Hexachlorobenzene, 1000µg/ml in Toluene, 1ml Back Catalog number: 79058 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679880 Benzidine, 100 µg/ml, Acetonitrile, 1ml Price on request 79043 Azobenzene Price on request 38069 CWA Semi-Volatiles in Non-Potable Water Price on request