A compound of Mercury Mercuric Nitric Dioxide liquid (brown/blue in colour). Manufactured in U.S under patented right from GLOBAL CHEMICAL LABORATORY LTD. Highly poisonous Mercury Mercuric Nitric Dioxide liquid knowns as Mercury dioxide-brown/red/blue liquid is insoluble in water and is used in removing the anti-breeze on the face of any currency note, giving the black notes its original colors. It can turn the white negative to black before the chemical change is effected to turn into its original form. Its a packaging, this assuring of transportation and storage as they are very sensitive and require special handling. Read more about packaging here Key Specifications/Special Features: DESCRIPTION Brown liquid with a chocking effect SOLUBILITY Soluble in H2O of PH L3 PH VALUE Neutral RESIDUE AFTER REDUCTION Max 0.5% MERCUROUS SALTS Trace CHOLORIDE Max . 0.175% LOSS OF DRYING AT 105C Max 0.5% SULPHATED ASH Max 0.2% Gastrox Oxide HQ5, HQ6 and HQ7