurity not more than 0.5% | 0.35% |
| Total impurities not more than 2.0% | 0.76% |
| Water | 0.5% max | 0.13% |
| Residue on ignition | 0.1%max | 0.06% |
| Heavy metals | Less than or egual to 20 millionths | Less than20 millionths |
| Assay(C12H14Cl2FNO4S) | 98.0%min | 99.0% |
