... yellow liquid, has slight sulphur dioxide smell 1, Chemical name:Ammonium bisulphite solution2, Molecular formula: NH4HSO33, Molecular weight: 99.104, Properties ... , w/w≤0.001%6, Packing:270kg plastic drum 7, Uses: May use in the dye intermediate synthesis, surfactant,pesticide weed ... the protectant during the developing process in the photosensitive industry. Ammonium bisulphite