Oxfendazole

Shelf Life:

4 years

Specification:

BPV 98

Test Items

Specification

Results of Analysis

Appearance

A white or almost white powder

Almost white powder

Identification

IR Spectrum of sample complies with RS

Conforms

Dissolve sample in methanol to obtain 10ug substance per milliliter, Test according to ultraviolet spectrophotometry method, exhibits two maxima in the range 220 to 350nm

Complies

Related substances

Fenbendazole≤1.0%

0.26%

Any other secondary≤2.0%

0.84%

Loss on drying

≤0.5%

0.23%

Heavy metals

＜20ppm

Complies

Sulphated Ash

≤0.2%

0.08%

Residual solvents

Methanol≤3000ppm

1463ppm

Methyl formate≤1000ppm

181ppm

Formic acid≤5000ppm

881ppm

Assay

97.5%-100.5%

99.7%