Secnidazole CAS NO.3366-95-8

description

a almost white or slightly yellowish crystalline powder

solubility

freely soluble in ethanol,chloroform,methanol,glacial acetic acid,soluble in 0.1n diluted hydrochloric acid,0.1n sodium hydroxide,sparingly soluble in water.

melting point

74~78℃

identification

a:chemical reaction:the solution to be examined gives positive chemical reactions.

b:uv(water) max 320nm,min 263nm

uv(0.1mol/hcl) max 276nm

c:infrared absorption: the spectrum obtained with the substance to be examined corresponds to that of the reference standard of secnidazole.

clarity and color of solution

the solution should be clear and colorless,if turbid,it should be not more intense than 0.5 reference turbidity solution;if coloration,it should be not more than reference solution gy3.

acidity and alkalinity

5.5~7.5

loss on drying

4.0%~6.0%

related substances(hplc)

≤ 1.0%

heavy metals

≤ 10ppm

residue on ignition

≤ 0.1%

assay

≥98.5%( on dried basis)