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  1. Shanghai Fine Chemicals

    API • Vitamins • Food ingredients
    Veterinary Injection & Premix

    Florfenicol

    TESTING ITEMS
    CHARACTER WHITE OR ALMOST WHITE CRYSTALLINE POWDER
    MELTING POINT 152.0 ~ 156.0℃
    SPECIFIC OPTICAL ROTATION -16°~ -19°
    IDENTIFICATION 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.
    UV ABSORPTION MAX. AT 266NM.
    IR SPECTRA IS CONSISTENT WITH CRS.
    CHECK  
    PH 4.5 ~ 6.5
    APPEARANCE OF SOLUTION NOT MORE THAN STANDARD OF YELLOW 4 SIZE
    CHLORIDES ≤0.02%
    FLUORIDES ≥4.8%
    RELATED SUBSTANCES   INDIVIDUAL IMPORITY≤0.5%
    TOTAL IMPORITIES≤2.0%
    WATER ≤0.5%
    RESIDUE ON IGNITION ≤0.1%
    HE**Y METALS ≤20PPM
    ASSAY CONTENT OF C12H14CL2FNO4S≥98.0%
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