Description CAS#: 87-66-1 | Formula: C6H3(OH)3 | Specifications: Chloride 0.001 % Max, Heavy metals (Pb) 0.0005 % Max, Iron 0.001 % Max, Melting point (131.0-135.0 C), Residue after ignition 0.005 % Max, Sulfate 0.005 % Max