CAS 7439-97-6 appears in our catalog under these names: Mercury, ACS, 99.999% (metals basis) , Mercury, Electronic Grade, 99.9998% (metals basis) , Mercury, redistilled, 99.9+% , Mercury, 99.999% (metals basis) . Offered by: Thermo Scientific (Alfa Aesar). Available pack sizes: 2270g , 4540g , 227g, 454g, 100g .