Chemical Name: 5-chloro-N-(2-chloro-4-nitrophenyl)-2-hydroxybenzamide.

Formula: C13H8Cl2N2O4.

Molecular weight: 327.1.

CAS No. : 50-65-7.
Appearance : White to pale yellow powder.
Melting   Point: 230 °C.
Vapour Pressure:1 mPa at 20°C..
Stability : insoluble in water, Soluble in common organic solvents such as ethanol and diethyl ether.
Specification :98%TC.
Uses: It is a kind of mollusk killing agent by which snail can be killed.The infection medium of schistosomiasis can be disturbed by niclosamide.It is alsoused to kill the imago of cestode.