... to white crystals or flake, granular, needle, powder Content more than 99.5% PH 5.3-6.3 PRODUCT:1,2 ... ,3-Benzotriazole ;BTACHEMICAL FORMULA :C6H5N3ORIGIN :CHINACAS NO :95-14-7SPECIFICATION : ITEMSTANDARDAppearanceSmall yellow to white ... variety of scale inhibitor, algae fungicidal cooperates to use, especially for closed circulating cooling water ... . 20kg/bag. 25 kg/bag. 1,2,3-Benzotriazole