Florfenicol CAS NO.76639-94-6

Items

Standards

Results

Description

White or almost White crystalline powder

White crystalline powder

Solubilityv

Very soluble in N,N-Dimethylformamide, soluble in methanol,sparingly soluble in glacial acetic acid,very slightly soluble in chloroform,Practically insoluble in water

Complies

Melting Point

152.0℃-156.0℃

155.4℃

Optical rotation

-16°—-19°

-17.2°

Identification

(1)The relation times of the major peak of the sample solution should correspond to that of the standard solution as obtained in the assay

Complies

(2)The infrared absorption spectrum obtained from the test sample is consistent with that from reference standard

Complies

PH

4.5-6.5

6.0

Chloride

≤0.02%

<0.02%

Related substances

1)Peak area of single impurity peak should be NMT the reference solution's main peak 0.5 times(0.5%)

0.19%

2)Peak area of total impurities should be NMT the peak area of reference solution 2 times (2.0%)

0.29%

Water

≤0.5%

0.07%

Residue on Ignition

≤0.1%

0.035

Heavy Metals

≤20ppm

<20ppm

Assay

≥ 98.0%

C12H14CL2FNO4S(caculated on the anhydrous basis)

98.9%

Conclusion:

The Results comply with CVP2015