we are offering Polyelectrolyte. Product Name: Polyaluminium Chloride (PAC) Molecular Formula: Al2(OH)nCl6-n Molecular Weight:174.45. CAS NO.: 1327-41-9, 101707-17-9, 11097-68-0, 114442-10-3. EINECS NO.: 215-477-2. Appearance: White, Golden Yellow, Yellowish-Brown or Red Brown pomore...