Isoconazole nitrate CAS NO.24168-96-5

item

specifications

results

appearance

white or almost white powder

complies

identification

ir:similar to standard

complies

appearance of solution

y7 the solution is clear and not more intensely coloured than reference

complies

solubility

very slightly soluble in water; solution in methanol; slightly soluble in alcohol

complies

angle of optical rotation

-0.1°~ +0°

0°

related substances (hplc)

each impurity

≤0.25%

0.16%

total impurity

≤0.5%

0.29%

residue solvents

toluene

≤890ppm

120ppm

ethanol

≤600ppm

100ppm

melting point

178~182°c

180.8~181.9°c

loss on drying

≤0.5%

0.20%

sulphated ash

≤0.1%

0.05%

assay

99~101%

99.5%

conclusion

the results conforms with ep6 sta