PURE SILVER LIQUID METALLIC MERCURY WITH 99.999% PURITY We have available pure Metallic Mercury with 99.99% purity. We are the highest manufacturer and exporters of Pure Metallic Mercury in Asia. Specificationspure metallic mercury of 99.99% purity. packed in 34.5 kg flasks 1. chemical formula Hg2. general molecule mass 756.61 ± 2g/mol3. Molecular Weight:200.594. chemical purity from 99.95 to 99.99 %5. isotopical purity 99.99 %6. color : silver Please do contact us for more inquiries and details concerning our product.